Quick answers
- Which hospitals does Steven B. O'Brien work at?
- Medicare's official clinician data lists Steven B. O'Brien at 2 hospitals: INTEGRIS Baptist Medical Center, Inc and Memorial Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven B. O'Brien see patients?
- Medicare's clinician data lists 2 practice locations, including Oklahoma City, OK. Call before your visit to confirm the address.
- What is Steven B. O'Brien's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Steven B. O'Brien accept Medicare assignment?
- Yes. Medicare's clinician data says Steven B. O'Brien 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 Steven B. O'Brien?
- (405) 905-1039, as listed in official Medicare / NPI Registry data.
- What is Steven B. O'Brien's NPI number?
- 1841853751. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven B. O'Brien works
Medicare's Facility Affiliation Data lists Steven B. O'Brien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- INTEGRIS Baptist Medical Center, IncOklahoma City, OK · Acute Care Hospital · CCN 370028
- Memorial HealthLawton, OK · Acute Care Hospital · CCN 370056
Practice locations
Addresses where Steven B. O'Brien is enrolled with Medicare (CMS data updated 2026-10-02).
- 10300 Greenbriar Pkwy, Suite AOklahoma City, OK 73159 (405) 905‑1039
- 3400 NW Expressway, Suite 500Oklahoma City, OK 73112 (405) 945‑4589
Group practices
Medicare enrollment lists Steven B. O'Brien as a member of these groups (CMS data updated 2026-10-02).
- INTEGRIS Ambulatory Care Corporation685 clinicians in the group
- Absolute Best Care Oklahoma LLC9 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 | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841853751 |
| 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