About Ambetter Coverage in Stony Brook
Ambetter operates 1 distinct networks in Stony Brook, NY, with a combined in-network roster of 62 doctors across 24 medical specialties. Among the five largest insurers we track in Stony Brook, Ambetter ranks #6 by provider count, the leader is Aetna with 1,446 in-network doctors. Use this page to confirm a specific provider is in-network, understand which Ambetter networks have the widest reach in Stony Brook, and compare coverage against other major insurers before scheduling care.
Ambetter publishes its Stony Brook directory at the network level rather than the consumer-plan level. The labels on each row below (for example Marketplace) are network identifiers, not the plan names printed on your member ID card. Your specific plan typically maps to one of these networks, but the mapping isn’t exposed in the federal filing. Match the doctor’s name first, then call the office with your member ID to confirm your plan is accepted.
Data is sourced from the federally-mandated CMS Transparency in Coverage filings that every insurer must publish monthly. Last refreshed July 28, 2026. Networks change between filings, so even when a doctor appears here we recommend calling their office with your member ID to confirm current network status before your visit.
Ambetter Networks in Stony Brook
Ambetter contracts with doctors at the network level in Stony Brook. Each network below is a contract; your specific plan (printed on your member ID) maps to one of them.
Marketplace
62
Top Specialties Accepting Ambetter
Ambetter’s Stony Brook network spans 24 distinct medical specialties. The mix reflects where the insurer has negotiated the deepest physician contracts. primary-care specialties and behavioral health tend to dominate, with surgical and sub-specialty networks typically narrower.
Click any specialty below to see a filtered list of just those in-network providers in Stony Brook, including ratings, locations, years of experience, and contact information. For specialties with fewer than 10 in-network providers, you’ll likely want to check nearby cities too. the section further down on this page has your geographic options.
Top Hospitals Serving Ambetter Patients in Stony Brook
Hospitals with the most Ambetter-network physicians practicing there. Large affiliation counts indicate that Ambetter has a durable relationship with the facility, which typically means smoother prior-authorizations for admissions, lab work, and follow-up care coordinated under one roof.
Hospital coverage is a separate contract from physician coverage. your Ambetter plan may cover a doctor who admits at Hospital X but classify the hospital itself as out-of-network, leaving you with a surprise facility bill. Before scheduling anything inpatient or procedural, call both the doctor’s office and the hospital billing line with your member ID to confirm both sides are in-network for the specific plan you hold.
Suny/stony Brook University Hospital
Stony Brook, NY
El Centro Regional Medical Center
El Centro, CA
Uci Health-orange
Orange, CA
Shasta Regional Medical Center
Redding, CA
Stamford Hospital
Stamford, CT
Uc San Diego Health Hillcrest - Hillcrest Med Ctr
San Diego, CA
Coverage Compared in Stony Brook
Side-by-side provider counts for the five largest commercial and government insurers tracked in Stony Brook. These numbers show raw network breadth. they don’t adjust for quality, specialty mix, or your specific plan’s tier structure, but they’re a useful first filter when choosing a carrier at open enrollment.
If Ambetter’s provider count looks limited for your needs, the alternatives below may fit better. Click any row to open that insurer’s Stony Brook provider list with the same filters, plan breakdown, and hospital affiliations that you’re seeing here.
Nearby Cities with Ambetter Coverage
Cities closest to Stony Brook where Ambetter has an in-network provider base of meaningful size. Useful if you’re willing to drive a short distance for a hard-to-find specialist, have two offices to choose between, or are planning a move inside the region.
The mileage figures are straight-line distances computed from average practice-address coordinates, not drive-time. Counts reflect each nearby city’s Ambetter network size. a small count doesn’t mean no coverage, just that your in-Stony Brook options are likely more plentiful.
Frequently Asked Questions
Common questions about Ambetter coverage in Stony Brook
How do I find an Ambetter in-network doctor in Stony Brook, NY?
Ambetter has 62 in-network providers across 24 medical specialties in Stony Brook. This list is compiled from federally-mandated CMS Transparency in Coverage filings, last verified July 28, 2026. Filter by specialty, plan type, gender, telehealth or experience above to narrow your search, then click any provider for full credentials and contact details. Always confirm coverage with your specific plan before scheduling.
Which hospitals in Stony Brook accept Ambetter?
Hospitals where Ambetter doctors most commonly practice in Stony Brook include SUNY/STONY BROOK UNIVERSITY HOSPITAL, EL CENTRO REGIONAL MEDICAL CENTER, UCI HEALTH-ORANGE, SHASTA REGIONAL MEDICAL CENTER. This is inferred from physician affiliations rather than direct insurer-hospital contracts, so confirm hospital network status separately with both your Ambetter plan and the hospital's billing department before scheduling any inpatient or surgical procedure. Even when a doctor is in-network, the hospital where they admit may not be.
Which medical specialties have the most Ambetter providers in Stony Brook?
Ambetter's Stony Brook network is largest in Diagnostic Radiology (9), Emergency Medicine (8), Pediatric Medicine (7). Primary care, behavioral health, and physical therapy tend to dominate insurer networks because high patient volumes drive deeper provider contracts. Surgical sub-specialties typically have narrower networks. Click any specialty in the section above to see a filtered list of those in-network providers.
How does Ambetter compare to other insurers in Stony Brook?
Ambetter ranks #6 of 6 major insurers tracked in Stony Brook by provider count, with 62 doctors. Aetna leads at 1,446 providers. Larger network size means more provider choice but doesn't guarantee that your specific doctor is in-network with any insurer. The Coverage Compared section above shows side-by-side counts for the top five carriers in Stony Brook.
Why don't I see specific Ambetter plan names like Bronze or Silver?
Ambetter files its Stony Brook provider directory at the network level rather than by consumer plan name. The labels above (such as Marketplace) are the network identifiers Ambetter uses internally. Your specific plan, whether commercial group, Medicare, or Medicaid, maps to one of these networks but the federal filing format doesn't expose which plan goes with which network. To verify your exact plan covers a specific doctor, call the provider with your member ID handy.
How do I verify a doctor is in-network with Ambetter?
Three steps: first match the doctor's name against this list, second call the provider's office with your member ID to confirm they currently accept your specific Ambetter plan, and third check Ambetter's own member portal for the most authoritative real-time status. Networks change between monthly federal filings; our data was last refreshed July 28, 2026.
What if my doctor isn't listed here?
This list reflects Ambetter's submitted network data as of the last federal filing on July 28, 2026. Doctors join and leave networks between filings, so a current in-network provider may be missing if they joined recently. Call the doctor's office to ask whether they currently accept Ambetter, then check Ambetter's own member portal for confirmation.
When was this Ambetter data last updated?
The Ambetter Stony Brook provider list was last refreshed July 28, 2026. Doctor and network data come from the federally-mandated CMS Transparency in Coverage filings that every insurer must publish monthly. Refresh cadence: monthly for provider data, annually for marketplace and Medicare plans.
Related healthcare resources
Patient resources for Stony Brook Ambetter members.
Common health topics
Common medications
Common procedure costs
Data freshness
Last verified July 28, 2026 · Source: CMS Transparency in Coverage federal filings · Refresh cadence: monthly