Andrea Marie Volkerding, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

2021031985 Issued in MO

Practice address

901 E 5TH St
Washington, MO 63090-3127

Phone

(636) 239-8231

Fax

(636) 390-7365

NPI assigned

Jun 19, 2014

Last updated

Jan 8, 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 2

Addresses

Other names 1

• Andrea Marie Watts Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in PA, IL, MO3 enrollments

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 3

Specialty

HospitalistAlso: Family Practice

Education

University of Cincinnati College of Medicine, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Fairview Heights Medical Group SCGroup PAC ID 6800784083, 448 clinicians

SSM Health Care GroupGroup PAC ID 0143608372, 929 clinicians

Iowa Physicians Clinic Medical FoundationGroup PAC ID 8729992318, 1,254 clinicians

Physician Groups LCGroup PAC ID 3072421254, 526 clinicians

Mercy Clinic Adult Hospitalists - Washington, LLCGroup PAC ID 3577630540, 31 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• SSM Health St Mary's Hospital - St Louis Hospital, Saint Louis, MO, CCN 260091
• Missouri Baptist Medical Center Hospital, Saint Louis, MO, CCN 260108
• Mercy Hospital Washington Hospital, Washington, MO, CCN 260052
• Memorial Hospital Hospital, Belleville, IL, CCN 140185
• SSM Health St Mary's Hospital -Centralia Hospital, Centralia, IL, CCN 140034

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations (25 of 28)

Interoperability endpoints

• Direct secure messaging: avolkerding514550@direct-ehr-ssmhc.com
• Direct secure messaging: avolkerding840611@direct.unitypoint.org

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.

• Fairview Heights Medical Group SC

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1679503668

  IL

  Medicare reassignment Care Compare group NPD
• Mercy Clinic Adult Hospitalists - Washington, LLC

  • Hospitalist Physician
  • Washington, MO
  • NPI 1891943429
  Medicare reassignment Care Compare group NPD
• SSM Health Care Group

  dba SLUCare Physician Group

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1306589544

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Iowa Physicians Clinic Medical Foundation

  dba UnityPoint Clinic

  • General Practice Physician
  • West Des Moines, IA
  • NPI 1366425274

  Family Medicine, IL

  Medicare reassignment Care Compare group NPD
• Physician Groups LC

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1285664268
  Medicare reassignment Care Compare group
• Mercy Clinic Adult Hospitalists - St. Louis, LLC

  • Internal Medicine Physician
  • Saint Louis, MO
  • NPI 1841235108
  Medicare reassignment NPD
• Mercy Clinic Adult Hospitalists- Jefferson, LLC

  • Internal Medicine Physician
  • Festus, MO
  • NPI 1083052492
  Medicare reassignment NPD
• Mercy Hospitals East Communities

  dba Mercy JFK Clinic

  • Clinic/Center
  • Saint Louis, MO
  • NPI 1851431738
  Medicare reassignment NPD
• St Anthonys Physician Organization Hospitalist Services, L.C.

  dba Mercy Clinic South Hospitalists

  • Hospitalist Physician
  • Saint Louis, MO
  • NPI 1407216336
  Medicare reassignment NPD
• Excela Health Physician Practices, Inc

  dba Excela Health Cardiology

  • Cardiovascular Disease Physician
  • Greensburg, PA
  • NPI 1821225202
  Medicare reassignment NPD
• Grinnell Regional Medical Center

  dba Unitypoint Health - Grinnell Professional Services

  • Family Medicine Physician
  • Grinnell, IA
  • NPI 1437663242

  IL

  Medicare reassignment NPD
• Methodist Medical Center of Illinois

  • Rehabilitation Hospital Unit
  • Peoria, IL
  • NPI 1982656575
  Medicare reassignment NPD

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

• Mercy Hospitals East Communities

  dba Mercy Hospital Washington

  • General Acute Care Hospital
  • Washington, MO
  • NPI 1285664177
  Care Compare affiliation
• Missouri Baptist Medical Center

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1487663506
  Care Compare affiliation
• SSM Health Care St. Louis

  dba SSM Health Cardinal Glennon Children's Hospital

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

  dba SSM Health St. Mary's Hospital - St. Louis

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1962572396
  Care Compare affiliation
• Protestant Memorial Medical Center, Inc.

  dba Memorial Hospital

  • General Acute Care Hospital
  • Belleville, IL
  • NPI 1982796181
  Care Compare affiliation
• St Mary's Hospital, Centralia, Illinois

  dba SSM Health St. Mary's Hospital - Centralia

  • General Acute Care Hospital
  • Centralia, IL
  • NPI 1083617245
  Care Compare affiliation

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

{
    "created_epoch": "1403136000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767830400000",
    "number": "1922412717",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "901 E 5TH ST",
            "city": "WASHINGTON",
            "state": "MO",
            "postal_code": "630903127",
            "telephone_number": "636-239-8231",
            "fax_number": "636-390-7365"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "901 E 5TH ST",
            "city": "WASHINGTON",
            "state": "MO",
            "postal_code": "630903127",
            "telephone_number": "636-239-8231",
            "fax_number": "636-390-7365"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "615 S New Ballas Rd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631418221",
            "country_code": "US",
            "telephone_number": "314-251-6339",
            "fax_number": "314-251-4564",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1400 US Highway 61",
            "address_purpose": "LOCATION",
            "city": "Festus",
            "state": "MO",
            "postal_code": "630284100",
            "country_code": "US",
            "telephone_number": "636-933-5337",
            "fax_number": "636-933-8090",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10010 Kennerly Rd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631282106",
            "country_code": "US",
            "telephone_number": "314-525-1328",
            "fax_number": "314-525-1378",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "VOLKERDING",
        "first_name": "ANDREA",
        "middle_name": "MARIE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-06-19",
        "last_updated": "2026-01-08",
        "certification_date": "2026-01-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MO",
            "license": "2021031985",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036147902",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "BJC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "4500 Memorial Dr",
            "city": "Belleville",
            "state": "IL",
            "country_code": "US",
            "postal_code": "62226",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "ANDREA",
            "last_name": "WATTS",
            "middle_name": "MARIE",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Kirtana Viswanathan, MD, MPH
• Dina Marie Vitoux, LCSW
• Lauren Vlasak, MOTR/L
• Vna Homecare, Inc. (TIP Hospice)
• Vna Homecare, Inc. (VNA-TIP HomeCare)
• Brenda Voss, RD LD
• Shayne D Voss
• Marilyn Kay Wade, RD, LD
• Wal-Mart Stores East LP (Walmart Pharmacy 10-0172)
• Wal-Mart Stores, Inc. (Wal-Mart Vision Center 30-0172)

• Family Medicine Physician in Washington, MO
• Providers in Washington, MO by specialty
• Family Medicine Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 8, 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.