Doctor profile · Federal record

Dr. Thomas Rosenfeld, M.D.

Dermatology Physician (CMS: Dermatology) · Worcester, MA

  • NPI 1942203856
  • Accepts Medicare
  • 48 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5 Neponset St
Worcester, MA 016062714
(508) 595-5560

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
June 29, 2020
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
Massachusetts #50277
Medicaid
MA #9764437

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942203856. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,243
Distinct HCPCS
8
Medicare allowed
$81,366
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 608 536 $58
99213 Established patient office or other outpatient visit, 20-29 minutes 175 149 $92
17000 Destruction of precancer skin growth, 1 growth 130 123 $67
17003 Destruction of precancer skin growth, 2-14 growths 123 61 $7
99202 New patient office or other outpatient visit, 15-29 minutes 77 77 $74
11102 Biopsy of related skin growth, first growth 53 51 $107
17110 Destruction of skin growth, 1-14 growths 46 46 $119
99203 New patient office or other outpatient visit, 30-44 minutes 31 31 $112

In context: peer comparison

Among 11 peers in Worcester Dermatology Physician, average services per provider: 167. This provider delivers 7.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,114
Patients
493
Total drug cost
$35,579
Drug Type Claims Patients Total cost
Triamcinolone Acetonide Generic 163 82 $1,734
Betamethasone Dipropionate Generic 151 62 $8,189
Methotrexate (Methotrexate Sodium) Brand 103 25 $3,117
Fluocinolone Acetonide Generic 90 45 $5,193
Fluorouracil Generic 82 71 $5,590
Ketoconazole Generic 82 37 $1,981
Hydroxyzine Hcl Generic 77 24 $463
Minocycline Hcl Generic 67 28 $1,284
Prednisone Generic 62 32 $326
Fluocinonide Generic 52 23 $2,302

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Rosenfeld's medical specialty?
Dr. Thomas Rosenfeld practices Dermatology Physician in Worcester, MA.
Where does Dr. Thomas Rosenfeld practice?
Dr. Thomas Rosenfeld practices at 5 Neponset St, Worcester, MA 016062714. Office phone: 5085955560.
What is Dr. Thomas Rosenfeld's NPI?
Dr. Thomas Rosenfeld's National Provider Identifier (NPI) is 1942203856, issued by NPPES.
Does Dr. Thomas Rosenfeld accept Medicare assignment?
Yes. Dr. Thomas Rosenfeld accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Rosenfeld commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.