Quick answers
- Which hospitals does James K. Warren work at?
- Medicare's official clinician data lists James K. Warren at 4 hospitals: AdventHealth Heart of Florida, AdventHealth Orlando, HCA Florida Osceola Hospital and HCA Florida Poinciana Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James K. Warren see patients?
- Medicare's clinician data lists 1 practice location in Kissimmee, FL. Call before your visit to confirm the address.
- What is James K. Warren's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does James K. Warren accept Medicare assignment?
- Yes. Medicare's clinician data says James K. Warren accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is James K. Warren's NPI number?
- 1942296769. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James K. Warren works
Medicare's Facility Affiliation Data lists James K. Warren at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth Heart of FloridaDavenport, FL · Acute Care Hospital · CCN 100137
- AdventHealth OrlandoOrlando, FL · Acute Care Hospital · CCN 100007
- HCA Florida Osceola HospitalKissimmee, FL · Acute Care Hospital · CCN 100110
- HCA Florida Poinciana HospitalKissimmee, FL · Acute Care Hospital · CCN 100320
Practice locations
Addresses where James K. Warren is enrolled with Medicare (CMS data updated 2026-10-02).
- 601 Oak Commons BlvdKissimmee, FL 34741
Group practices
Medicare enrollment lists James K. Warren as a member of this group (CMS data updated 2026-10-02).
- Cardiovascular Associates Inc18 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Florida →
Other cardiologists in Kissimmee
Clinicians with the same Medicare primary specialty in Kissimmee, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Sanford School Of Medicine Of University Of South Dakota |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942296769 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians