Robert Ryerson, M.D.
NPI 1528086931 · Diagnostic Radiology Physician · Saint Louis, MO
Provider details
- NPI number
- 1528086931
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 105614 (MO)
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
19 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
5,678 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 | 942 | $8 |
| Screening Mammography77067 | 826 | $34 |
| X-Ray of Chest, 2 Views71046 | 774 | $10 |
| Screening 3d Breast Mammography77063 | 766 | $27 |
| Limited Ultrasound Scan of Abdomen76705 | 193 | $26 |
| Ct Scan of Chest Without Contrast71250 | 179 | $49 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 156 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2025-12-12
- Certified
- 2025-12-12
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.