Harry Greditzer, M.D.
NPI 1174753982 · Diagnostic Radiology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harry Greditzer, M.D. is a Diagnostic Radiology Physician provider in Saint Louis, MO (NPI 1174753982).
Provider details
- NPI number
- 1174753982
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2015043933 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
16 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
630 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) |
|---|---|---|
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 134 | $98 |
| Mri Scan of Leg Joint Without Contrast73721 | 108 | $100 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 68 | $68 |
| Mri Scan of Leg Joint Without Contrast73721 | 51 | $63 |
| Mri Scan of Arm Joint Without Contrast73221 | 48 | $108 |
| Mri Scan of Upper Spinal Canal Without Contrast72141 | 45 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-07-15
- Last updated
- 2025-11-05
- Certified
- 2025-11-05
Frequently asked questions
- What is Harry Greditzer's NPI number?
- Harry Greditzer's National Provider Identifier (NPI) is 1174753982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harry Greditzer's specialty?
- Harry Greditzer is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Harry Greditzer located?
- Harry Greditzer's practice location on file with NPPES is 7733 Forsyth Blvd, Saint Louis, MO 63105-1817.
- What is Harry Greditzer's phone number?
- The practice phone number listed in the NPPES registry for Harry Greditzer is (212) 606-1015.
- Does Harry Greditzer accept Medicare?
- Harry Greditzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harry Greditzer's NPI active?
- Yes — Harry Greditzer's NPI (1174753982) is active in the NPPES registry as of the last update on 2025-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.