Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pathology

Zoe Warshaw, MD

Works at hospitals in Pittsburgh, PA · Pennsylvania

Summary

Dr. Zoe Warshaw, MD is a pathologist at 1000 Bower Hill Rd, Pittsburgh, PA 15243. Phone: (412) 942-3805. Accepts Medicare assignment. In 2024, Zoe Warshaw had 561 Original Medicare patients and 1,677 services. NPI 1588994735. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Zoe Warshaw, 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 Zoe Warshaw accept Medicare assignment?
Yes. Medicare's clinician data says Zoe Warshaw 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 Zoe Warshaw see?
In 2024, CMS data shows 561 Original Medicare patients and 1,677 services for Zoe Warshaw. This counts Original Medicare only and measures volume, not quality.
What is Zoe Warshaw's NPI number?
1588994735. 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 Zoe Warshaw, 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 patients561
Services billed to Medicare1,677
Different services or procedures37
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)552 services
  2. Special stained specimen slides to examine tissue, each additional procedure (88341)216 services
  3. Cell examination of specimen, selective cellular enhancement technique (88112)160 services
  4. Special stained specimen slides to examine tissue, initial procedure (88342)120 services
  5. Pathology examination of tissue using a microscope, moderately high complexity (88307)83 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 cholesterol75%
  • Arthritis49%
  • Diabetes35%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)35%
  • Anxiety31%

Hospitals where Zoe Warshaw works

Medicare's Facility Affiliation Data lists Zoe Warshaw 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 Zoe Warshaw is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zoe Warshaw as a member of this group (CMS data updated October 2, 2026).

  • Clarke and Company Pathology Inc.4 clinicians in the group

Specialties

Find other Pathology doctors in Pennsylvania →

Other pathologists in Pittsburgh

Clinicians with the same Medicare primary specialty in Pittsburgh, PA — not a recommendation.

All pathologists in Pittsburgh →

Other clinicians in Clarke and Company Pathology Inc.

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

Clinician information

CredentialMD
Medical schoolWest Virginia University School Of Medicine
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588994735
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