Doctor profile · Federal record

Dr. Anthony Martyniak, M.D.

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

  • NPI 1396703799
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
41 Highland Ave, Winchester Hospital
Winchester, MA 018901446
(781) 756-2319

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 15, 2022
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Massachusetts #223644

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396703799. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,071
Distinct HCPCS
10
Medicare allowed
$192,568
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 1,892 838 $39
88341 Special stained specimen slides to examine tissue, each additional procedure 923 204 $39
88342 Special stained specimen slides to examine tissue, initial procedure 483 305 $40
88313 Special stained specimen slides to examine tissue including interpretation and report 399 194 $13
88312 Special stained specimen slides to identify organisms including interpretation and report 256 162 $28
88344 Special stained specimen slides to examine tissue, each multiplex procedure 206 94 $41
88307 Pathology examination of tissue using a microscope, moderately high complexity 147 80 $88
88360 Microscopic genetic analysis of tumor, manual 117 50 $45
88305 Pathology examination of tissue using a microscope, intermediate complexity 102 63 $39
88304 Pathology examination of tissue using a microscope, moderately low complexity 86 75 $13

In context: peer comparison

Among 1 peers in Winchester Anatomic Pathology & Clinical Pathology Physician, average services per provider: 230. This provider delivers 22× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anthony Martyniak's medical specialty?
Dr. Anthony Martyniak practices Anatomic Pathology & Clinical Pathology Physician in Winchester, MA.
Where does Dr. Anthony Martyniak practice?
Dr. Anthony Martyniak practices at 41 Highland Ave, Winchester, MA 018901446. Office phone: 7817562319.
What is Dr. Anthony Martyniak's NPI?
Dr. Anthony Martyniak's National Provider Identifier (NPI) is 1396703799, issued by NPPES.
Does Dr. Anthony Martyniak accept Medicare assignment?
Yes. Dr. Anthony Martyniak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anthony Martyniak commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.