David John Westrich Jr., MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

2025021152 Issued in MO

Practice address

400 1St Capitol Dr Ste 201
Saint Charles, MO 63301-2882

Phone

(636) 669-2332

NPI assigned

Apr 20, 2016

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

Other identifiers 1

Electronic endpoints 2

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

Gastroenterology

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

SSM Medical Group IncGroup PAC ID 6608776299, 565 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM St Joseph Health Center Hospital, Saint Charles, MO, CCN 260005
• SSM St Joseph Hospital West Hospital, Lake Saint Louis, MO, CCN 260200
• SSM Health Saint Louis University Hospital Hospital, Saint Louis, MO, CCN 260105

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dwestrich116995@direct-ehr-ssmhc.com

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 Medical Group, Inc.

  • Multi-Specialty Clinic/Center
  • Fenton, MO
  • NPI 1700966207

  Gastroenterology

  Medicare reassignment Care Compare group NPD
• Ambulatory Anesthesia Services of St. Charles, LLC

  • Anesthesiology Physician
  • Saint Peters, MO
  • NPI 1467634097
  Medicare reassignment NPD
• SSM Medical Group Inc.

  • Durable Medical Equipment & Medical Supplies
  • Warrenton, MO
  • NPI 1467997155
  NPD
• SSM Health Care St. Louis

  • Emergency Medicine Physician
  • Saint Charles, MO
  • NPI 1427002922
  NPD (past)
• Lima Memorial Joint Operating Company

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)

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

• SSM Health Care St. Louis

  • General Acute Care Hospital
  • Saint Charles, MO
  • NPI 1467521146
  Care Compare affiliation
• SSM Health Care St. Louis

  • General Acute Care Hospital
  • Lake St Louis, MO
  • NPI 1871665380
  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": "1461110400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753401600000",
    "number": "1679927230",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 955534",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631955534"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 1ST CAPITOL DR STE 201",
            "city": "SAINT CHARLES",
            "state": "MO",
            "postal_code": "633012882",
            "telephone_number": "636-669-2332"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "410 W 10th Ave Fl 2",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432101240",
            "country_code": "US",
            "telephone_number": "614-293-6255",
            "fax_number": "614-293-1456",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WESTRICH",
        "first_name": "DAVID",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-20",
        "last_updated": "2025-07-25",
        "certification_date": "2025-07-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "OH",
            "license": "35145213",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MO",
            "license": "2025021152",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0493806",
            "state": "OH"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dwestrich116995@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "dwestrich116995@direct-ehr-ssmhc.com",
            "address_1": "400 1st Capitol Dr Ste 201",
            "city": "Saint Charles",
            "state": "MO",
            "country_code": "US",
            "postal_code": "633012882",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "400 1st Capitol Dr Ste 201",
            "city": "Saint Charles",
            "state": "MO",
            "country_code": "US",
            "postal_code": "633012882",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jennifer Wesley
• West County Professional Counseling Services LLC
• Constance West, LPC
• Westbury Allergy, P.C.
• Will Westerman, DPT
• Robert Thomas Wheatley
• Wheeler Acupuncture & Functional Wellness
• Robert J Wheeler, DMD
• Catherine Whetsel
• Lisa Whitcomb, RN

• Gastroenterology Physician in Saint Charles, MO
• Providers in Saint Charles, MO by specialty
• Gastroenterology Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 25, 2025; 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.