Clark L Williams, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

42618 Issued in WI

Practice address

507 S Monroe St
Lancaster, WI 53813-2054

Phone

(608) 723-2143

NPI assigned

Jul 10, 2006

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 WI, IA2 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 2

Specialty

Emergency Medicine

Education

University of Wisconsin School of Medicine, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Finley HospitalGroup PAC ID 5092622944, 84 clinicians

Grant Regional Health Center IncGroup PAC ID 9638079445, 36 clinicians

Central Community HospitalGroup PAC ID 1052206372, shared by 5 NPIs, 16 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Grant Regional Health Center Hospital, Lancaster, WI, CCN 521322
• Mercyone Elkader Medical Center Hospital, Elkader, IA, CCN 161319
• Finley Hospital Hospital, Dubuque, IA, CCN 160117

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/0e14dd7a-54b5-4e15-8bd7-0053cd69b1ac/
• Direct secure messaging: cwilliams3962680@direct.trinity-health.org
• Direct secure messaging: cwilliams847540@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 and National Provider Directory roles.

• Grant Regional Health Center, Inc.

  • Critical Access Hospital
  • Lancaster, WI
  • NPI 1255339867
  Medicare reassignment Care Compare group NPD
• The Finley Hospital

  dba UnityPoint Clinic

  • Family Medicine Physician
  • Dubuque, IA
  • NPI 1073560462
  Medicare reassignment Care Compare group NPD
• Central Community Hospital

  dba MercyOne Elkader Medical Center

  • Critical Access Hospital
  • Elkader, IA
  • NPI 1184645434
  Medicare reassignment NPD
• Central Community Hospital

  dba MercyOne Elkader Medical Center

  • Surgery Physician
  • Elkader, IA
  • NPI 1578600961

  Emergency Medicine

  Medicare reassignment NPD
• Spencer Municipal Hospital

  dba Milford Family Care

  • Clinic/Center
  • Milford, IA
  • NPI 1396732186
  Medicare reassignment NPD
• Grant Regional Health Center, Inc

  dba Grant Regional Community Clinic

  • Rural Health Clinic/Center
  • Lancaster, WI
  • NPI 1356776710
  NPD
• Grant Regional Health Center, Inc

  dba Grant Regional Community Clinic- Fennimore

  • Family Medicine Physician
  • Fennimore, WI
  • NPI 1659060077
  NPD
• Central Community Hospital

  dba MercyOne Elkader Family Medicine

  • Rural Health Clinic/Center
  • Elkader, IA
  • NPI 1952986010
  NPD
• Spencer Municipal Hospital

  dba Hartley Family Care of Spencer Hospital

  • Clinic/Center
  • Hartley, IA
  • NPI 1225767338
  NPD
• Spencer Municipal Hospital

  • Rural Acute Care Hospital
  • Spencer, IA
  • NPI 1255328621
  NPD
• Spencer Municipal Hospital

  dba Iowa Spine Care

  • Orthopaedic Surgery Physician
  • Spencer, IA
  • NPI 1316432826
  NPD
• St Luke's Methodist Hospital

  • General Acute Care Hospital
  • Cedar Rapids, IA
  • NPI 1083708226
  NPD

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

• Grant Regional Health Center, Inc.

  • Critical Access Hospital
  • Lancaster, WI
  • NPI 1255339867
  Care Compare affiliation
• Central Community Hospital

  dba MercyOne Elkader Medical Center

  • Critical Access Hospital
  • Elkader, IA
  • NPI 1184645434
  Care Compare affiliation
• The Finley Hospital

  dba Unitypoint Health - Finley Hosptial

  • General Acute Care Hospital
  • Dubuque, IA
  • NPI 1942392600
  Care Compare affiliation

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

{
    "created_epoch": "1152489600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1725321600000",
    "number": "1710911417",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "507 S MONROE ST",
            "city": "LANCASTER",
            "state": "WI",
            "postal_code": "538132054",
            "telephone_number": "608-723-2143"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "507 S MONROE ST",
            "city": "LANCASTER",
            "state": "WI",
            "postal_code": "538132054",
            "telephone_number": "608-723-2143"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "CLARK",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-10",
        "last_updated": "2024-09-03",
        "certification_date": "2024-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IA",
            "license": "37010",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WI",
            "license": "42618",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ronald Joseph White, DO
• Whitty Chiropractic, Inc.
• David Michael Whitty, D.C.
• Mallory Wieland
• Betsy Lynn Williams, MS CCC-SLP
• Sharla R Williams
• Wilson Chiropractic Wellness Center LLC
• Joshua J Wilson, DC
• Laura Winkelman
• Morgan Winkler

• Emergency Medicine Physician in Lancaster, WI
• Providers in Lancaster, WI by specialty
• Emergency Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 3, 2024; 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.