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

Physician Assistant

Kristin A. Ko, PA

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

Summary

Kristin A. Ko, PA is a physician assistant at 1920 Ballenger Ave, Suite 200, Alexandria, VA 22314. Phone: (703) 810-5209. Accepts Medicare assignment. NPI 1558234633. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Kristin A. Ko, 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 Kristin A. Ko accept Medicare assignment?
Yes. Medicare's clinician data says Kristin A. Ko 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.
What is Kristin A. Ko's NPI number?
1558234633. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Kristin A. Ko works

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

Group practices

Medicare enrollment lists Kristin A. Ko as a member of this group (CMS data updated October 2, 2026).

  • Orthovirginia Inc567 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Virginia →

Other physician assistants in Alexandria

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

All physician assistants in Alexandria →

Other clinicians in Orthovirginia Inc

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

Clinician information

CredentialPA
Graduation year2025
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1558234633
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians