John O'Keefe, M.D.
NPI 1548604440 · Diagnostic Radiology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John O'Keefe, M.D. is a Diagnostic Radiology Physician provider in Saint Louis, MO (NPI 1548604440).
Provider details
- NPI number
- 1548604440
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 82958 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,638 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 553 | $37 |
| Ct Scan of Upper Spine Without Contrast72125 | 276 | $45 |
| X-Ray of Chest, 2 Views71046 | 187 | $10 |
| X-Ray of Chest, 1 View71045 | 161 | $8 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 136 | $79 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 136 | $76 |
| Ct Scan of Lower Spine Without Contrast72131 |
Practice location
Mailing address
Additional practice locations (1)
- 901 E 5th StWashington, MO 63090-3127Phone: (636) 239-8250
Registry dates
- Enumerated
- 2013-04-22
- Last updated
- 2021-03-01
- Certified
- 2021-03-01
Frequently asked questions
- What is John O'Keefe's NPI number?
- John O'Keefe's National Provider Identifier (NPI) is 1548604440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John O'Keefe's specialty?
- John O'Keefe is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is John O'Keefe located?
- John O'Keefe's practice location on file with NPPES is 615 S New Ballas Rd, Saint Louis, MO 63141-8221.
- What is John O'Keefe's phone number?
- The practice phone number listed in the NPPES registry for John O'Keefe is (314) 251-6031.
- Does John O'Keefe accept Medicare?
- John O'Keefe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John O'Keefe's NPI active?
- Yes — John O'Keefe's NPI (1548604440) is active in the NPPES registry as of the last update on 2021-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.