Mary Frates, MD
NPI 1538144571 · Diagnostic Ultrasound Physician · Boston, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Frates, MD is a Diagnostic Ultrasound Physician provider in Boston, MA (NPI 1538144571).
Provider details
- NPI number
- 1538144571
- Entity type
- Individual
- Primary specialty
- Diagnostic Ultrasound PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 71365 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
767 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 100 | $30 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 76 | $36 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 70 | $27 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 58 | $34 |
| Complete Ultrasound Scan of Abdomen76700 | 55 | $40 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 55 | $46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,971 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-13
- Last updated
- 2012-08-09
Frequently asked questions
- What is Mary Frates's NPI number?
- Mary Frates's National Provider Identifier (NPI) is 1538144571, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Frates's specialty?
- Mary Frates is listed in the NPPES registry with a primary specialty of Diagnostic Ultrasound Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Frates located?
- Mary Frates's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Mary Frates's phone number?
- The practice phone number listed in the NPPES registry for Mary Frates is (617) 732-6280.
- Does Mary Frates accept Medicare?
- Mary Frates is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Frates's NPI active?
- Yes — Mary Frates's NPI (1538144571) is active in the NPPES registry as of the last update on 2012-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.