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

Thoracic Surgery

Liam P. Ryan, MD

Works at hospitals in Falls Church, VA · Virginia

Summary

Liam P. Ryan, MD (Thoracic Surgery) is listed by Medicare at 1 hospital in Falls Church, VA. NPI 1487845509. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Liam P. Ryan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Thoracic SurgeryPrimary specialty
YesAccepts Medicare assignment
24Years since medical school (graduated 2002)
MaleGender (as listed)
Inova Health Care ServicesGroup practice

Quick answers

Which hospitals does Liam P. Ryan work at?
Medicare's official clinician data lists Liam P. Ryan at 1 hospital: Inova Fairfax Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Liam P. Ryan see patients?
Medicare's clinician data lists 2 practice locations, including Falls Church, VA and Fairfax, VA. Call before your visit to confirm the address.
What is Liam P. Ryan's specialty?
Medicare lists Thoracic Surgery as the primary specialty, and also Cardiac Surgery.
Does Liam P. Ryan accept Medicare assignment?
Yes. Medicare's clinician data says Liam P. Ryan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Liam P. Ryan?
(703) 776-4001, as listed in official Medicare / NPI Registry data.
What is Liam P. Ryan's NPI number?
1487845509. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Liam P. Ryan works

Medicare's Facility Affiliation Data lists Liam P. Ryan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Liam P. Ryan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Liam P. Ryan as a member of this group (CMS data updated 2026-10-02).

  • Inova Health Care Services1,817 clinicians in the group

Specialties

Find other Thoracic Surgery doctors in Virginia →

Other thoracic surgeons in Falls Church

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

All thoracic surgeons in Falls Church →

Clinician information

CredentialMD
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1487845509
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians