Doctor profile · Federal record

Dr. Thomas Sequist, MD

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

  • NPI 1982660288
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1620 Tremont Street, Brigham and Womens Hospital Department of Medicine
Boston, MA 02120
(617) 525-7509

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #213432

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982660288. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
63
Distinct HCPCS
1
Medicare allowed
$6,548
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 63 48 $104

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
553
Patients
107
Total drug cost
$31,906
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 82 20 $1,672
Hydrochlorothiazide Generic 73 18 $295
Lisinopril Generic 65 16 $664
Omeprazole Generic 56 13 $609
Metoprolol Succinate Generic 53 13 $3,021
Simvastatin Generic 43 12 $662
Amlodipine Besylate Generic 35 15 $337
Potassium Chloride Generic 27 0 $1,587
Alendronate Sodium Generic 24 0 $237
Atenolol Generic 20 0 $227

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Sequist's medical specialty?
Dr. Thomas Sequist practices Internal Medicine Physician in Boston, MA.
Where does Dr. Thomas Sequist practice?
Dr. Thomas Sequist practices at 1620 Tremont Street, Boston, MA 02120. Office phone: 6175257509.
What is Dr. Thomas Sequist's NPI?
Dr. Thomas Sequist's National Provider Identifier (NPI) is 1982660288, issued by NPPES.
Does Dr. Thomas Sequist accept Medicare assignment?
Yes. Dr. Thomas Sequist accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Sequist commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.