Doctor profile · Federal record

Dr. Michael Pfeffer, M.B.B.S.

Hematology (Internal Medicine) Physician (CMS: Hematology) · Student in an Organized Health Care Education/Training Program · Boston, MA

  • NPI 1376074021
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
55 Fruit St
Boston, MA 021142621
(617) 231-9943
Additional location
75 Francis St
Boston, MA 021156106
(617) 732-5500

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
March 5, 2026
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
Massachusetts #1014731

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376074021. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
77
Distinct HCPCS
2
Medicare allowed
$11,080
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 52 42 $142
99215 Established patient office or other outpatient visit, 40-54 minutes 25 23 $147

In context: peer comparison

Among 26 peers in Boston Hematology (Internal Medicine) Physician, average services per provider: 95. This provider delivers 0.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Pfeffer's medical specialty?
Dr. Michael Pfeffer practices Hematology (Internal Medicine) Physician in Boston, MA.
Where does Dr. Michael Pfeffer practice?
Dr. Michael Pfeffer practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6172319943.
What is Dr. Michael Pfeffer's NPI?
Dr. Michael Pfeffer's National Provider Identifier (NPI) is 1376074021, issued by NPPES.
Does Dr. Michael Pfeffer accept Medicare assignment?
Yes. Dr. Michael Pfeffer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Pfeffer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.