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

Last updated

Apr 20, 2025By the provider in NPPES

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

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

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

• Lakeland Hospitals at Niles and St Joseph, Inc

  dba Corewell Health Lakeland Hospitals

  • General Acute Care Hospital
  • Saint Joseph, MI
  • NPI 1134220031
  Medicare reassignment Care Compare group NPD
• Central Dupage Hospital Association

  dba Northwestern Medicine Central Dupage Hospital

  • General Acute Care Hospital
  • Winfield, IL
  • NPI 1003864810
  Medicare reassignment NPD
• Delnor Community Hospital

  dba Northwestern Medicine Delnor Community Hospital

  • General Acute Care Hospital
  • Geneva, IL
  • NPI 1407859655
  Medicare reassignment NPD
• Aurora Medical Group, Inc.

  • Family Medicine Physician
  • Milwaukee, WI
  • NPI 1427271378
  Medicare reassignment NPD
• Graves Gilbert Clinic PLLC

  dba Graves Gilbert Clinic

  • Specialist
  • Bowling Green, KY
  • NPI 1114948288
  Medicare reassignment NPD
• Lakeland Community Hospital Watervliet

  dba Corewell Health Watervliet Hospital Primary Care - Hartford

  • Rural Health Clinic/Center
  • Hartford, MI
  • NPI 1023114741
  Medicare reassignment NPD
• Lakeland Medical Practices

  dba Corewell Health Medical Group South

  • Internal Medicine Physician
  • Saint Joseph, MI
  • NPI 1538397120
  Medicare reassignment NPD
• Providence Health & Services Mt

  dba St Patrick Hospital Rehab

  • Rehabilitation Hospital Unit
  • Missoula, MT
  • NPI 1144319138
  Medicare reassignment NPD
• RCHP Billings - Missoula LLC

  dba Community Physician Group

  • Family Medicine Physician
  • Missoula, MT
  • NPI 1376946913
  Medicare reassignment NPD
• Central Dupage Hospital Association

  dba Northwestern Medicine Central Dupage Hospital

  • Psychiatric Hospital Unit
  • Winfield, IL
  • NPI 1740230895
  NPD
• Winfield Pathology Consultants, S.C.

  • Anatomic Pathology Physician
  • Winfield, IL
  • NPI 1528147071
  NPD
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Oshkosh, WI
  • NPI 1326858044
  NPD

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

• Bowling Green-Warren County Community Hospital Corporation

  dba The Medical Center

  • General Acute Care Hospital
  • Bowling Green, KY
  • NPI 1043293608
  Care Compare affiliation
• Greenview Hospital, Inc.

  dba Tristar Greenview Regional Hospital

  • General Acute Care Hospital
  • Bowling Green, KY
  • NPI 1871547703
  Care Compare affiliation
• Lakeland Hospitals at Niles and St Joseph, Inc

  dba Corewell Health Lakeland Hospitals

  • General Acute Care Hospital
  • Saint Joseph, MI
  • NPI 1134220031
  Care Compare affiliation
• Memorial Hospital of Laramie County

  dba Cheyenne Regional Medical Center

  • General Acute Care Hospital
  • Cheyenne, WY
  • NPI 1285621839
  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": [],
    "endpoints": [],
    "other_names": []
}

• Lyle Skinner LTD.
• Lynnea Therapy Services, PLLC
• 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

• Cardiovascular Disease Physician in Geneva, IL
• Providers in Geneva, IL by specialty
• 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.