Telemedicine Business Models & Market Sizing

The telemedicine market is large, but most of the money flows through channels that direct-to-consumer startups are not positioned to access.

13 min read

Telemedicine is the delivery of clinical services through electronic communication — video, phone, asynchronous messaging, or remote monitoring — rather than in-person encounter. The category has existed since the 1990s, but COVID-19 compressed a decade of adoption into roughly eighteen months by triggering regulatory waivers, reimbursement parity rules, and forced behavioral change simultaneously. What emerged was not a single market but a cluster of distinct business models with different customers, revenue mechanics, and structural constraints that get conflated constantly in investor pitches and founder strategy decks.

The direct-to-consumer model sells clinical services directly to patients, typically for conditions where patients self-identify, self-pay, and seek convenience over insurance navigation. Companies like Hims & Hers, Ro, and Done built large top lines in this segment by combining subscription economics with lightweight asynchronous clinical protocols. The core vulnerability is that DTC health is a marketing-intensive business: customer acquisition costs are high, retention depends on clinical outcomes that are hard to control, and the conditions with the highest willingness to pay — men's health, weight loss, mental health — attract intense competition and regulatory scrutiny in roughly equal measure.

The B2B employer benefits model sells virtual care access to employers as a benefit offering for their workforce. Employers pay a per-employee-per-month fee, often called a PEPM, for access to virtual primary care, mental health services, or chronic condition management. Teladoc, Included Health, and Spring Health built significant businesses here. The structural advantage is that employers are sophisticated, price-tolerant buyers who value utilization reporting and outcomes data — and they sit upstream of millions of covered lives. The structural challenge is a long sales cycle, high implementation complexity, and brutal renewal dynamics when measurable outcomes are unclear.

The health system partnership model embeds virtual care capacity within existing health systems, enabling them to extend clinical reach without proportional staffing increases. This model generates revenue through licensing fees, shared savings arrangements, or fee-for-service billing routed through the health system's existing payer contracts. It is slower to close and harder to scale than DTC, but it benefits from the health system's existing patient relationships, credentialed provider networks, and billing infrastructure. The risk is deep dependency on a single institutional partner whose strategic priorities can shift without notice.

Value-based care arrangements — where a provider or technology vendor is paid based on outcomes or cost reduction rather than volume of services — represent the most structurally attractive model in digital health but the hardest to execute. A company that can demonstrate it reduces hospitalizations for diabetic patients, for example, can negotiate capitated contracts — fixed payments per patient per month — with payers rather than billing fee for service. This model requires robust clinical protocols, outcomes tracking infrastructure, and a patient panel large enough to generate statistically meaningful results. Most early-stage digital health companies are not ready for it, but every serious investor will ask when you plan to get there.

Market sizing in digital health requires more precision than citing the total U.S. healthcare spend. The serviceable addressable market for a virtual mental health company is not the $4.5 trillion U.S. healthcare system — it is the subset of mental health encounters that can be delivered via synchronous video under applicable state licensure, for conditions within the company's clinical scope, for patients covered by payers that have active reimbursement policies for those CPT codes at that point of care. Founders who model their market at this level of specificity are invariably in a stronger position to explain why their revenue projections are achievable and where the actual growth constraints live.

In digital health, the entity that uses the product is almost never the entity that pays for it. Designing for the wrong one is how most business models fail.

This lesson is coming soon.

TERMS

Asynchronous telemedicine — sometimes called store-and-forward — is the transmission of clinical information between patient and provider without real-time interaction, such as a patient submitting a photo and questionnaire that a clinician reviews later. It is faster and cheaper to deliver than synchronous video visits because it eliminates scheduling friction. Reimbursement for asynchronous models varies significantly by state and payer, making it a regulatory variable, not just a clinical design choice.

PEPM is the pricing unit for employer-purchased health benefit products, representing the flat monthly fee an employer pays per covered employee regardless of whether the employee uses the service. It creates predictable recurring revenue for vendors but creates utilization risk — a low-utilization product looks expensive to the employer at renewal. PEPM-based contracts require vendors to actively drive adoption, not just deliver access.

Fee-for-service is a payment model in which a provider or vendor is paid a defined amount for each discrete service delivered, typically mapped to a standardized billing code called a CPT code. It is the dominant payment model in U.S. healthcare and the baseline most digital health companies bill against. Its structural weakness is that it rewards volume over outcomes, which creates misaligned incentives when the goal is keeping patients healthy and out of expensive care settings.

Capitation is a payment model in which a provider receives a fixed amount per patient per period — monthly or annually — regardless of how many services that patient actually uses. It transfers utilization risk from the payer to the provider, which creates strong incentives to invest in preventive care and care coordination. Digital health companies pursuing capitated contracts must have both the clinical infrastructure and the financial reserves to absorb periods where their patient panel is more expensive than anticipated.

Value-based care is a payment and delivery philosophy in which reimbursement is tied to clinical outcomes or cost efficiency rather than service volume. It encompasses arrangements ranging from pay-for-performance bonuses to full-risk capitation and shared savings contracts. For digital health companies, entering VBC arrangements requires demonstrating measurable outcomes in a specific patient population, which demands outcomes tracking infrastructure that most early-stage companies have not yet built.

CPT — Current Procedural Terminology — codes are standardized numeric identifiers that describe clinical services for billing purposes. Every telemedicine encounter, remote monitoring service, or digital therapeutic that seeks reimbursement must be mapped to one or more CPT codes that payers have agreed to cover. A digital health product without a clear CPT code billing pathway has a distribution problem disguised as a product problem.

Total addressable market, serviceable addressable market, and serviceable obtainable market are nested market sizing categories that move from theoretical ceiling to realistic near-term opportunity. In digital health, the gap between TAM and SAM is almost always larger than founders expect because licensure geography, covered indication, payer mix, and clinical scope all constrain the population actually reachable. Investors in digital health will discount any TAM figure that is not grounded in specific payer and licensure constraints.

BEFORE YOUR NEXT MEETING

— Who is the actual paying customer in this model — the patient, the employer, the health system, or the payer — and have we built our product and sales motion around that entity specifically?

— Which CPT codes does our clinical service map to, and which of our target payers currently have active reimbursement policies for those codes in the states where we operate?

— What is our PEPM or cost-per-encounter economics at current utilization, and what does utilization need to be for the unit to be margin-positive?

— If a value-based care investor asked us what outcomes we are taking financial risk on, what would we say — and do we have the data infrastructure to prove it?

— What specific market-sizing constraints — state licensure, payer coverage, eligible clinical conditions — bound our serviceable addressable market, and have we modeled revenue against those constraints rather than total healthcare spend?

REALITY CHECK

SOURCES

↗McKinsey & Company — 'Telehealth: A quarter-trillion-dollar post-COVID-19 reality?' (2021)

↗Peterson-KFF Health System Tracker — 'How has use of telehealth changed over time?' (2023)

↗CMS — 'Medicare Telemedicine Health Care Provider Fact Sheet' (2020)

↗FAIR Health — 'A Multilayered Analysis of Telehealth' (2021)

↗Rock Health — 'Digital Health Funding: 2023 Year in Review'

↗American Medical Association — 'CPT Telehealth Services' (2023)

LESSON 01 OF 04