Donald Greenstein, MD
NPI 1235181587 · Diagnostic Radiology Physician · Brockton, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Greenstein, MD is a Diagnostic Radiology Physician provider in Brockton, MA (NPI 1235181587).
Provider details
- NPI number
- 1235181587
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 054582 (MA)
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
20 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
2,070 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 | 703 | $8 |
| X-Ray of Chest, 2 Views71046 | 324 | $10 |
| Imaging for Evaluation of Swallowing Function74230 | 123 | $25 |
| X-Ray of Abdomen, 1 View74018 | 85 | $9 |
| X-Ray of Foot, Minimum of 3 Views73630 | 76 | $8 |
| X-Ray of Knee, 3 Views73562 | 72 | $9 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 65 |
Practice location
Mailing address
Additional practice locations (1)
- 736 Cambridge StBrighton, MA 02135Phone: (617) 789-2762
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is Donald Greenstein's NPI number?
- Donald Greenstein's National Provider Identifier (NPI) is 1235181587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Greenstein's specialty?
- Donald Greenstein is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Greenstein located?
- Donald Greenstein's practice location on file with NPPES is 235 N Pearl St, Brockton, MA 02301-1794.
- What is Donald Greenstein's phone number?
- The practice phone number listed in the NPPES registry for Donald Greenstein is (508) 427-2665.
- Does Donald Greenstein accept Medicare?
- Donald Greenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Greenstein's NPI active?
- Yes — Donald Greenstein's NPI (1235181587) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.