Quick answers
- Which hospitals does Brian A. Chalkin work at?
- Medicare's official clinician data lists Brian A. Chalkin at 5 hospitals: Ascension St John Broken Arrow, Ascension St John Medical Center, Cherokee Nation W W Hastings Indian Hospital, Cleveland Area Hospital and Hillcrest Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian A. Chalkin see patients?
- Medicare's clinician data lists 1 practice location in Tulsa, OK. Call before your visit to confirm the address.
- What is Brian A. Chalkin's specialty?
- Medicare lists Hand Surgery as the primary specialty, and also Orthopedic Surgery.
- Does Brian A. Chalkin accept Medicare assignment?
- Yes. Medicare's clinician data says Brian A. Chalkin 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 Brian A. Chalkin's NPI number?
- 1861453102. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brian A. Chalkin works
Medicare's Facility Affiliation Data lists Brian A. Chalkin 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 Medical CenterTulsa, OK · Acute Care Hospital · CCN 370114
- Cherokee Nation W W Hastings Indian HospitalTahlequah, OK · Acute Care Hospital · CCN 370171
- Cleveland Area HospitalCleveland, OK · Critical Access Hospital · CCN 371320
- Hillcrest Medical CenterTulsa, OK · Acute Care Hospital · CCN 370001
Practice locations
Addresses where Brian A. Chalkin is enrolled with Medicare (CMS data updated 2026-10-02).
- 2431 E 61st St, Suite 500Tulsa, OK 74136
Group practices
Medicare enrollment lists Brian A. Chalkin as a member of this group (CMS data updated 2026-10-02).
- Orthopaedic Center PC19 clinicians in the group
Specialties
- Hand Surgeryprimary
- Orthopedic Surgeryalso
Other hand surgeons in Tulsa
Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861453102 |
| 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