Mary Hillstrom, MD
NPI 1245228105 · Diagnostic Radiology Physician · Warwick, RI
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Hillstrom, MD is a Diagnostic Radiology Physician provider in Warwick, RI (NPI 1245228105).
Provider details
- NPI number
- 1245228105
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 151888 (MA)
Specialties & taxonomies
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
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
1,673 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) |
|---|---|---|
| Screening Mammography77067 | 394 | $134 |
| Screening 3d Breast Mammography77063 | 393 | $54 |
| Screening Mammography77067 | 288 | $37 |
| Screening 3d Breast Mammography77063 | 286 | $29 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 48 | $49 |
| Diagnostic Mammography of 1 Breast77065 | 46 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-13
- Last updated
- 2019-03-25
Frequently asked questions
- What is Mary Hillstrom's NPI number?
- Mary Hillstrom's National Provider Identifier (NPI) is 1245228105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Hillstrom's specialty?
- Mary Hillstrom is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Hillstrom located?
- Mary Hillstrom's practice location on file with NPPES is 125 Metro Center Blvd Ste 2000, Warwick, RI 02886-1785.
- What is Mary Hillstrom's phone number?
- The practice phone number listed in the NPPES registry for Mary Hillstrom is (401) 432-2520.
- Does Mary Hillstrom accept Medicare?
- Mary Hillstrom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Hillstrom's NPI active?
- Yes — Mary Hillstrom's NPI (1245228105) is active in the NPPES registry as of the last update on 2019-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.