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Pathology

Harry F. Moussouris, MD

Works at hospitals in Brooklyn, NY · New York

Summary

Dr. Harry F. Moussouris, MD is a pathologist at 1545 Atlantic Ave, Brooklyn, NY 11213. Phone: (718) 613-4000. Accepts Medicare assignment. In 2024, Harry F. Moussouris had 94 Original Medicare patients and 372 services. NPI 1629064084. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Pathologist (Medicare lists Pathology)
  • Address: 1545 Atlantic Ave, Brooklyn, NY 11213 · Directions
  • Phone: (718) 613‑4000
  • Medicare: Accepts Medicare assignment
  • Hospital: Brookdale Hospital Medical Center
  • Group practice: Interfaith Professional Physician Services PC
  • Medical school: graduated 1975 (51 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Harry F. Moussouris, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Harry F. Moussouris accept Medicare assignment?
Yes. Medicare's clinician data says Harry F. Moussouris accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Harry F. Moussouris see?
In 2024, CMS data shows 94 Original Medicare patients and 372 services for Harry F. Moussouris. This counts Original Medicare only and measures volume, not quality.
What is Harry F. Moussouris's NPI number?
1629064084. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Harry F. Moussouris, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients94
Services billed to Medicare372
Different services or procedures15
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)136 services
  2. Special stained specimen slides to examine tissue, each additional procedure (88341)54 services
  3. Pathology examination of tissue using a microscope, moderately high complexity (88307)46 services
  4. Special stained specimen slides to identify organisms including interpretation and report (88312)42 services
  5. Special stained specimen slides to examine tissue, initial procedure (88342)30 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol74%
  • Diabetes57%
  • Ischemic heart disease43%
  • Arthritis39%
  • Chronic kidney disease39%

Hospitals where Harry F. Moussouris works

Medicare's Facility Affiliation Data lists Harry F. Moussouris at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Harry F. Moussouris is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Harry F. Moussouris as a member of this group (CMS data updated October 2, 2026).

  • Interfaith Professional Physician Services PC384 clinicians in the group

Specialties

Find other Pathology doctors in New York →

Other pathologists in Brooklyn

Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.

All pathologists in Brooklyn →

Other clinicians in Interfaith Professional Physician Services PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1975 (51 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629064084
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians