Quick answers
- Which hospitals does James Gregory work at?
- Medicare's official clinician data lists James Gregory at 1 hospital: O U Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James Gregory see patients?
- Medicare's clinician data lists 2 practice locations, including Oklahoma City, OK. Call before your visit to confirm the address.
- What is James Gregory's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does James Gregory accept Medicare assignment?
- Yes. Medicare's clinician data says James Gregory 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 James Gregory?
- (405) 271-2669, as listed in official Medicare / NPI Registry data.
- What is James Gregory's NPI number?
- 1912132390. 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 Gregory works
Medicare's Facility Affiliation Data lists James Gregory at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- O U Medical CenterOklahoma City, OK · Acute Care Hospital · CCN 370093
Practice locations
Addresses where James Gregory is enrolled with Medicare (CMS data updated 2026-10-02).
- 1200 Childrens AveOklahoma City, OK 73104 (405) 271‑2669
- 900 NE 10th St, Ouhp Family MedicineOklahoma City, OK 73104 (572) 244‑0065
Group practices
Medicare enrollment lists James Gregory as a member of this group (CMS data updated 2026-10-02).
- OU Health Partners Inc1,184 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Oklahoma City
Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912132390 |
| 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