Doctor profile · Federal record

Dr. Marcin Imielinski, MD, PHD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Boston, MA

  • NPI 1912167438
  • Accepts Medicare
  • MIPS 84.5 / 100 · 2023
  • 18 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) 726-2967

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Massachusetts #L-237206

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912167438. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
191
Distinct HCPCS
4
Medicare allowed
$8,527
HCPCS Description Services Patients Avg allowed
G0452 Molecular pathology procedure; physician interpretation and report 87 72 $51
88387 Pathologist examination, dissection, and preparation of tissue 64 59 $28
88374 Microscopic genetic analysis of tissue, computer-assisted technology, initial procedure, each multiplex procedure 20 18 $45
88377 Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 20 18 $68

In context: peer comparison

Among 76 peers in this city , average services per provider: 122. This provider delivers 1.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marcin Imielinski's medical specialty?
Dr. Marcin Imielinski practices Anatomic Pathology & Clinical Pathology Physician in Boston, MA.
Where does Dr. Marcin Imielinski practice?
Dr. Marcin Imielinski practices at Massachusetts General Hospital, Boston, MA 02114. Office phone: 6177262967.
What is Dr. Marcin Imielinski's NPI?
Dr. Marcin Imielinski's National Provider Identifier (NPI) is 1912167438, issued by NPPES.
Does Dr. Marcin Imielinski accept Medicare assignment?
Yes. Dr. Marcin Imielinski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marcin Imielinski commonly perform?
Top Medicare-reported procedures in 2023: Molecular pathology procedure; physician interpretation and report (HCPCS G0452); Pathologist examination, dissection, and preparation of tissue (HCPCS 88387); Microscopic genetic analysis of tissue, computer-assisted technology, initial procedure, each multiplex procedure (HCPCS 88374). Source: CMS Medicare Physician & Other Practitioners file.