Doctor profile · Federal record

Dr. Michael Mansour, MD, PHD

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

  • NPI 1437285863
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Massachusetts General Hospital, 55 Fruit Street
Boston, MA 02114
(617) 726-2066

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #L-224986

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437285863. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
84
Distinct HCPCS
2
Medicare allowed
$11,551
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 68 21 $127
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $184

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Mansour's medical specialty?
Dr. Michael Mansour practices Internal Medicine Physician in Boston, MA.
Where does Dr. Michael Mansour practice?
Dr. Michael Mansour practices at Massachusetts General Hospital, Boston, MA 02114. Office phone: 6177262066.
What is Dr. Michael Mansour's NPI?
Dr. Michael Mansour's National Provider Identifier (NPI) is 1437285863, issued by NPPES.
Does Dr. Michael Mansour accept Medicare assignment?
Yes. Dr. Michael Mansour accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Mansour commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.