An Thuy Hong Nguyen, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

2022038139 Issued in MO

Practice address

621 S New Ballas Rd Ste 560a
Saint Louis, MO 63141-8261

Phone

(314) 251-6440

NPI assigned

Sep 15, 2021

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IL, MO2 enrollments

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 2

Specialty

Physician Assistant

Education

University of Texas Medical Branch at Galveston, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Vituity - Illinois Auc LLPGroup PAC ID 0547516932, 35 clinicians

Mercy Clinic Trauma and General Surgery LLCGroup PAC ID 1658320700, 44 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Hospital St Louis Hospital, Saint Louis, MO, CCN 260020

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: anguyen261852@ewd.direct.hshs.org

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.

• Mercy Clinic Trauma and General Surgery, LLC

  • Trauma Surgery Physician
  • Saint Louis, MO
  • NPI 1699825695
  Medicare reassignment Care Compare group
• Vituity - Illinois Auc LLP

  • Emergency Medicine Physician
  • Effingham, IL
  • NPI 1306334198
  Medicare reassignment Care Compare group
• Mercy Clinic Burn and Plastic Surgery, LLC

  • Plastic and Reconstructive Surgery Physician
  • St. Louis, MO
  • NPI 1912037433
  Medicare reassignment
• Cepamerica Illinois LLP

  • Emergency Medicine Physician
  • Elgin, IL
  • NPI 1912283110
  Medicare reassignment
• Cepamerica Illinois LLP

  • Emergency Medicine Physician
  • Highland, IL
  • NPI 1275032179
  NPD
• Cepamerica Illinois LLP

  • Emergency Medicine Physician
  • Springfield, IL
  • NPI 1871360297
  NPD
• Vituity - Illinois Auc LLP

  • Emergency Medicine Physician
  • O Fallon, IL
  • NPI 1487142022
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Mercy Hospitals East Communities

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1427098169
  Care Compare affiliation
• Mercy Hospitals East Communities

  • Land Ambulance
  • Saint Louis, MO
  • NPI 1881329902

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1631664000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1134899818",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "621 S NEW BALLAS RD STE 560A",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418261",
            "telephone_number": "314-251-6440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "621 S NEW BALLAS RD STE 560A",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418261",
            "telephone_number": "314-251-6440"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1201 S Grand Blvd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631041016",
            "country_code": "US",
            "telephone_number": "314-617-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "AN",
        "middle_name": "THUY HONG",
        "name_prefix": "Ms.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-09-15",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MO",
            "license": "2022038139",
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085008595",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "anguyen261852@ewd.direct.hshs.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CDA/CCD/TXT",
            "address_1": "1 Saint Elizabeth Blvd",
            "city": "O Fallon",
            "state": "IL",
            "country_code": "US",
            "postal_code": "622691099",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Maria Ngo, PHARMD
• Vincent Viet Ngo, M.D.
• Kevin Boniface Ngowi
• Talis Nguyen-Brics, PHARM D.
• An Nguyen
• Brandon Tuan Nguyen, DO
• Dennis Cuu Nguyen, MD
• Dorothy Nguyen
• Gabrielle Nguyen, MED.
• Harrison Hoang Nguyen, DO

• Physician Assistant in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Physician Assistant in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.