Doctor profile · Federal record

Dr. Aaron Kesselheim, M.D.

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

  • NPI 1063478626
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
75 Francis St
Boston, MA 021156110
(617) 732-5500
Mailing address
111 Cypress St
Brookline, MA 024456002

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
June 4, 2012
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #223102
Medicaid
MA #2102340

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063478626. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
64
Distinct HCPCS
2
Medicare allowed
$5,142
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 45 28 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 19 15 $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
506
Patients
104
Total drug cost
$10,835
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 70 23 $1,497
Losartan Potassium Generic 49 13 $728
Lisinopril Generic 47 16 $462
Simvastatin Generic 43 14 $641
Hydrochlorothiazide Generic 41 14 $112
Omeprazole Generic 41 12 $2,095
Amlodipine Besylate Generic 36 12 $236
Ibuprofen Generic 30 0 $346
Atenolol Generic 28 0 $458
Metoprolol Succinate Generic 23 0 $825

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Kesselheim's medical specialty?
Dr. Aaron Kesselheim practices Internal Medicine Physician in Boston, MA.
Where does Dr. Aaron Kesselheim practice?
Dr. Aaron Kesselheim practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177325500.
What is Dr. Aaron Kesselheim's NPI?
Dr. Aaron Kesselheim's National Provider Identifier (NPI) is 1063478626, issued by NPPES.
Does Dr. Aaron Kesselheim accept Medicare assignment?
Yes. Dr. Aaron Kesselheim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Kesselheim commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.