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Pathology

Kamyar Khazaeian, MD

Works at hospitals in Fairfax, VA · Falls Church, VA · Leesburg, VA · Virginia

Summary

Dr. Kamyar Khazaeian, MD is a pathologist at 3300 Gallows Rd, Falls Church, VA 22042. Phone: (703) 776-4001. Accepts Medicare assignment. In 2024, Kamyar Khazaeian had 287 Original Medicare patients and 1,155 services. NPI 1245597152. 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 Kamyar Khazaeian, 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 Kamyar Khazaeian accept Medicare assignment?
Yes. Medicare's clinician data says Kamyar Khazaeian 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 Kamyar Khazaeian see?
In 2024, CMS data shows 287 Original Medicare patients and 1,155 services for Kamyar Khazaeian. This counts Original Medicare only and measures volume, not quality.
What is Kamyar Khazaeian's NPI number?
1245597152. 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 Kamyar Khazaeian, 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 patients287
Services billed to Medicare1,155
Different services or procedures22
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)472 services
  2. Pathology examination of tissue using a microscope, moderately high complexity (88307)212 services
  3. Special stained specimen slides to examine tissue, each additional procedure (88341)175 services
  4. Special stained specimen slides to examine tissue, initial procedure (88342)121 services
  5. Cell examination of specimen, selective cellular enhancement technique (88112)31 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 cholesterol75%
  • High blood pressure68%
  • Arthritis44%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)40%
  • Anxiety24%
  • Diabetes22%

Hospitals where Kamyar Khazaeian works

Medicare's Facility Affiliation Data lists Kamyar Khazaeian 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.

  • Inova Fair Oaks HospitalFairfax, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 490101
  • Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490063
  • Inova Loudoun HospitalLeesburg, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490043

Practice locations

Addresses where Kamyar Khazaeian is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kamyar Khazaeian 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 year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245597152
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