Cynthia Chau

Primary specialty

Medical Physician AssistantTaxonomy code 363AM0700X

Practice address

1749 Old Meadow Rd Ste 308
MC Lean, VA 22102-4310

Phone

(703) 452-8616

NPI assigned

Jan 7, 2025

Last updated

Sep 28, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• The Watergate and Burke Allergy & Asthma Centers, PLLC

  • Allergy & Immunology Physician
  • Washington, DC
  • NPI 1174199699
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1736208000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790553600000",
    "number": "1932919503",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1749 OLD MEADOW RD STE 308",
            "city": "MC LEAN",
            "state": "VA",
            "postal_code": "221024310",
            "telephone_number": "703-452-8616"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1749 OLD MEADOW RD STE 308",
            "city": "MC LEAN",
            "state": "VA",
            "postal_code": "221024310",
            "telephone_number": "703-452-8616"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2600 Virginia Ave NW Ste 508",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "DC",
            "postal_code": "200371946",
            "country_code": "US",
            "telephone_number": "202-342-1984",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "19450 Deerfield Avenue, Suite 335",
            "address_purpose": "LOCATION",
            "city": "Leesburg",
            "state": "VA",
            "postal_code": "201766821",
            "country_code": "US",
            "telephone_number": "703-858-3060",
            "fax_number": "703-858-3061",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHAU",
        "first_name": "CYNTHIA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-01-07",
        "last_updated": "2026-09-28",
        "certification_date": "2026-09-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1932919503",
            "state": "VA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "30018733670001",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Megan Chapman, BCBA, LBA
• Puja Suresh Charaipotra, P.T.
• Charles B. Sacks MD PC
• Charlton Ho DDS, PLLC
• Charlton Ho, D.D.S., P.L.L.C.
• Freena Chaudhry
• Ravinder Chawla, M.D.
• Jenica Joyce Chekouras, COTA-L
• Loren Chen, M.D.
• Mei-Ling Wu Chen, M.D.

• Medical Physician Assistant in McLean, VA
• Providers in McLean, VA by specialty
• Medical Physician Assistant in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.