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Pathology

Kathryn J. Villa, MD

Works at hospitals in Alexandria, VA · Arlington, VA · Virginia

Summary

Dr. Kathryn J. Villa, MD is a pathologist at 1701 N George Mason Dr, Arlington, VA 22205. Phone: (703) 257-1440. Accepts Medicare assignment. In 2024, Kathryn J. Villa had 818 Original Medicare patients and 3,407 services. NPI 1851507263. 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: 1701 N George Mason Dr, Arlington, VA 22205 · Directions
  • Phone: (703) 257‑1440
  • Medicare: Accepts Medicare assignment
  • Hospitals: Inova Alexandria Hospital, Virginia Hospital Center
  • Group practice: Cary Poropatich MD LLC
  • Medical school: George Washington University School Of Medicine · graduated 2007 (19 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kathryn J. Villa, 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 Kathryn J. Villa accept Medicare assignment?
Yes. Medicare's clinician data says Kathryn J. Villa 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 Kathryn J. Villa see?
In 2024, CMS data shows 818 Original Medicare patients and 3,407 services for Kathryn J. Villa. This counts Original Medicare only and measures volume, not quality.
What is Kathryn J. Villa's NPI number?
1851507263. 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 Kathryn J. Villa, 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 patients818
Services billed to Medicare3,407
Different services or procedures24
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Pathology examination of tissue using a microscope, intermediate complexity (88305)1,421 services
  2. Special stained specimen slides to examine tissue, each additional procedure (88341)369 services
  3. Special stained specimen slides to examine tissue including interpretation and report (88313)357 services
  4. Special stained specimen slides to examine tissue, initial procedure (88342)349 services
  5. Special stained specimen slides to identify organisms including interpretation and report (88312)188 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 pressure73%
  • Arthritis54%
  • Ischemic heart disease31%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)29%
  • Diabetes26%

Hospitals where Kathryn J. Villa works

Medicare's Facility Affiliation Data lists Kathryn J. Villa 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 Alexandria HospitalAlexandria, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490040
  • Virginia Hospital CenterArlington, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490050

Practice locations

Addresses where Kathryn J. Villa is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kathryn J. Villa as a member of this group (CMS data updated October 2, 2026).

  • Cary Poropatich MD LLC7 clinicians in the group

Specialties

Find other Pathology doctors in Virginia →

Other pathologists in Arlington

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

All pathologists in Arlington →

Other clinicians in Cary Poropatich MD LLC

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

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851507263
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