Zachary Hartley-Blossom, MD
NPI 1225567902 · Diagnostic Radiology Physician · Grand Rapids, MI
Provider details
- NPI number
- 1225567902
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD17244 (RI)
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
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,801 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 of Blood Vessels of Chest With Contrast71275 | 254 | $80 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 241 | $80 |
| X-Ray of Chest, 2 Views71046 | 203 | $10 |
| Ct Scan of Chest Without Contrast71250 | 197 | $48 |
| X-Ray of Chest, 1 View71045 | 171 | $8 |
| Ct Scan of Chest With Contrast71260 | 121 | $51 |
| Ct Scan Head Or Brain Without Contrast70450 |
Practice location
Mailing address
Additional practice locations (3)
- 55 Fruit StBoston, MA 02114-2621Phone: (617) 726-2000
- 593 Eddy StProvidence, RI 02903-4923Phone: (401) 444-5174
- 125 Metro Center BlvdWarwick, RI 02886-1768Phone: (140) 192-1920
Registry dates
- Enumerated
- 2017-06-07
- Last updated
- 2023-12-18
- Certified
- 2023-12-18
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.