Christopher Michael Nguyen, DO

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

2023019628 Issued in MO

Practice address

17298 N Outer 40 Rd Ste 200
Chesterfield, MO 63005-1456

Phone

(314) 529-4900

NPI assigned

Apr 18, 2019

Sex

Male

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 MO

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

Specialty

Internal Medicine

Education

University of North Texas HSC, College of Osteopathic Med, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

SSM Health Care GroupGroup PAC ID 0143608372, 929 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM Health Saint Louis University Hospital Hospital, Saint Louis, MO, CCN 260105
• SSM Health St Mary'S Hospital - St Louis Hospital, Saint Louis, MO, CCN 260091

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/BBJFAD
• Direct secure messaging: cnguyen454270@direct-ehr-ssmhc.com
• Direct secure messaging: cnguyendo44216@direct.utmb.edu

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.

• SSM Health Care Group

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1306589544
  Medicare reassignment Care Compare group NPD
• Gateway Gastroenterology Inc

  • Specialist
  • Chesterfield, MO
  • NPI 1043250400
  NPD
• SSM Health Care Group

  • Dermatopathology Physician
  • Saint Louis, MO
  • NPI 1932844495
  NPD

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

• SSM Health Care St. Louis

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1336387836
  Care Compare affiliation
• SSM Health Care St. Louis

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1962572396
  Care Compare affiliation
• SSM-Sluh Inc

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1942685920
  Care Compare affiliation

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

{
    "created_epoch": "1555545600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785974400000",
    "number": "1649833237",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "17298 N OUTER 40 RD STE 200",
            "city": "CHESTERFIELD",
            "state": "MO",
            "postal_code": "630051456",
            "telephone_number": "314-529-4900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "17298 N OUTER 40 RD STE 200",
            "city": "CHESTERFIELD",
            "state": "MO",
            "postal_code": "630051456",
            "telephone_number": "314-529-4900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "CHRISTOPHER",
        "middle_name": "MICHAEL",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-18",
        "last_updated": "2026-08-06",
        "certification_date": "2026-08-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MO",
            "license": "2023019628",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "T6979",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lindsay Newman, OT
• Carol Elise Newmark, LCSW
• Carly Newton, FNP-C
• Adaoma Vera Ngari Egekeze, MD
• Hong Ngo, FNP-C
• Linda Thi Nguyen, MA, RD, LD
• Julie Ann Nickerson
• Peggy Ann Nicolai, FNP
• Michael R Nieman, RPH
• Peg Elizabeth Niemann, M.A., L.P.C., N.C.C.

• Gastroenterology Physician in Chesterfield, MO
• Providers in Chesterfield, MO by specialty
• Gastroenterology Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 6, 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.