Quick answers
- Which hospitals does Hamid R. Sima work at?
- Medicare's official clinician data lists Hamid R. Sima at 5 hospitals: Chickasaw Nation Medical Center, INTEGRIS Baptist Medical Center, Inc, INTEGRIS Health Enid Hospital, Saint Francis Hospital South, LLC and Saint Francis Hospital, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Hamid R. Sima see patients?
- Medicare's clinician data lists 1 practice location in Oklahoma City, OK. Call before your visit to confirm the address.
- What is Hamid R. Sima's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Hamid R. Sima accept Medicare assignment?
- Yes. Medicare's clinician data says Hamid R. Sima 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.
- Does Hamid R. Sima offer telehealth?
- Medicare's clinician data says Hamid R. Sima offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Hamid R. Sima?
- (405) 947-5557, as listed in official Medicare / NPI Registry data.
- What is Hamid R. Sima's NPI number?
- 1619231073. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Hamid R. Sima works
Medicare's Facility Affiliation Data lists Hamid R. Sima at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Chickasaw Nation Medical CenterAda, OK · Acute Care Hospital · CCN 370180
- INTEGRIS Baptist Medical Center, IncOklahoma City, OK · Acute Care Hospital · CCN 370028
- INTEGRIS Health Enid HospitalEnid, OK · Acute Care Hospital · CCN 370016
- Saint Francis Hospital South, LLCTulsa, OK · Acute Care Hospital · CCN 370218
- Saint Francis Hospital, IncTulsa, OK · Acute Care Hospital · CCN 370091
Practice locations
Addresses where Hamid R. Sima is enrolled with Medicare (CMS data updated 2026-10-02).
- 3300 NW, 3444 Main HospitalOklahoma City, OK 73112 (405) 947‑5557
Group practices
Medicare enrollment lists Hamid R. Sima as a member of this group (CMS data updated 2026-10-02).
- Zuhdi Transplant Physicians49 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Oklahoma City
Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1619231073 |
| 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