Kissimmee, Celebration & St. Cloud Hospital Insurance Accepted (2027): AdventHealth Celebration, Orlando Health St. Cloud & HCA Florida Osceola
Osceola County is one of the fastest-growing health insurance markets in Florida, anchored by AdventHealth Celebration, AdventHealth Kissimmee, Orlando Health St. Cloud Hospital, and HCA Florida Osceola & Poinciana Hospitals. Here is which 2027 ACA Marketplace and Medicare plans keep your Osceola County doctors and hospitals in-network.
Check your Kissimmee, Celebration or St. Cloud doctors for 2027
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Direct Answer: What Insurance Do Kissimmee, Celebration & St. Cloud Hospitals Accept in 2027?
Direct answer: In Osceola County for 2027, Florida Blue, Oscar Health, and Ambetter from Sunshine Health offer ACA Marketplace plans covering combinations of AdventHealth Celebration & Kissimmee, Orlando Health St. Cloud Hospital, and HCA Florida Osceola & Poinciana Hospitals, while Cigna Healthcare and Molina Healthcare exited the Florida ACA Marketplace for 2027 (requiring former enrollees to actively select a new carrier).
For Medicare beneficiaries across Kissimmee, Celebration, St. Cloud, and Poinciana, Original Medicare with a Medigap policy is accepted at all Osceola and Orange County hospitals, while Medicare Advantage (Part C) HMO and PPO networks require verifying whether your primary care clinic refers into AdventHealth, Orlando Health, or HCA Florida.
2027 Osceola County Hospital & Carrier Network Matrix
Compare 2027 ACA Marketplace and Medicare hospital participation across Kissimmee, Celebration, and St. Cloud:
| Hospital System / Medical Group | Key Campuses & Clinics | 2027 ACA Marketplace Networks | 2027 Medicare & Medigap Access |
|---|---|---|---|
| AdventHealth Celebration & AdventHealth Kissimmee | AdventHealth Celebration (Celebration Blvd), AdventHealth Kissimmee (Main St), AdventHealth Partin Settlement ER, Centra Care Osceola | Florida Blue, Oscar Health, Ambetter; verify UnitedHealthcare 2027 contract status after Dec 31, 2026 | Original Medicare + Medigap; major Osceola County Medicare Advantage plans (verify UHC status for 2027) |
| Orlando Health St. Cloud Hospital | Orlando Health St. Cloud Hospital (17th St), Orlando Health ER & Medical Pavilion Osceola / Reunion, Physician Associates | Florida Blue, Oscar Health, Ambetter, select UnitedHealthcare tiers (verify Orlando Health Medical Group NPI) | Original Medicare + Medigap; contracted Medicare Advantage PPO and HMO networks |
| HCA Florida Osceola & HCA Florida Poinciana | HCA Florida Osceola Hospital (Central Ave, Kissimmee — Level II Trauma), HCA Florida Poinciana Hospital, HCA Hunter's Creek ER | Ambetter from Sunshine Health, Florida Blue, Oscar Health, UnitedHealthcare ACA plans | Original Medicare + Medigap; broad Medicare Advantage participation across Osceola & Polk counties |
| Nemours Children's Hospital (Lake Nona Corridor) | Nemours Children's Hospital (just north of St. Cloud / Kissimmee in Lake Nona) & specialty pediatric clinics | Verify pediatric specialty network inclusion on Florida Blue, Oscar Health, and Ambetter tiers | Primarily pediatric ACA Marketplace & Medicaid specialty network |
3 Steps for Kissimmee, Celebration, St. Cloud & Harmony Families
- Replace Exiting 2026 Cigna or Molina ACA Plans Properly: If you had Cigna or Molina in Kissimmee or St. Cloud in 2026, do not rely on passive auto-reenrollment. Compare 2027 Florida ACA replacement plans and check whether a 2027 Gold plan costs less than Silver in Osceola County.
- Check Poinciana & Four Corners Polk/Osceola Border Rules: Poinciana and Four Corners straddle the Osceola/Polk county line. Read our HCA Florida Poinciana vs. AdventHealth Heart of Florida 2027 Guide to verify cross-county hospital access.
- Confirm Lake Nona Specialty & Pediatric Access: Many St. Cloud, Harmony, and Kissimmee families use specialists in adjacent Lake Nona (Orange County), including Nemours Children's Hospital and UCF Lake Nona Hospital. Verify both Osceola and Orange County coverage on your 2027 plan ID.
Emergency Room Protection (No Surprises Act): Under the federal No Surprises Act and CMS Medicare emergency rules, emergency department evaluation and stabilization at any hospital ER are covered at in-network cost-sharing rates regardless of whether the hospital is in your plan's network; network tiers govern scheduled surgeries, non-emergency inpatient admissions, and outpatient clinic visits.
Frequently Asked Questions
What insurance does AdventHealth Celebration accept in 2027?
AdventHealth Celebration accepts Original Medicare with Medigap, contracted Medicare Advantage plans, and 2027 ACA Marketplace plans from Florida Blue, Oscar Health, and Ambetter (verify UnitedHealthcare network status following the December 31, 2026 contract renewal deadline).
Is Orlando Health St. Cloud Hospital in-network with Oscar, Ambetter, and Florida Blue for 2027?
Orlando Health St. Cloud Hospital participates in select 2027 Florida Blue, Oscar Health, Ambetter, and UnitedHealthcare ACA Marketplace sub-networks in Osceola County, as well as Original Medicare with Medigap and contracted Medicare Advantage plans.
Does HCA Florida Osceola Hospital in Kissimmee accept Ambetter and Florida Blue in 2027?
Yes. HCA Florida Osceola Hospital and HCA Florida Poinciana Hospital participate broadly in 2027 Ambetter from Sunshine Health, Florida Blue, Oscar Health, and UnitedHealthcare ACA plans, plus major Osceola County Medicare Advantage networks.
Related Regional Network Guides
Need a 2027 Osceola County Plan & Doctor Check?
David Huff (FL License #W371813 · NPN 18213932) helps individuals, families, and Medicare beneficiaries verify hospital networks, physician group NPIs, and prescription drug formularies for the 2027 plan year.