Thuy Nguyen, M.D.

Primary specialty

Epilepsy PhysicianTaxonomy code 2084E0001X

License

MD2000049 Issued in DC

Practice address

4200 Wisconsin Ave NW Ste 4
Washington, DC 20016-2143

Phone

(202) 243-3400

Fax

(202) 243-3434

NPI assigned

Mar 30, 2016

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in DC

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Merit-based Incentive Payment System (MIPS)

Final score

82.97 of 100Reported as group

Quality

72.87

Promoting interoperability

100

Improvement activities

40

Cost

67.82

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 and National Provider Directory roles.

• MGMC, LLC

  • General Practice Physician
  • Washington, DC
  • NPI 1891797148
  Medicare reassignment NPD
• Medstar Medical Group II LLC

  • General Practice Physician
  • Baltimore, MD
  • NPI 1184046187

  DC

  Medicare reassignment NPD
• Medstar Medical Group II LLC

  • Emergency Medical Services (Emergency Medicine) Physician
  • Washington, DC
  • NPI 1558189712
  NPD
• Medstar Medical Group II LLC

  • General Practice Physician
  • White Plains, MD
  • NPI 1407559081
  NPD
• Medstar Medical Group II LLC

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1376887844
  NPD (past)

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

{
    "created_epoch": "1459296000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773360000000",
    "number": "1043673916",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4200 WISCONSIN AVE NW STE 4",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200162143",
            "telephone_number": "202-243-3400",
            "fax_number": "202-243-3434"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4200 WISCONSIN AVE NW STE 4",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200162143",
            "telephone_number": "202-243-3400",
            "fax_number": "202-243-3434"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "725 Welch Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041601",
            "country_code": "US",
            "telephone_number": "650-497-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "THUY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-03-30",
        "last_updated": "2026-03-13",
        "certification_date": "2026-03-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084E0001X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Epilepsy",
            "state": "DC",
            "license": "MD2000049",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "DC",
            "license": "MD2000049",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tan Thach Nguyen, MD, PHD
• Terry Nguyen, D.O
• Thanh T Nguyen, MD
• Thanh-Nhan Nguyen, PHARMD
• Thuan Nguyen, MD
• Tina Nguyen, MD
• Tina Nguyen, PH.D.
• Tu-Uyen Thi Nguyen, AGACNP
• Van Trung Nguyen, DDS
• Veronica Nguyen, M.D.

• Epilepsy Physician in Washington, DC
• Providers in Washington, DC by specialty
• Epilepsy Physician in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 13, 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.