Quick answers
- Which hospitals does Michael S. Charles work at?
- Medicare's official clinician data lists Michael S. Charles 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 Michael S. Charles see patients?
- Medicare's clinician data lists 4 practice locations, including Tulsa, OK. Call before your visit to confirm the address.
- What is Michael S. Charles's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Michael S. Charles accept Medicare assignment?
- Yes. Medicare's clinician data says Michael S. Charles 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 S. Charles?
- (918) 744-2071, as listed in official Medicare / NPI Registry data.
- What is Michael S. Charles's NPI number?
- 1942293097. 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 S. Charles works
Medicare's Facility Affiliation Data lists Michael S. Charles 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 Michael S. Charles is enrolled with Medicare (CMS data updated 2026-10-02).
- 1705 E 19th StTulsa, OK 74104
- 1919 S Wheeling AveTulsa, OK 74104
- 1923 S Utica AveTulsa, OK 74104 (918) 744‑2071
- 1923 S Utica Ave, Medical Staff OfficeTulsa, OK 74104
Group practices
Medicare enrollment lists Michael S. Charles as a member of this group (CMS data updated 2026-10-02).
- St. John Physicians, Inc.259 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 | MD |
|---|---|
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942293097 |
| 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