Physician Profile
Marcin B. Imielinski, MD, PhD practices anatomic & clinical pathology in Boston, MA. Marcin is a 2008 graduate of Perelman School of Med at the University of Pennsylvania. According to Medicare claims data, Marcin cared for 217 Medicare patients across 232 services. The services billed most often include molecular pathology procedure; physician interpretation and report, pathologist examination, dissection, and preparation of tissue, and microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
MASSACHUSETTS GENERAL HOSPITAL 55 FRUIT STREET
Boston, MA 02114
Within Anatomic & Clinical Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Autoimmune & Joint
Blood cancer
Blood chemistry
Blood Disorders
Blood disorders
Cancer & Tumors
Cervical & Women's Health
Cervical Health
Digestive pathology
Digestive System
Hormones
Hormones & Metabolism
Infections
Infectious disease
Kidney & Urinary
Liver pathology
Prostate
Skin
Skin pathology
Urine & kidney
Biopsy & Tissue Testing
Blood chemistry
Cancer & Genetic Testing
Cancer screening
Cardiac testing
Cervical & Women's Health
Fertility testing
Hormone testing
Immunology
Infection & Microbiology Tests
Infectious disease
Inflammation testing
Pathology Consultations
Post-Mortem & Forensic
Routine blood testing
Routine Blood Tests
Specialty Lab Panels
Tissue biopsy
Toxicology
Transfusion testing
Urine testing
232 services · 217 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Molecular pathology procedure; physician interpretation and report | Billing code | G0452 |
84 | As often as other peers in Anatomic & Clinical Pathology |
| Pathologist examination, dissection, and preparation of tissue | Lab test | 88387 |
78 | Too few peers to compare |
| Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure | Lab test | 88377 |
35 | As often as other peers in Anatomic & Clinical Pathology |
| Microscopic genetic analysis of tissue, computer-assisted technology, initial procedure, each multiplex procedure | Lab test | 88374 |
35 | Less often than most peers in Anatomic & Clinical Pathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Imielinski is an anatomic & clinical pathology in Boston, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Imielinski is listed at Massachusetts General Hospital 55 Fruit Street, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 726-2967. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Imielinski's National Provider Identifier is 1912167438. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Imielinski attended Perelman School of Med at the University of Pennsylvania, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
Dr. Imielinski has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Imielinski the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Imielinski. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.