Telehealth Specialty Services Network

Telehealth has quietly reorganized the map of who can see which specialist and when. This provider network covers the major clinical specialty areas now delivered via telehealth — how each one is structured, what the visit actually looks like, and where the real limits are. The scope is national, grounded in how payers, regulators, and clinical bodies have defined each service category, not how marketing materials describe them.

Definition and scope

A telehealth specialty service is a clinical encounter in a defined medical discipline — cardiology, dermatology, psychiatry, and others — delivered at a distance using synchronous video, asynchronous image or data transmission, or continuous remote monitoring. The distinction matters because "telehealth" as a broad term covers everything from a quick medication refill chat to a cardiologist interpreting a 14-day ambulatory ECG transmitted from a rural hospital.

The Centers for Medicare & Medicaid Services (CMS) recognizes specialty telehealth services through a formal list of covered codes, updated annually in the Physician Fee Schedule. As of the 2024 rule, CMS covers more than 250 services via telehealth — a number that expanded dramatically from roughly 100 pre-pandemic. The specialties with the deepest CMS coverage include mental health, neurology, cardiology, endocrinology, and dermatology.

Not every specialty translates equally well to a screen. The practical scope of telehealth specialty care is shaped by three factors: whether the discipline relies on physical examination findings, whether its diagnostic tools generate transmissible data, and whether state licensure rules permit the specialist to practice across state lines.

How it works

Specialty telehealth visits run through three distinct delivery models, and understanding which one applies to a given specialty changes everything about how to prepare for it.

1. Synchronous video consultation — Patient and specialist connect in real time via a HIPAA-compliant video platform. This is the model most people picture. It works well for psychiatry, neurology, endocrinology, and follow-up cardiology visits where lab values and imaging already exist in the chart.

2. Store-and-forward — Clinical data (images, pathology slides, ECG tracings, photographs) is captured by a referring provider and transmitted to a specialist who reviews it asynchronously. Dermatology and radiology lean heavily on this model. A primary care clinician photographs a suspicious lesion, uploads it with patient history, and a dermatologist reads it within 24 to 48 hours — no patient-facing video required. The store-and-forward telehealth page covers the technical and billing specifics of this pathway in detail.

3. Remote patient monitoring (RPM) — Patients transmit physiological data continuously or periodically from home using connected devices. Blood pressure cuffs, continuous glucose monitors, and cardiac event monitors feed data to a clinical team that flags anomalies. Cardiology and chronic disease management programs use RPM to track between office visits rather than replace them.

Billing routes through specialty-specific CPT codes under CMS's telehealth framework, though reimbursement rates vary by payer and state mandate. Private insurers follow their own coverage schedules, which do not always mirror CMS policy.

Common scenarios

The specialty areas with the highest documented telehealth utilization — based on CMS claims data and FAIR Health commercial claims analysis — fall into five categories:

• Mental health and psychiatry: The largest single category of telehealth utilization. Mental health visits accounted for 63% of all telehealth visits in FAIR Health's 2023 analysis of commercial claims. Medication management, therapy, and crisis triage all operate effectively via video. The mental health telehealth section covers prescribing rules for controlled substances specifically.

• Dermatology: Store-and-forward dermatology has operated at scale since before 2010, particularly for rural and underserved populations. A referring clinician captures standardized photographs using defined dermoscopy protocols; the specialist reviews and returns a documented assessment.

• Cardiology: Combines synchronous consultation for post-hospitalization follow-up with RPM for heart failure and arrhythmia management. Telehealth for cardiology details the device landscape and CMS billing pathways for cardiac RPM.

• Pediatrics: Children's hospitals have used asynchronous pediatric subspecialty consultation — pediatric neurology, genetics, rheumatology — to extend scarce specialists to community hospitals since the late 2000s. Telehealth for pediatrics addresses consent rules and platform considerations specific to minor patients.

• Primary care with specialist co-management: Not a single specialty but a structural pattern — a primary care provider managing a complex patient with real-time specialist backup via electronic consultation (eConsult) or co-visit. This model has shown particular uptake in endocrinology and nephrology.

Decision boundaries

The honest answer to "can this specialty be done via telehealth?" is: it depends on whether the diagnosis requires findings that cannot be transmitted. A dermatologist can assess skin texture in a photograph taken with a standardized protocol. A cardiologist cannot feel for hepatomegaly via video.

Three decision filters apply across all specialties:

Physical examination dependency — Disciplines where diagnosis turns on auscultation, palpation, or procedural findings (orthopedic surgery, interventional procedures) have hard limits that technology has not resolved, regardless of platform quality.

Data transmissibility — Specialties that generate structured, transmissible data (ECGs, images, lab values, glucose logs) adapt more readily. Remote patient monitoring has extended this capability significantly for chronic conditions.

Regulatory and licensure position — A specialist licensed in New York cannot see a patient physically located in Florida without meeting Florida's licensure requirements, absent an interstate compact membership or emergency waiver. The telehealth policy and regulation section documents where those compact agreements currently stand and which specialties are most affected by cross-state restrictions.

The contrast between dermatology and orthopedic surgery is instructive: dermatology moved almost entirely to asynchronous telehealth for routine consults because its primary data type — visual — is photographable at clinical grade. Orthopedic evaluation still requires hands on the joint. Technology does not change anatomy.