Doctor profile · Federal record

Dr. Samuel Thomas, DO

Internal Medicine Physician (CMS: Internal Medicine) · Worcester, MA

  • NPI 1114584455
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
119 Belmont St
Worcester, MA 016052903
(508) 334-8515
fax (508) 334-6490
Additional location
157 Union St
Marlborough, MA 017521228
(508) 486-5678
fax (508) 486-5677
Additional location
55 Lake Ave N
Worcester, MA 016550002
(083) 348-5155
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
September 13, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #293242

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114584455. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
389
Distinct HCPCS
4
Medicare allowed
$64,463
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 232 223 $177
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 123 120 $136
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 19 19 $175
99291 Critical care, first 30-74 minutes 15 15 $225

In context: peer comparison

Among 114 peers in Worcester Internal Medicine Physician, average services per provider: 102. This provider delivers 3.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Samuel Thomas's medical specialty?
Dr. Samuel Thomas practices Internal Medicine Physician in Worcester, MA.
Where does Dr. Samuel Thomas practice?
Dr. Samuel Thomas practices at 119 Belmont St, Worcester, MA 016052903. Office phone: 5083348515.
What is Dr. Samuel Thomas's NPI?
Dr. Samuel Thomas's National Provider Identifier (NPI) is 1114584455, issued by NPPES.
Does Dr. Samuel Thomas accept Medicare assignment?
Yes. Dr. Samuel Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samuel Thomas commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.