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Pathology

Ali H. Alzeer, MD

Works at hospitals in Alexandria, VA · Fairfax, VA · Falls Church, VA … · Virginia

Summary

Dr. Ali H. Alzeer, MD is a pathologist at 3300 Gallows Rd, Falls Church, VA 22042. Phone: (703) 776-4001. Accepts Medicare assignment. In 2024, Ali H. Alzeer had 275 Original Medicare patients and 1,234 services. NPI 1427577402. 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 Ali H. Alzeer, 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 Ali H. Alzeer accept Medicare assignment?
Yes. Medicare's clinician data says Ali H. Alzeer 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 Ali H. Alzeer see?
In 2024, CMS data shows 275 Original Medicare patients and 1,234 services for Ali H. Alzeer. This counts Original Medicare only and measures volume, not quality.
What is Ali H. Alzeer's NPI number?
1427577402. 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 Ali H. Alzeer, 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 patients275
Services billed to Medicare1,234
Different services or procedures24
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Special stained specimen slides to examine tissue, each additional procedure (88341)315 services
  2. Pathology examination of tissue using a microscope, intermediate complexity (88305)302 services
  3. Special stained specimen slides to examine tissue, initial procedure (88342)168 services
  4. Cell examination of specimen, selective cellular enhancement technique (88112)118 services
  5. Pathology examination of tissue using a microscope, moderately high complexity (88307)70 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 cholesterol73%
  • Arthritis57%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)47%
  • Ischemic heart disease41%
  • Diabetes36%

Hospitals where Ali H. Alzeer works

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

Group practices

Medicare enrollment lists Ali H. Alzeer as a member of this group (CMS data updated October 2, 2026).

  • Inova Health Care Services - Pathology49 clinicians in the group

Specialties

Find other Pathology doctors in Virginia →

Other pathologists in Falls Church

Clinicians with the same Medicare primary specialty in Falls Church, VA — not a recommendation.

All pathologists in Falls Church →

Other clinicians in Inova Health Care Services - Pathology

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

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427577402
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