Thomas Rosenfeld, M.D.
NPI 1942203856 · Dermatology Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Rosenfeld, M.D. is a Dermatology Physician provider in Worcester, MA (NPI 1942203856).
Provider details
- NPI number
- 1942203856
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 50277 (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
21 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
1,496 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 578 | $57 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 251 | $92 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 207 | $7 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 177 | $66 |
| Destruction of Skin Growth, 1-14 Growths17110 | 85 | $118 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Betamethasone Dipropionate | 196 | 83 |
| Triamcinolone Acetonide | 172 | 107 |
| Ketoconazole | 138 | 61 |
| Fluorouracil | 138 | 119 |
| Methotrexate Sodiumbrand: Methotrexate | 130 | 26 |
| Hydroxyzine Hcl | 97 | 19 |
| Minocycline Hcl | 85 | 38 |
| Metronidazole | 70 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-24
- Last updated
- 2020-06-29
- Certified
- 2020-06-29
Frequently asked questions
- What is Thomas Rosenfeld's NPI number?
- Thomas Rosenfeld's National Provider Identifier (NPI) is 1942203856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Rosenfeld's specialty?
- Thomas Rosenfeld is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Rosenfeld located?
- Thomas Rosenfeld's practice location on file with NPPES is 5 Neponset St, Worcester, MA 01606-2714.
- What is Thomas Rosenfeld's phone number?
- The practice phone number listed in the NPPES registry for Thomas Rosenfeld is (508) 595-5560.
- Does Thomas Rosenfeld accept Medicare?
- Thomas Rosenfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Rosenfeld's NPI active?
- Yes — Thomas Rosenfeld's NPI (1942203856) is active in the NPPES registry as of the last update on 2020-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.