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The US payer landscape — and what it takes to navigate it
The US health insurance market is dominated by five national carriers — UnitedHealthcare, Anthem/Elevance, Aetna, Cigna, and Humana — who collectively insure more than 150 million Americans. Each of these carriers operates multiple product lines with distinct network structures: separate networks for commercial, Medicare Advantage, Medicaid managed care, and specialty products. Being credentialed with one product line does not automatically include others.
Beyond the national carriers, regional payers often represent significant market share in specific geographies. Blue Cross Blue Shield operates as 33 independent regional plans that function as separate credentialing entities despite the shared brand. Kaiser Permanente is a dominant integrated delivery system in California and other Western markets. Regional plans such as Health Net, Sharp, and Western Health Advantage matter significantly in their local markets.
Successfully credentialing with this landscape requires deep, current knowledge of each payer's specific application processes, documentation preferences, credentialing committee cycles, and network management contacts. That knowledge is our core competency. We maintain established relationships with credentialing contacts at all major commercial payers, allowing us to escalate stalled applications and resolve development letter issues faster than standard provider relations queues.
Government vs commercial payer credentialing
Medicare enrollment through PECOS is one of the most consequential credentialing tasks for any provider, given Medicare's 67 million covered lives and its 20–40% share of revenue for most primary care and specialty practices. Medicare enrollment is administered through 12 regional MAC contractors, each with distinct processing patterns and development letter preferences. We maintain active contacts at every MAC jurisdiction.
Medicaid enrollment is administered at the state level with 50 separate programs plus managed Medicaid MCOs in most states. Each state's Medicaid program has its own portal, documentation requirements, and processing timeline. State Medicaid enrollment typically takes 30–120 days depending on the state. We manage both fee-for-service Medicaid enrollment and the separate managed Medicaid MCO credentialing that most Medicaid beneficiaries require.
Commercial payer credentialing has more variability but also more opportunity. Fee schedules are negotiable with most commercial payers for practices with sufficient volume or market position. Panel status varies by specialty and geography, and closed panels can often be reopened through formal requests documenting patient access needs. Our commercial credentialing service includes contract review and fee schedule guidance as a standard part of the engagement.
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Frequently asked questions
Which insurance payers do you credential providers with?
We credential providers with all major US payers including Medicare (via PECOS), all 50 state Medicaid programs, and the top commercial carriers — Aetna, Blue Cross Blue Shield (all state plans), Cigna, UnitedHealthcare, Humana, Anthem/Elevance, Kaiser Permanente, TRICARE, and 190+ additional regional and specialty payers. We manage 200+ active payer relationships.
How do you decide which payers to enroll with first?
We conduct a market analysis at intake that maps the insured population in your service area by payer. Prioritizing the top 5 payers by market share typically captures 70–85% of the commercially insured population in most US markets, plus Medicare and Medicaid for the government-insured population. Your specific priority list depends on geographic market, specialty, and target patient demographics.
What is the difference between commercial and government payer credentialing?
Government payers (Medicare, Medicaid) follow standardized federal or state processes with defined portals — PECOS for Medicare, state-specific portals for Medicaid. Commercial payers each maintain their own credentialing standards, application processes, and committee review cycles. Government payers have less flexibility on fee schedules; commercial payers often allow negotiation for practices with strong volume or specialty positioning.
How long does it take to credential with a new insurance payer?
Timelines depend on the payer: Medicare 60–90 days via PECOS, state Medicaid 30–120 days by state, commercial payers typically 45–120 days. Because we submit to all target payers simultaneously, total time to full network participation equals your slowest payer, not the sum of all payer timelines. Our proactive follow-up reduces average timelines by 25% versus self-managed enrollment.
Can you help if my target payer panel is closed?
Yes. We research current panel status before submitting applications, and when target panels are closed, we prepare formal panel reopening requests that document patient access gaps, network adequacy deficiencies, and the specific business case for adding your practice. Many panel reopening requests succeed when properly prepared and submitted through the correct channels.
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Free consultation. Transparent pricing. 48-hour kickoff. All 50 US states.