William Cavanaugh Chapman, MD

Primary specialty

Transplant Surgery PhysicianTaxonomy code 204F00000X

License

2002007882 Issued in MO

Practice address

4921 Parkview PL
Div Surg Transplant, Ste 12B
Saint Louis, MO 63110-1032

Phone

(314) 747-9889

Fax

(314) 361-4197

NPI assigned

Jul 17, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Electronic endpoints 1

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

General Surgery

Education

Medical University of South Carolina College of Medicine, 1984

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• BJC Home Care Services Home health agency, Saint Louis, MO, CCN 267276
• Elara Caring Home health agency, Bridgeton, MO, CCN 267595
• Barnes Jewish Hospital Hospital, Saint Louis, MO, CCN 260032
• Missouri Baptist Medical Center Hospital, Saint Louis, MO, CCN 260108
• Barnes-Jewish West County Hospital Hospital, Creve Coeur, MO, CCN 260162
• Progress West Hospital Hospital, Ofallon, MO, CCN 260219

Merit-based Incentive Payment System (MIPS)

Final score

84.2 of 100Reported as group

Quality

71.6

Promoting interoperability

100

Improvement activities

40

Cost

75.75

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: wchapman151518@direct.carenet.org
• FHIR API: https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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.

• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1134169568
  Medicare reassignment Care Compare group NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1962442475
  NPD
• Barnes Jewish Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1649299827
  NPD (past)
• Ozarks Medical Center

  • General Acute Care Hospital
  • West Plains, MO
  • NPI 1831115641
  NPD (past)

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

• Barnes Jewish Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1649299827
  Care Compare affiliation
• Barnes Jewish West County Hospital

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1831107895
  Care Compare affiliation
• BJC Home Care Services

  • Home Health Agency
  • Saint Louis, MO
  • NPI 1326077199
  Care Compare affiliation
• Missouri Baptist Medical Center

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1487663506
  Care Compare affiliation
• Progress West Healthcare Center

  • General Acute Care Hospital
  • O Fallon, MO
  • NPI 1508938044
  Care Compare affiliation
• Pyramid Home Health, Inc

  • Home Health Agency
  • Bridgeton, MO
  • NPI 1548207475
  Care Compare affiliation

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

{
    "created_epoch": "1153094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744675200000",
    "number": "1790703270",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-747-9889",
            "fax_number": "314-361-4197"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4921 PARKVIEW PL",
            "address_2": "DIV SURG TRANSPLANT, STE 12B",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101032",
            "telephone_number": "314-747-9889",
            "fax_number": "314-361-4197"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAPMAN",
        "first_name": "WILLIAM",
        "middle_name": "CAVANAUGH",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-17",
        "last_updated": "2025-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "MO",
            "license": "2002007882",
            "primary": false
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "MO",
            "license": "2002007882",
            "primary": false
        },
        {
            "code": "204F00000X",
            "taxonomy_group": "",
            "desc": "Transplant Surgery",
            "state": "MO",
            "license": "2002007882",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "206660516",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "4921 Parkview Pl",
            "address_2": "Div Surg Transplant, Ste 12B",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101032",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Morgan Chapman
• Nickie Chapman
• Roxanne Chapman
• Taylor Chapman, PT
• William C Chapman Jr., MD
• Dana Chapnick
• Melissa Chapnick, RD, MS, MPH
• Joel Chappeau, MAC, LPC
• Christopher Lee Chappell, DO
• Lisa G Chappell, PA-C

• Transplant Surgery Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Transplant Surgery Physician in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 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.