William J Mackin, M.D.

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

036077645 Issued in IL

Practice address

351 Delnor Dr
Suite 100
Geneva, IL 60134-4220

Phone

(630) 232-0280

Fax

(630) 232-3895

NPI assigned

Sep 27, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Other identifiers 4

Medicare fee-for-service enrollment

Enrolled in IL, MT, WI, MI, KY5 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 5

Specialty

Cardiovascular Disease (Cardiology)

Education

Temple University School of Medicine, 1982

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lakeland Hospitals at Niles and St Joseph IncGroup PAC ID 7517929037, 134 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Cheyenne Regional Medical Center Hospital, Cheyenne, WY, CCN 530014
• Lakeland Hospital, St Joseph Hospital, St Joseph, MI, CCN 230021
• Tristar Greenview Regional Hospital Hospital, Bowling Green, KY, CCN 180124
• The Medical Center (Bowling Green) Hospital, Bowling Green, KY, CCN 180013

Merit-based Incentive Payment System (MIPS)

Final score

95.63 of 100Reported as apm

Quality

88.47

Promoting interoperability

100

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

96.26 of 100Reported as apm

Quality

84.3

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: wmackin3444133@wm.providencedirect.org
• Direct secure messaging: wmackin3217554@epic00.corewelldirect.org
• FHIR API: https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/R4/

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.

• Lakeland Hospitals at Niles and St Joseph, Inc

  • General Acute Care Hospital
  • Saint Joseph, MI
  • NPI 1134220031

  MI

  Medicare reassignment Care Compare group NPD
• Central Dupage Hospital Association

  • General Acute Care Hospital
  • Winfield, IL
  • NPI 1003864810

  IL

  Medicare reassignment NPD
• Delnor Community Hospital

  • General Acute Care Hospital
  • Geneva, IL
  • NPI 1407859655

  IL

  Medicare reassignment NPD
• Aurora Medical Group, Inc.

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

  WI

  Medicare reassignment NPD
• Graves Gilbert Clinic PLLC

  • Specialist
  • Bowling Green, KY
  • NPI 1114948288

  KY

  Medicare reassignment NPD
• Lakeland Community Hospital Watervliet

  • Rural Health Clinic/Center
  • Hartford, MI
  • NPI 1023114741

  MI

  Medicare reassignment NPD
• Lakeland Medical Practices

  • Internal Medicine Physician
  • Saint Joseph, MI
  • NPI 1538397120

  MI

  Medicare reassignment NPD
• Providence Health & Services Mt

  • Rehabilitation Hospital Unit
  • Missoula, MT
  • NPI 1144319138

  MT

  Medicare reassignment NPD
• RCHP Billings - Missoula LLC

  • Specialist
  • Missoula, MT
  • NPI 1376946913

  MT

  Medicare reassignment NPD
• Lakeland Hospitals at Niles and St Joseph, Inc

  • Community Health Clinic/Center
  • Saint Joseph, MI
  • NPI 1184513731
  Care Compare group NPD
• Lakeland Hospitals at Niles and St Joseph, Inc

  • Psychiatric Hospital Unit
  • Saint Joseph, MI
  • NPI 1477640084
  Care Compare group
• Lakeland Hospitals at Niles and St Joseph, Inc

  • Home Health Agency
  • Benton Harbor, MI
  • NPI 1912094525
  Care Compare group

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

• Bowling Green-Warren County Community Hospital Corporation

  • General Acute Care Hospital
  • Bowling Green, KY
  • NPI 1043293608

  Hospital

  Care Compare affiliation
• Greenview Hospital, Inc.

  • General Acute Care Hospital
  • Bowling Green, KY
  • NPI 1871547703

  Hospital

  Care Compare affiliation
• Lakeland Hospitals at Niles and St Joseph, Inc

  • General Acute Care Hospital
  • Saint Joseph, MI
  • NPI 1134220031

  Hospital

  Care Compare affiliation
• Memorial Hospital of Laramie County

  • General Acute Care Hospital
  • Cheyenne, WY
  • NPI 1285621839

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1127779200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745107200000",
    "number": "1215924949",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "351 DELNOR DR",
            "address_2": "SUITE 100",
            "city": "GENEVA",
            "state": "IL",
            "postal_code": "601344220",
            "telephone_number": "630-232-0280",
            "fax_number": "630-232-3895"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "351 DELNOR DR",
            "address_2": "SUITE 100",
            "city": "GENEVA",
            "state": "IL",
            "postal_code": "601344220",
            "telephone_number": "630-232-0280",
            "fax_number": "630-232-3895"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "25 N Winfield rd",
            "address_purpose": "LOCATION",
            "city": "Winfield",
            "state": "IL",
            "postal_code": "601901295",
            "country_code": "US",
            "telephone_number": "630-232-0280",
            "fax_number": "630-232-3895",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3950 Hollywood Rd Ste 110",
            "address_purpose": "LOCATION",
            "city": "Saint Joseph",
            "state": "MI",
            "postal_code": "490859151",
            "country_code": "US",
            "telephone_number": "269-983-3595",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "31 N Saint Joseph Ave",
            "address_purpose": "LOCATION",
            "city": "Niles",
            "state": "MI",
            "postal_code": "491202207",
            "country_code": "US",
            "telephone_number": "269-684-6777",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "500 W Broadway St Ste 320",
            "address_purpose": "LOCATION",
            "city": "Missoula",
            "state": "MT",
            "postal_code": "598024003",
            "country_code": "US",
            "telephone_number": "406-329-5615",
            "fax_number": "406-329-5606",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MACKIN",
        "first_name": "WILLIAM",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-27",
        "last_updated": "2025-04-20",
        "certification_date": "2025-04-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MI",
            "license": "4301053298",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MT",
            "license": "MED-PHYS-COM-143864",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "IL",
            "license": "036077645",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "WI",
            "license": "4761-320",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "IL",
            "license": "036077645",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100298082",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN (INDIVIDUAL)",
            "identifier": "206147058",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN (GROUP)",
            "identifier": "206147",
            "state": "IL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036077645",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

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• Sheena Macgowan, ATC
• Giselle Macias, PHARMD
• Kylie L Mack, PA-C
• Marcia Macy, OT
• Joseph S Madonia, DPT
• Lucia Magarzo, CRNA
• Melissa Mahon, PSY.D.
• Lorina Mahoney

• All providers in Geneva, IL
• Cardiovascular Disease Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 20, 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.