Doctor profile · Federal record

Dr. Thomas Percy, MD

Internal Medicine Physician (CMS: Hospitalist) · Westfield, MA

  • NPI 1699709352
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
115 W Silver St
Westfield, MA 010853628
(413) 572-5099
fax (413) 572-4151
Mailing address
Po Box 369
Westfield, MA 010860369

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 30, 2008
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #151347
Medicaid
MA #3153916

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699709352. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
595
Distinct HCPCS
3
Medicare allowed
$66,361
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 339 154 $120
99239 Hospital discharge day management, more than 30 minutes 146 141 $116
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 110 73 $80

In context: peer comparison

Among 6 peers in Westfield Internal Medicine Physician, average services per provider: 177. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
175
Patients
80
Total drug cost
$1,946
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 89 30 $1,085
Prednisone Generic 23 23 $96
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 14 $56
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 0 $370
Azithromycin Generic 13 13 $72
Sertraline Hcl Generic 12 0 $93
Quetiapine Fumarate Generic 11 0 $174

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Percy's medical specialty?
Dr. Thomas Percy practices Internal Medicine Physician in Westfield, MA.
Where does Dr. Thomas Percy practice?
Dr. Thomas Percy practices at 115 W Silver St, Westfield, MA 010853628. Office phone: 4135725099.
What is Dr. Thomas Percy's NPI?
Dr. Thomas Percy's National Provider Identifier (NPI) is 1699709352, issued by NPPES.
Does Dr. Thomas Percy accept Medicare assignment?
Yes. Dr. Thomas Percy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Percy commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.