Quick answers
- Which hospitals does Oscar James work at?
- Medicare's official clinician data lists Oscar James at 5 hospitals: Ascension St John Broken Arrow, Ascension St John Jane Phillips, Ascension St John Medical Center, Ascension St John Sapulpa and St John Owasso. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Oscar James see patients?
- Medicare's clinician data lists 3 practice locations, including Tulsa, OK and Muskogee, OK. Call before your visit to confirm the address.
- What is Oscar James's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Oscar James accept Medicare assignment?
- Yes. Medicare's clinician data says Oscar James 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 Oscar James?
- (918) 744-3131, as listed in official Medicare / NPI Registry data.
- What is Oscar James's NPI number?
- 1629019161. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Oscar James works
Medicare's Facility Affiliation Data lists Oscar James 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 Broken ArrowBroken Arrow, OK · Acute Care Hospital · CCN 370235
- Ascension St John Jane PhillipsBartlesville, OK · Acute Care Hospital · CCN 370018
- Ascension St John Medical CenterTulsa, OK · Acute Care Hospital · CCN 370114
- Ascension St John SapulpaSapulpa, OK · Critical Access Hospital · CCN 371312
- St John OwassoOwasso, OK · Acute Care Hospital · CCN 370227
Practice locations
Addresses where Oscar James is enrolled with Medicare (CMS data updated 2026-10-02).
- 1923 S Utica AveTulsa, OK 74104 (918) 744‑3131
- 300 Rockefeller DrMuskogee, OK 74401 (918) 684‑2101
- 6161 S Yale AveTulsa, OK 74136
Group practices
Medicare enrollment lists Oscar James as a member of this group (CMS data updated 2026-10-02).
- Usacs Observation Medicine Services of Oklahoma, LLC210 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Tulsa
Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Meharry Medical College School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629019161 |
| 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