Quick answers
- Which hospitals does Stefan Papandreou work at?
- Medicare's official clinician data lists Stefan Papandreou at 5 hospitals: Ascension St John Jane Phillips, Duncan Regional Hospital, Inc, Norman Regional, O U Medical Center and Stillwater Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stefan Papandreou see patients?
- Medicare's clinician data lists 5 practice locations, including Oklahoma City, OK, Tulsa, OK and Muskogee, OK. Call before your visit to confirm the address.
- What is Stefan Papandreou's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Stefan Papandreou accept Medicare assignment?
- Yes. Medicare's clinician data says Stefan Papandreou 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 the phone number for Stefan Papandreou?
- (405) 271-2669, as listed in official Medicare / NPI Registry data.
- What is Stefan Papandreou's NPI number?
- 1154946549. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stefan Papandreou works
Medicare's Facility Affiliation Data lists Stefan Papandreou at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension St John Jane PhillipsBartlesville, OK · Acute Care Hospital · CCN 370018
- Duncan Regional Hospital, IncDuncan, OK · Acute Care Hospital · CCN 370023
- Norman RegionalNorman, OK · Acute Care Hospital · CCN 370008
- O U Medical CenterOklahoma City, OK · Acute Care Hospital · CCN 370093
- Stillwater Medical CenterStillwater, OK · Acute Care Hospital · CCN 370049
Practice locations
Addresses where Stefan Papandreou is enrolled with Medicare (CMS data updated 2026-10-02).
- 1200 Childrens AveOklahoma City, OK 73104 (405) 271‑2669
- 1923 S Utica AveTulsa, OK 74104 (918) 744‑3131
- 300 Rockefeller DrMuskogee, OK 74401 (918) 684‑2101
- 3500 E Frank Phillips BlvdBartlesville, OK 74006 (918) 333‑7200
- 900 NE 10th St, Ouhp Family MedicineOklahoma City, OK 73104 (572) 244‑0065
Group practices
Medicare enrollment lists Stefan Papandreou as a member of these groups (CMS data updated 2026-10-02).
- OU Health Partners Inc1,184 clinicians in the group
- Usacs Observation Medicine Services of Oklahoma, LLC210 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Oklahoma City
Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Kansas City University Of Med & Biosciences, College Of Osteo Med |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154946549 |
| 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