Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CYNTHIA CHAU
NPI 1932919503
Physician Assistant - Medical in Mc Lean, VA

Q: What is Cynthia Chau's NPI number?

The NPI number for Cynthia Chau is 1932919503. It was assigned to this individual provider in the NPPES registry on January 7, 2025.

Q: What is Cynthia Chau's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Q: When was this NPI record last updated?

The NPPES record for Cynthia Chau was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 07, 2025

1749 OLD MEADOW RD STE 308, MC LEAN, VA 22102(703) 452-8616 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 28, 2026, Jan 7, 2025 (2 updates tracked since 2025).

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About Cynthia Chau NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CYNTHIA CHAU (NPI 1932919503) is an individual medical provider in Mc Lean, Virginia and active in the NPI registry since January 2025. She maintains a secondary practice location in Washington.

NPPES Registry Identity

NPI1932919503

Entity TypeIndividualFemale

Primary Taxonomy363AM0700X

Provider Legal NameCYNTHIA CHAU

Location Address1749 OLD MEADOW RD STE 308Mc Lean, VA 22102-4310

Mailing Address1749 Old Meadow Rd Ste 308Mc Lean, VA 22102-4310 · (703) 452-8616

Phone(703) 452-8616

Sole ProprietorYes

Enumeration DateJanuary 7, 2025

Last NPPES UpdateJuly 28, 20262 updates tracked since enumeration

NPPES CertifiedJuly 28, 2026

✔ NPI 1932919503 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

1749 OLD MEADOW RD STE 308, Mc Lean, VA 22102

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Secondary Practice Location 1

Location 12600 Virginia Ave NW Ste 508Washington, DC 20037-1946 · Phone (202) 342-1984

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cynthia Chau's NPI number?

The NPI number for Cynthia Chau is 1932919503. It was assigned to this individual provider in the NPPES registry on January 7, 2025.

Where is Cynthia Chau located?

Cynthia Chau practices at 1749 Old Meadow Rd Ste 308, Mc Lean, VA 22102. The listed phone number is (703) 452-8616.

What is Cynthia Chau's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

When was this NPI record last updated?

The NPPES record for Cynthia Chau was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.