Quick answers
- Which hospitals does Michael W. Griffin work at?
- Medicare's official clinician data lists Michael W. Griffin at 5 hospitals: Ascension St John Broken Arrow, Oklahoma Surgical Hospital, LLC, Saint Francis Hospital Muskogee, Saint Francis Hospital Vinita, Inc and Saint Francis Hospital, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael W. Griffin see patients?
- Medicare's clinician data lists 4 practice locations, including Tulsa, OK and Drumright, OK. Call before your visit to confirm the address.
- What is Michael W. Griffin's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Michael W. Griffin accept Medicare assignment?
- Yes. Medicare's clinician data says Michael W. Griffin 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 Michael W. Griffin?
- (918) 505-3400, as listed in official Medicare / NPI Registry data.
- What is Michael W. Griffin's NPI number?
- 1912968652. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael W. Griffin works
Medicare's Facility Affiliation Data lists Michael W. Griffin 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
- Oklahoma Surgical Hospital, LLCTulsa, OK · Acute Care Hospital · CCN 370210
- Saint Francis Hospital MuskogeeMuskogee, OK · Acute Care Hospital · CCN 370025
- Saint Francis Hospital Vinita, IncVinita, OK · Acute Care Hospital · CCN 370237
- Saint Francis Hospital, IncTulsa, OK · Acute Care Hospital · CCN 370091
Practice locations
Addresses where Michael W. Griffin is enrolled with Medicare (CMS data updated 2026-10-02).
- 2448 E 81st St, Suite 1100Tulsa, OK 74137 (918) 505‑3400
- 610 W BypassDrumright, OK 74030 (918) 382‑2300
- 6161 S Yale AveTulsa, OK 74136
- 6161 S Yale Ave, Saint Francis Trauma InstituteTulsa, OK 74136 (918) 494‑1805
Group practices
Medicare enrollment lists Michael W. Griffin as a member of these groups (CMS data updated 2026-10-02).
- Care Communications LLC33 clinicians in the group
- Drumright Community Hospital LLC15 clinicians in the group
- Surgical Associates Inc10 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Tulsa
Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912968652 |
| 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