John Jennings, M.D.
NPI 1477540839 · Diagnostic Radiology Physician · Tulsa, OK
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Jennings, M.D. is a Diagnostic Radiology Physician provider in Tulsa, OK (NPI 1477540839).
Provider details
- NPI number
- 1477540839
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 20196 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,987 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 1,431 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 327 | $37 |
| X-Ray of Chest, 2 Views71046 | 284 | $10 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 270 | $80 |
| X-Ray of Chest, 2 Views71046 | 176 | $10 |
| Ct Scan of Chest Without Contrast71250 | 165 | $48 |
| Ct Scan of Chest With Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-30
- Last updated
- 2024-08-06
- Certified
- 2024-08-06
Frequently asked questions
- What is John Jennings's NPI number?
- John Jennings's National Provider Identifier (NPI) is 1477540839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Jennings's specialty?
- John Jennings is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Jennings located?
- John Jennings's practice location on file with NPPES is 5801 E 41st St Ste 900, Tulsa, OK 74135-5631.
- What is John Jennings's phone number?
- The practice phone number listed in the NPPES registry for John Jennings is (918) 747-4975.
- Does John Jennings accept Medicare?
- John Jennings is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Jennings's NPI active?
- Yes — John Jennings's NPI (1477540839) is active in the NPPES registry as of the last update on 2024-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.