Quick answers
- Which hospitals does James C. Duncan Jr. work at?
- Medicare's official clinician data lists James C. Duncan Jr. at 2 hospitals: Ascension St John Medical Center and Oklahoma Surgical Hospital, LLC. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James C. Duncan Jr. see patients?
- Medicare's clinician data lists 5 practice locations, including Tulsa, OK, Owasso, OK and Jenks, OK. Call before your visit to confirm the address.
- What is James C. Duncan Jr.'s specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does James C. Duncan Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says James C. Duncan Jr. 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 James C. Duncan Jr.?
- (918) 940-8900, as listed in official Medicare / NPI Registry data.
- What is James C. Duncan Jr.'s NPI number?
- 1386799252. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James C. Duncan Jr. works
Medicare's Facility Affiliation Data lists James C. Duncan Jr. 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 Medical CenterTulsa, OK · Acute Care Hospital · CCN 370114
- Oklahoma Surgical Hospital, LLCTulsa, OK · Acute Care Hospital · CCN 370210
Practice locations
Addresses where James C. Duncan Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 10210 E 91st St, Fl 2Tulsa, OK 74133 (918) 940‑8900
- 10512 N 110th E Ave, Bailey Med CtrOwasso, OK 74055 (918) 376‑8000
- 1120 S Utica Ave, Hc Med CtrTulsa, OK 74104 (918) 579‑1000
- 3029 W Main StJenks, OK 74037 (918) 701‑2300
- 8801 S 101st E AveTulsa, OK 74133 (918) 294‑4000
Group practices
Medicare enrollment lists James C. Duncan Jr. as a member of these groups (CMS data updated 2026-10-02).
- Emergenchealth PLLC1,056 clinicians in the group
- Integral Anesthesia LLC159 clinicians in the group
- Gastroenterology Specialists, Inc.23 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Oklahoma →
Other nurse anesthetists in Tulsa
Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386799252 |
| 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