Thomas an, MD
NPI 1912427113 · Diagnostic Radiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas an, MD is a Diagnostic Radiology Physician provider in Boston, MA (NPI 1912427113).
Provider details
- NPI number
- 1912427113
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 272811 (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
8 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
458 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) |
|---|---|---|
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 101 | $12 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 57 | $14 |
| Ultrasonic Guidance for Needle Placement76942 | 51 | $31 |
| Fluoroscopic Guidance for Insertion Or Removal of Central Vein Access Device77001 | 29 | $18 |
| Needle Biopsy of Liver Through Skin47000 | 27 | $82 |
| Review By Radiologist of Ct Guidance for Needle Placement77012 | 27 | $72 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$470 across 5 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
- 2017-06-20
- Last updated
- 2023-12-21
- Certified
- 2023-12-21
Frequently asked questions
- What is Thomas an's NPI number?
- Thomas an's National Provider Identifier (NPI) is 1912427113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas an's specialty?
- Thomas an is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas an located?
- Thomas an's practice location on file with NPPES is Massachusetts General Hospital, Boston, MA 02114.
- What is Thomas an's phone number?
- The practice phone number listed in the NPPES registry for Thomas an is (617) 726-5518.
- Does Thomas an accept Medicare?
- Thomas an is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas an's NPI active?
- Yes — Thomas an's NPI (1912427113) is active in the NPPES registry as of the last update on 2023-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.