Doctor profile · Federal record

Dr. Constantin Friedman, MD PHD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · New York, NY

  • NPI 1609191055
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1300 York Ave
New York, NY 100654805
(212) 746-2700

Credentials & registration

NPPES · NUCC
NPI registered
March 2010 — 16 yrs on file
Profile last updated
September 12, 2017
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
New York #269593

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609191055. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,535
Distinct HCPCS
10
Medicare allowed
$671,060
HCPCS Description Services Patients Avg allowed
88112 Cell examination of specimen, selective cellular enhancement technique 2,306 2,220 $66
88342 Special stained specimen slides to examine tissue, initial procedure 591 562 $39
88120 Cell examination of urine, manual 445 439 $726
88344 Special stained specimen slides to examine tissue, each multiplex procedure 283 126 $191
88305 Pathology examination of tissue using a microscope, intermediate complexity 172 73 $41
G0416 Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method 158 158 $415
88344 Special stained specimen slides to examine tissue, each multiplex procedure 128 47 $42
88121 Cell examination of urine, computer-assisted 121 113 $57
G0416 Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method 104 104 $193
88307 Pathology examination of tissue using a microscope, moderately high complexity 96 75 $91

In context: peer comparison

Among 100 peers in this city , average services per provider: 155. This provider delivers 29× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Constantin Friedman's medical specialty?
Dr. Constantin Friedman practices Anatomic Pathology & Clinical Pathology Physician in New York, NY.
Where does Dr. Constantin Friedman practice?
Dr. Constantin Friedman practices at 1300 York Ave, New York, NY 100654805. Office phone: 2127462700.
What is Dr. Constantin Friedman's NPI?
Dr. Constantin Friedman's National Provider Identifier (NPI) is 1609191055, issued by NPPES.
Does Dr. Constantin Friedman accept Medicare assignment?
Yes. Dr. Constantin Friedman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Constantin Friedman commonly perform?
Top Medicare-reported procedures in 2023: Cell examination of specimen, selective cellular enhancement technique (HCPCS 88112); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342); Cell examination of urine, manual (HCPCS 88120). Source: CMS Medicare Physician & Other Practitioners file.