John Gurian, M.D.
NPI 1023085891 · Diagnostic Radiology Physician · San Antonio, TX
Provider details
- NPI number
- 1023085891
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- J9071 (TX)
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
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
1,818 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 | 595 | $38 |
| X-Ray of Chest, 1 View71045 | 184 | $8 |
| Ct Scan of Upper Spine Without Contrast72125 | 176 | $45 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 158 | $78 |
| Ct Scan of Blood Vessels of Neck With Contrast70498 | 156 | $75 |
| Mri Scan of Brain Without Contrast70551 | 82 | $67 |
| Ct Scan of Lower Spine Without Contrast72131 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-01
- Last updated
- 2016-03-31
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.