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ASCENDIXBILLING SOLUTIONS Free RCM assessment

30 specialties. From primary care to the operating room.

We work with small, large and multi-specialty practices: PCPs, nurse practitioners, surgeons and assistant surgeons, surgical centers, ambulatory surgery centers and emergency care centers. Each specialty has its own codes, modifiers, authorizations and denial patterns, and we build our workflow around yours.

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Primary careSurgicalBehavioralDiagnostic

Primary care & core medicine

Family Medicine

Patients of every age, so preventive, sick and procedure visits often land on one day.

Where we focusPreventive vs. problem E/M with modifier 25, vaccine administration, chronic care management

Primary care & core medicine

Internal Medicine

Adult primary care with complex, chronic conditions.

Where we focusE/M leveling by medical decision-making, TCM and CCM, Annual Wellness Visits

Primary care & core medicine

Pediatrics

Infants, children and adolescents, with heavy preventive volume.

Where we focusWell-child visits, VFC vaccine administration, developmental and behavioral screenings

Primary care & core medicine

Geriatric Medicine

Medicare-heavy panels with growing demand.

Where we focusAnnual Wellness Visits, advance care planning, CCM and Medicare Advantage risk documentation

Primary care & core medicine

Hospitalist Medicine

Inpatient and observation care for admitted patients.

Where we focusInitial, subsequent and discharge E/M, observation rules, split/shared visits

Surgical specialties

General Surgery

The foundational surgical discipline.

Where we focusGlobal periods, modifiers 58, 78 and 79, assistant-at-surgery billing

Surgical specialties

Orthopedic Surgery

Joint replacement, sports injury and spine.

Where we focusGlobal packages, DME, high PIP and workers' comp mix, implant billing

Surgical specialties

Neurosurgery

Complex brain, nerve and spinal procedures.

Where we focusMulti-level spine coding, prior auth, high-dollar out-of-network and IDR claims

Surgical specialties

Cardiothoracic Surgery

Heart and lung surgery for an ageing population.

Where we focusCo-surgeon modifier 62, high-value procedures, intra-operative services

Surgical specialties

Vascular Surgery

Arteries and veins, open and endovascular.

Where we focusEndovascular coding, supervision and interpretation, office-based lab billing

Surgical specialties

Plastic & Reconstructive Surgery

Elective aesthetics and post-trauma reconstruction.

Where we focusCosmetic vs. reconstructive medical necessity, prior auth, out-of-network billing

Surgical specialties

Otolaryngology (ENT)

Ear, nose and throat surgery and in-office procedures.

Where we focusEndoscopies, in-office procedures, allergy testing and immunotherapy

Surgical specialties

Urology

Urinary tract and male reproductive surgery.

Where we focusIn-office procedures, drug administration, imaging components

Surgical specialties

Ophthalmology

Cataract, retina and age-related eye care.

Where we focusCataract global periods, bilateral and eye modifiers, injectable drug J-codes

Surgical specialties

Colon & Rectal Surgery

Lower gastrointestinal surgery.

Where we focusScreening-to-diagnostic conversions, modifiers PT and 33, global periods

Surgical specialties

Pediatric Surgery

Surgery for children and neonates.

Where we focusAge-specific codes, neonatal weight-based codes, Medicaid billing

Medical & behavioral specialties

Psychiatry & Behavioral Health

One of the fastest-growing specialties.

Where we focusPsychotherapy add-ons with E/M, time-based codes, telehealth, behavioral carve-outs

Medical & behavioral specialties

Neurology

High demand driven by dementia and Alzheimer's.

Where we focusEEG, EMG and nerve conduction, chemodenervation, prior auth

Medical & behavioral specialties

Cardiology

Heart disease remains a leading health challenge.

Where we focusProfessional/technical splits (26/TC), device checks, cath lab coding

Medical & behavioral specialties

Obstetrics & Gynecology

Women's health, surgery and delivery.

Where we focusGlobal obstetric packages, split billing for transfers of care

Medical & behavioral specialties

Dermatology

Procedure-heavy and in high demand.

Where we focusLesion excision size coding, Mohs surgery, pathology coordination

Medical & behavioral specialties

Gastroenterology

Screening and digestive health.

Where we focusScreening vs. diagnostic colonoscopy, anesthesia, ASC billing

Medical & behavioral specialties

Hematology / Oncology

Cancer care with expanding pipelines.

Where we focusDrug administration hierarchy, J-codes, units and NDC reporting

Medical & behavioral specialties

Emergency Medicine

Frontline care with heavy out-of-network exposure.

Where we focusHigh volume E/M, critical care, and the No Surprises Act and IDR on OON claims

Medical & behavioral specialties

Pulmonology / Critical Care

Advanced lung disease and intensive care.

Where we focusCritical care time, pulmonary function tests, sleep studies

Medical & behavioral specialties

Endocrinology

Diabetes, thyroid and metabolic disease.

Where we focusContinuous glucose monitoring, chronic care management, DSMT

Medical & behavioral specialties

Rheumatology

Chronic autoimmune disease.

Where we focusInfusion billing, biologic prior authorization, drug units

Medical & behavioral specialties

Infectious Disease

Hospital infections and complex immunology.

Where we focusInpatient consults, infusion, prolonged services

Diagnostic & supportive specialties

Radiology

Imaging demand growing fast.

Where we focusProfessional/technical split, facility-based NSA rules and IDR exposure

Diagnostic & supportive specialties

Pathology

Lab diagnostics behind most medical decisions.

Where we focusSpecimen and panel coding, molecular codes, facility-based NSA rules

Specialty-aware coding

Coders who know your specialty's code families, modifiers and documentation requirements.

Specialty denial patterns

We track the denials your specialty attracts and fix the cause, not just the claim.

Multi-specialty groups

One team across every department, with reporting broken down by provider and specialty.

Don't see your specialty?

We likely work with it already. Ask, and we will tell you honestly.