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Specialty-Precise Medical Billing Services Across 75 Specialties

Specialty Medical Billing Services Built Around Certified Coders and Specialty-Aligned Teams

Generic billing companies treat your specialty like every other specialty. We don’t. We’re One O Seven RCM, a specialty-precise medical billing operation with AAPC and AHIMA-credentialed coders matched to your discipline. Every specialty has unique modifier conventions, payer rules, and audit risk profiles. Cardiology doesn’t bill like dermatology. Orthopedics doesn’t bill like behavioral health. Our specialty-aligned teams handle the coding nuances generic billers miss across every payer mix.

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75 Specialties Covered

Precision Billing for Every Medical Specialty

Each specialty has unique coding challenges, payer rules, and compliance requirements. Hover any card to see how our certified coders deliver discipline-specific operational depth that generic billing companies consistently miss across every payer mix.

Family Medicine

E/M leveling under 2021 guidelines, CCM and TCM revenue capture, plus preventive-vs-problem visit coding for primary care optimization.

Internal Medicine

MDM-based E/M leveling, chronic care management codes, TCM capture, and accurate HCC risk-adjustment coding for Medicare Advantage.

General Practice

Visit-level optimization, missed ancillary charge recovery, and coding workflows for every patient interaction across the visit spectrum.

Pediatrics

Well-child visits, vaccine administration fees, screening questionnaires, and Medicaid EPSDT maximum-rate billing for pediatric panels.

Geriatrics

AWV billing, cognitive assessment codes, care-plan oversight, and HCC risk-adjustment accuracy for Medicare panels and complex elderly populations.

Primary Care

E/M optimization, CCM and AWV revenue streams, and correct in-office procedure billing to recover lost primary care revenue.

General Surgery

Multi-procedure discounting, global surgical packages, and assistant-surgeon modifiers with correct CPT sequencing for surgical encounters.

Orthopedic Surgery

Joint replacements, arthroscopy, implant coding, laterality modifiers, and CCI edit compliance for fracture care and orthopedics.

Cardiovascular Surgery

Surgical coding, co-surgeon modifiers, and global-period management for bypass, valve replacement, and vascular repair procedures.

Thoracic Surgery

VATS procedures, lung resections, co-surgeon modifiers, and separately reportable service capture for thoracic surgical encounters.

Vascular Surgery

Endovascular interventions, per-vessel catheter codes, selective-vs-non-selective hierarchies, and multi-vessel billing for vascular procedures.

Plastic Surgery

Reconstructive-vs-cosmetic distinction, medical necessity for breast reconstruction, and skin graft coding for plastic surgery practices.

Neurosurgery

Cranial procedure coding, spinal instrumentation billing, multi-level fusion sequencing, and co-surgeon modifiers for neurosurgical operations.

Bariatric Surgery

Prior authorization workflows, BMI documentation, comorbidity coding, and medical necessity standards bariatric procedures demand for clean claims.

Oral & Maxillofacial Surgery

Dual medical-dental billing, TMJ surgery, orthognathic coding, and trauma reconstruction crossover claims across payer types.

Colorectal Surgery

Endoscopic procedure coding, screening-vs-diagnostic conversions, polypectomy billing, and bundling rules colorectal surgery practices depend on.

Cardiology

Echocardiograms, catheterizations, and stress tests with correct component-vs-global billing to prevent unbundling denials systematically.

Dermatology

Mohs surgery, biopsies, and phototherapy coding. Lesion-count sequencing, pathology modifiers, and cosmetic-vs-medical distinction for dermatology.

Endocrinology

Chronic disease management for diabetes and thyroid disorders. CGM coding, insulin pump management, and complex evaluations.

Gastroenterology

Colonoscopy, EGD, and motility study coding. Screening-vs-diagnostic conversions and polypectomy code accuracy.

Hematology

Chemo administration codes, blood product billing, and bone marrow biopsy claims with complex payer authorization.

Hepatology

Liver biopsy coding, hepatitis treatment monitoring, transplant evaluations, and specialty antiviral drug billing for hepatology.

Infectious Disease

Consultation-level coding for ID consults, antibiotic stewardship, and OPAT management with prolonged service capture for ID.

Nephrology

Monthly capitated dialysis billing, transplant coding, vascular access codes, and Medicare ESRD bundled payments.

Neurology

EEG monitoring, EMG/NCV studies, and TC/PC split billing for botulinum toxin and epilepsy monitoring claims.

OB/GYN

Global obstetric packages, antepartum tracking, delivery-method coding, and high-risk pregnancy modifiers for OB/GYN.

Oncology

Chemotherapy administration, immunotherapy J-codes, infusion hierarchies, and concurrent hydration billing for oncology practices.

Pulmonology

PFT interpretation, bronchoscopy coding with biopsy/lavage, spirometry, and DLCO/lung volume capture for pulmonology.

Rheumatology

Biologic infusion buy-and-bill, joint injection hierarchies, and step-therapy prior auth requirement tracking for rheumatology.

Urology

Cystoscopy, prostate biopsy, urodynamics, and lithotripsy with in-office vs facility distinction for urology billing.

Allergy & Immunology

Multi-step testing codes, serum preparation billing, and prior auth workflows for skin-prick panels to biologic infusions.

Sleep Medicine

In-lab PSG, home sleep testing, CPAP titration, MSLT/MWT add-ons, and DME CPAP supply claims.

Pain Management

Epidural injections, nerve blocks, fluoroscopic guidance codes, and spinal-level add-on coding for pain management facet joints.

Hospice & Palliative

Hospice election period tracking, palliative care coding, and per-diem reimbursement for hospice and palliative operations.

Acupuncture

Payer-specific coverage limits, correct CPT codes for needle insertion, and electrical stimulation billing for acupuncture clinics.

Physical Therapy

8-minute rule compliance, maximum billable unit capture, and Medicare KX modifier threshold tracking for physical therapy.

Occupational Therapy

Timed-vs-untimed codes, 8-minute rule compliance, and Medicare therapy cap tracking for maximum unit billing per session.

Speech-Language Pathology

Dysphagia treatment, cognitive-communication therapy, Medicare cap tracking, and FEES/MBSS imaging codes for SLP practices.

Chiropractic

AT modifier compliance, Medicare visit cap tracking, and manipulation codes that withstand payer scrutiny and audits.

Physiotherapy

Manual therapy, therapeutic exercise, and neuromuscular re-education with maximum timed-code unit stacking for physiotherapy.

Physical Medicine & Rehab

EMG/NCV with TC/PC coding, injection therapies with guidance codes, and rehabilitation reimbursement maximization for PM&R.

Osteopathic Medicine

Body-region OMT coding (98925-98929), modifier-25 application, and audit-proof medical necessity documentation for osteopathic care.

Radiology

CT, MRI, ultrasound TC/PC split billing, contrast code selection, and IR supervision level accuracy for radiology.

Pathology

Surgical pathology tiers, special stains, IHC, molecular diagnostics, and consultative complexity billing for pathology.

Laboratory

CLIA-compliant coding, panel-vs-individual test distinction, NCD adherence, and ABN workflow management for laboratory billing.

Toxicology

Presumptive and definitive drug testing codes, drug-class billing, and Medicare MNR compliance requirements for toxicology.

Diagnostic Radiology

Modality-specific TC/PC billing, contrast code accuracy, and ordering provider documentation for diagnostic radiology operations.

Interventional Radiology

Catheter selection hierarchies, vascular intervention coding, and supervision level accuracy for interventional radiology procedures.

Behavioral Health

Session-based therapy billing, psychological testing codes, and crisis-intervention claims with pre-auth and payer session limit tracking.

Mental Health

Time-based psychotherapy codes, session limit tracking, OON billing, and telehealth POS coding for mental health practices.

Psychiatry

E/M-with-psychotherapy add-on pairing, med management coding, and payer session limitation tracking for psychiatric practices.

Substance Use & Addiction

Substance use disorder treatment coding, parity rule compliance, and authorization tracking for addiction recovery and SUD facilities.

Counseling Services

Therapy session coding, session limit tracking, sliding scale documentation, and payer-specific behavioral health billing for counseling.

Emergency Medicine

High-volume acuity-based E/M leveling and critical-care time documentation for trauma activations and ED procedures.

Hospitalists

Admission-day E/M, daily rounding codes, discharge billing, and critical care time capture for inpatient hospitalist services.

Anesthesia

Time-unit precision, physical-status modifiers, and concurrency rules. ASA-trained coders handle base units and qualifying add-ons.

Neonatology

NICU daily care codes by birth weight and acuity. Initial, subsequent intensive care, and attendance-at-delivery billing.

Traumatology

Trauma activation fees, critical-care documentation, multi-system injury coding, and polytrauma claim capture for trauma centers.

Critical Care

Critical care time documentation, ICU daily care codes, and procedure billing for intensive care units.

ENT / Otolaryngology

Sinus surgery, audiometry, and allergy services. Endoscopic bundling, bilateral modifiers, and hearing evaluation coding for ENT.

Ophthalmology

Cataract surgery, intravitreal injections, IOL codes, and retinal imaging with ASC-vs-hospital billing for ophthalmology practices.

Optometry

Vision plan vs medical insurance routing, refraction modifiers, and medical eye exam distinction from routine visits.

Podiatry

Medicare routine foot care compliance, Q modifiers for diabetic exams, and per-nail debridement coding for podiatry.

Wound Care

Debridement depth coding, NPWT billing, skin substitute Q-codes, and wound measurement documentation for wound care.

Vein Center

Varicose vein ablation, sclerotherapy session tracking, and venous insufficiency documentation support for vein center billing.

Dentistry

CDT and CPT fluency for oral surgery crossover claims with medical-dental cross-coding and predetermination workflows for dental practices.

Sports Medicine

Sports injury coding, workers compensation billing, joint injection coding, and personal injury claims for sports medicine practices.

Urgent Care

High-volume rapid charge capture, walk-in complexity coding, and laceration/splint/POC test billing for urgent care.

DME Billing

HCPCS-level precision, CMN documentation, and Medicare competitive bidding. Rental-vs-purchase and capped-rental tracking for DME suppliers.

Prostheses & Orthotics

L-code complexity, K-level justification, prior auth timelines, and custom-fabrication billing precision for P&O suppliers.

NEMT

Origin-destination coding, mileage documentation, Medicaid claim formats, and wheelchair van prior authorization for NEMT providers.

Telemedicine

Correct POS codes (02 vs 10), GT and 95 modifiers, and parity-rate reimbursement for virtual visits.

Home Health

OASIS-E documentation, PDGM episode optimization, LUPA threshold tracking, and Medicare home health billing for HHA practices.

ABA Therapy

ABA therapy CPT coding, authorization tracking, session limit compliance, and behavioral health parity billing for ABA providers.

Concierge Medicine

Patient retainer tracking, optional insurance billing for covered services, and Medicare opt-out compliance for concierge medical practices.

Family Practice Medical Billing

E/M leveling under 2021 guidelines, CCM and TCM revenue capture, preventive-vs-problem visit coding for family practice optimization.

Internal Medicine Medical Billing

MDM-based E/M leveling, chronic care management codes, TCM capture, accurate HCC risk-adjustment coding for Medicare Advantage panels.

Pediatric Medical Billing

Vaccine administration coding (90460, 90471), well-child visits, developmental screening, Medicaid EPSDT maximum-rate billing for pediatric practices.

Geriatrics Medical Billing

AWV billing, cognitive assessment codes, care-plan oversight, HCC risk-adjustment accuracy for Medicare panels and elderly populations.

General Practice Medical Billing

Comprehensive E/M coding, preventive care billing, chronic disease management, integrated patient care billing across general practice operations.

Concierge Medicine Medical Billing

Membership fee billing, hybrid insurance-direct pay models, executive physical billing, concierge care coding for premium primary care.

Direct Primary Care Medical Billing

Subscription model billing, monthly retainer management, employer DPC contracts, point-of-care billing for direct primary care practices.

General Surgery Medical Billing

Global surgical package coding, multi-procedure modifier sequencing, post-op care bundling, surgical assist billing for general surgery practices.

Orthopedic Surgery Medical Billing

Multi-procedure modifier application, joint replacement coding, fracture care billing, DME integration, workers compensation documentation for orthopedic surgery practices.

Neurosurgery Medical Billing

Spinal procedure coding, craniotomy billing, complex modifier sequencing, neurosurgery global period tracking for neurosurgical practice optimization.

Plastic Surgery Medical Billing

Cosmetic-vs-reconstructive distinction, insurance-vs-cash billing flow, preauthorization for reconstructive procedures, dual billing for plastic surgery practices.

Cardiothoracic Surgery Medical Billing

CABG coding, valve replacement billing, complex bundling rules, surgical assistant coding for cardiothoracic surgical practices and operations.

Vascular Surgery Medical Billing

Endovascular procedure coding, vascular ultrasound guidance, complex modifier sequencing, IR-overlap billing for vascular surgery operations.

Bariatric Surgery Medical Billing

Weight loss surgery coding, preauthorization documentation, Center of Excellence reporting, follow-up visit bundling for bariatric surgery practices.

Colorectal Surgery Medical Billing

Colonoscopy coding, screening-vs-diagnostic billing, polypectomy code accuracy, anal/rectal surgery coding for colorectal surgical practices.

Pediatric Surgery Medical Billing

Pediatric-specific procedure coding, age-based modifiers, anesthesia coordination, complex multi-stage surgery billing for pediatric surgery practices.

Oral Surgery Medical Billing

Dual medical-dental billing, TMJ surgery coding, orthognathic procedures, trauma reconstruction crossover claims for oral surgery practices.

ENT Surgery Medical Billing

Endoscopic procedure coding, sinus surgery billing, audiology coordination, ENT-specific modifier expertise for otolaryngology surgical practices.

Urology Surgery Medical Billing

Cystoscopy coding, prostate biopsy billing, urodynamics, lithotripsy with in-office vs facility distinction for urology surgical operations.

Cardiology Medical Billing

Modifier 26 and TC split billing, NCCI edit review, bundled vs unbundled validation, prior auth for high-cost imaging.

Oncology Medical Billing

Chemotherapy administration, immunotherapy J-codes, infusion hierarchies, concurrent hydration billing for oncology practices nationwide.

Gastroenterology Medical Billing

Colonoscopy coding, EGD billing, motility studies, screening-vs-diagnostic conversions, polypectomy code accuracy for gastroenterology practices.

Endocrinology Medical Billing

Diabetes management coding, thyroid disorder billing, hormone replacement therapy, complex chronic disease management for endocrinology practices.

Rheumatology Medical Billing

Infusion therapy coding, J-code accuracy for biologics, prior authorization mastery, autoimmune disease management for rheumatology practices.

Pulmonology Medical Billing

Pulmonary function test coding, sleep study billing, bronchoscopy procedures, ventilator management for pulmonology and respiratory specialty practices.

Nephrology Medical Billing

Dialysis billing, ESRD bundled payment management, transplant coordination coding, nephrology-specific modifier expertise for kidney specialty practices.

Hematology Medical Billing

Infusion therapy coding, blood transfusion billing, hematologic malignancy coding, hematology consult billing for blood disorder practices.

Infectious Disease Medical Billing

HIV/Hep C management billing, antibiotic infusion coding, telemedicine consultation, ID specialty consultation billing for infectious disease practices.

Immunology Medical Billing

Allergy testing coding, immunotherapy injection billing, biologic infusion management, complex immunology consultation for allergy and immunology practices.

Hepatology Medical Billing

Liver disease management billing, viral hepatitis coding, liver transplant coordination, complex chronic care for hepatology specialty practices.

Dermatology Medical Billing

Mohs surgery coding, biopsy billing, phototherapy codes, lesion-count sequencing, pathology modifiers, cosmetic-vs-medical distinction for dermatology practices.

Allergy Medical Billing

Allergy testing coding, immunotherapy injection billing, environmental allergy management, allergen serum billing for allergy specialty practices.

Pain Management Medical Billing

Prior auth submission and tracking, fluoroscopic guidance code application, spinal-level add-on coding, CO-50 and CO-197 denial appeals.

OB/GYN Medical Billing

Global obstetric package coding, antepartum visit tracking, high-risk pregnancy modifiers, postpartum care bundling for OB/GYN practices.

Gynecology Medical Billing

GYN procedure coding, reproductive health billing, infertility treatment coding, hormonal management billing for gynecology specialty practices.

Urology Medical Billing

Cystoscopy coding, prostate biopsy billing, urodynamics, lithotripsy with in-office vs facility distinction for urology billing.

Neurology Medical Billing

EEG monitoring, EMG/NCV studies, TC/PC split billing for botulinum toxin and epilepsy monitoring claims for neurology.

Ophthalmology Medical Billing

Cataract surgery, intravitreal injections, IOL codes, retinal imaging billing with ASC vs hospital distinction for ophthalmology.

Optometry Medical Billing

Vision plan vs medical insurance routing, refraction modifiers, medical eye exam distinction from routine visits for optometry.

Podiatry Medical Billing

Medicare routine foot care compliance, Q modifiers for diabetic exams, per-nail debridement coding for podiatry practices.

Sleep Medicine Medical Billing

Polysomnography coding, sleep study billing, CPAP management, multi-night study coordination for sleep medicine specialty practices.

Physical Therapy Medical Billing

8-minute rule compliance, maximum billable unit capture, Medicare KX modifier threshold tracking for physical therapy practices.

Occupational Therapy Medical Billing

Therapy code accuracy, ADL training documentation, work conditioning coding, OT-specific timed-code rules for occupational therapy practices.

Speech Therapy Medical Billing

Speech evaluation coding, swallowing therapy billing, dysphagia management, AAC device billing for speech-language pathology practices.

Chiropractic Medical Billing

AT modifier compliance, Medicare 12-visit cap tracking, CMT coding (98940-98942), CMS audit defense for chiropractic practices

Sports Medicine Medical Billing

Athletic injury coding, sports physical billing, return-to-play documentation, athletic training coordination for sports medicine practices.

Rehabilitation Medical Billing

EMG/NCV with TC/PC coding, injection therapies with guidance codes, rehabilitation reimbursement maximization for PM&R practices.

Cardiac Rehab Medical Billing

Cardiac rehab session coding, exercise stress test billing, intensive cardiac rehab tracking for cardiac rehabilitation programs.

Pulmonary Rehab Medical Billing

Pulmonary rehab session coding, exercise tolerance testing, oxygen titration billing, pulmonary rehabilitation program documentation requirements.

Radiology Medical Billing

CT, MRI, ultrasound TC/PC split billing, contrast code selection, IR supervision level accuracy for radiology practices.

Pathology Medical Billing

Surgical pathology coding, cytology billing, molecular pathology codes, anatomic pathology TC/PC split for pathology lab operations.

Laboratory Medical Billing

CLIA-compliant lab coding, panel billing accuracy, molecular test billing, complex lab result reporting for laboratory operations.

Interventional Radiology Medical Billing

IR procedure coding, vascular intervention billing, radiology guidance codes, complex modifier sequencing for interventional radiology practices.

Nuclear Medicine Medical Billing

Radiopharmaceutical coding, PET scan billing, nuclear cardiology, isotope-specific code application for nuclear medicine specialty practices.

Diagnostic Imaging Medical Billing

X-ray, ultrasound, fluoroscopy coding, mobile imaging billing, diagnostic imaging facility billing for imaging center operations.

Mammography Medical Billing

Screening vs diagnostic mammogram coding, BI-RADS reporting, breast imaging modifier accuracy for mammography centers and operations.

Psychiatry Medical Billing

E/M with psychotherapy add-on pairing, medication management coding, payer session limitation tracking for psychiatry.

Behavioral Health Medical Billing

Session-type coding (90791, 90834, 90837, 90847), telehealth POS validation, authorization tracking, parity rule appeal drafting for behavioral health.

Psychology Medical Billing

Psychological testing coding, assessment battery billing, evaluation session coding, complex psychology practice billing for psychological practices.

Counseling Medical Billing

LPC and LCSW billing, therapy session coding, sliding-scale documentation, telehealth counseling billing for counseling practice operations.

Addiction Medicine Medical Billing

Substance use disorder coding, MAT billing, group therapy session billing, residential treatment coding for addiction medicine programs.

Applied Behavior Analysis Medical Billing

ABA therapy coding, autism services billing, BCBA documentation requirements, complex prior authorization for applied behavior analysis programs.

Hospitalist Medical Billing

Inpatient E/M coding, observation billing, transitional care management, hospital-based medicine documentation for hospitalist physician group operations.

Emergency Medicine Medical Billing

ED E/M leveling, observation billing, critical care coding, EMTALA compliance documentation for emergency medicine physician groups.

Critical Care Medical Billing

Critical care time-based coding (99291, 99292), ICU billing, ventilator management coding for critical care medicine practices.

Trauma Surgery Medical Billing

Trauma activation coding, emergency surgical billing, multi-system injury coding, complex trauma documentation for trauma surgery practices.

Neonatology Medical Billing

NICU billing, daily attendance coding, premature infant care billing, complex neonatal documentation for neonatology specialty practices.

Pediatric Hospital Medicine Medical Billing

Pediatric inpatient E/M coding, age-specific modifiers, pediatric critical care, NICU coordination for pediatric hospital medicine programs.

Hospice and Palliative Medicine Medical Billing

Hospice election period tracking, palliative care coding, per-diem reimbursement, end-of-life documentation for hospice physician operations.

Anesthesiology Medical Billing

Time-unit precision, physical-status modifiers, concurrency rules, ASA-trained coders handling base units and qualifying add-on codes consistently.

Home Health Medical Billing

OASIS-E documentation, PDGM episode optimization, LUPA threshold tracking, Medicare home health billing for HHA practices.

Hospice Medical Billing

Hospice election period tracking, palliative care coding, per-diem reimbursement tracking for hospice and palliative operations.

Telehealth Medical Billing

Correct POS codes (02 vs 10), GT and 95 modifiers, parity-rate reimbursement for virtual visits and telehealth.

Urgent Care Medical Billing

High-volume rapid charge capture, walk-in complexity coding, laceration/splint billing, POC test billing for urgent care
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