Alexander William Clegg, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

4351050003 Issued in MI

Practice address

615 S Bower St
Greenville, MI 48838-2614

Phone

(866) 542-7910

Fax

(616) 391-3674

NPI assigned

Apr 18, 2022

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in MI, WI2 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, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Emergency Medicine Specialists SC 220 clinicians

Ermed, SC 45 clinicians

Aurora Medical Group, Inc. 3,764 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Aurora St Lukes Medical Center Hospital, Milwaukee, WI, CCN 520138
• West Allis Memorial Hospital Hospital, West Allis, WI, CCN 520139
• Ascension All Saints Hospital Hospital, Racine, WI, CCN 520096

Merit-based Incentive Payment System (MIPS)

Final score

97.48 of 100Reported as group

Quality

89.26

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aclegg428047@direct.myadvocateaurora.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.

• Emergency Medicine Specialists, S.C.

  • Emergency Medicine Physician
  • Milwaukee, WI
  • NPI 1568413524

  Emergency Medicine, WI

  Medicare reassignment Care Compare group NPD
• Ermed, SC

  • Emergency Medicine Physician
  • Milwaukee, WI
  • NPI 1023076296

  Emergency Medicine, WI

  Medicare reassignment Care Compare group NPD
• Ecs Western Michigan PC

  • Emergency Medicine Physician
  • Grand Rapids, MI
  • NPI 1992281000

  Emergency Medicine, MI

  Medicare reassignment NPD
• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378

  WI

  Medicare reassignment NPD
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Oshkosh, WI
  • NPI 1326858044
  NPD
• Aurora Medical Group, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Milwaukee, WI
  • NPI 1659599157
  NPD
• Milwaukee Radiologists LTD

  • Diagnostic Radiology Physician
  • Greenfield, WI
  • NPI 1568564904
  NPD

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

• Ascension All Saints Hospital, Inc

  • General Acute Care Hospital
  • Racine, WI
  • NPI 1639123284

  Hospital

  Care Compare affiliation
• Aurora Health Care Metro, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Cudahy, WI
  • NPI 1235355983

  Hospital

  Care Compare affiliation
• Aurora Health Care Metro, Inc.

  • General Acute Care Hospital
  • Milwaukee, WI
  • NPI 1861447179

  Hospital

  Care Compare affiliation
• West Allis Memorial Hospital, Inc.

  • Clinic/Center
  • West Allis, WI
  • NPI 1235345695

  Hospital

  Care Compare affiliation
• West Allis Memorial Hospital, Inc.

  • General Acute Care Hospital
  • West Allis, WI
  • NPI 1407801640

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1650240000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758153600000",
    "number": "1710620786",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4100 EMBASSY DR SE STE 400",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495462416",
            "telephone_number": "616-975-1845"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "615 S BOWER ST",
            "city": "GREENVILLE",
            "state": "MI",
            "postal_code": "488382614",
            "telephone_number": "866-542-7910",
            "fax_number": "616-391-3674"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CLEGG",
        "first_name": "ALEXANDER",
        "middle_name": "WILLIAM",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-18",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MI",
            "license": "4351050003",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100328464",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "2900 W Oklahoma Ave",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532154330",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "aclegg428047@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2900 W Oklahoma Ave",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532154330",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Adrianna Nichole Chesebro
• Edwina Childs, LPN
• Megan Christensen, PHARMD
• Mel Ciaravino, LLC
• Clay Street Center
• Nicolle Clements, MBBCH
• Kevin Coalter, MD
• Nicholas Comai, LMSW
• Ronald Commans II, RPH
• Commnity Hope Christian Counseling Center

• All providers in Greenville, MI
• Emergency Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 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.