Claudia Mai Nguyen, PHD, LPC, NCC

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

LGPC00708 Issued in DC

Practice address

1717 N St NW Ste 1
Washington, DC 20036-2827

Phone

(202) 713-9809

NPI assigned

Aug 17, 2020

Last updated

Feb 20, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in DC

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Mental Health Counselor

Education

Other, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

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.

• Medstar Medical Group II LLC

  • General Practice Physician
  • Baltimore, MD
  • NPI 1184046187

  DC

  Medicare reassignment Care Compare group NPD
• Wellness With Nguyen PLLC

  • Mental Health Counselor
  • Washington, DC
  • NPI 1407709181
  NPD Authorized official
• Medstar Medical Group II LLC

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1376887844
  NPD

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

{
    "created_epoch": "1597622400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771545600000",
    "number": "1932711488",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1717 N ST NW STE 1",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200362827",
            "telephone_number": "202-713-9809"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1717 N ST NW STE 1",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200362827",
            "telephone_number": "202-713-9809"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "CLAUDIA",
        "middle_name": "MAI",
        "name_prefix": "Dr.",
        "credential": "PHD, LPC, NCC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-08-17",
        "last_updated": "2026-02-20",
        "certification_date": "2026-02-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "DC",
            "license": "LGPC00708",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Relindis Ngunkeng, HHA
• Andrew Loc Nguyen
• Benjamin Nguyen
• Brian M Nguyen, M.D.
• Carmela Montero Nguyen, MSN, FNP-BC, NP-C
• Dalena Thuy Tam Nguyen, MD
• Dzuy Tan Nguyen, M.D.
• Hoa Hong L Nguyen, PHARMD
• James Nguyen, MD, M.ED
• Julia Nguyen

• Mental Health Counselor in Washington, DC
• Providers in Washington, DC by specialty
• Mental Health Counselor in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.