Karl Michael Napekoski, M.D.

Primary specialty

Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X

License

036.134795 Issued in IL

Practice address

3815 Highland Ave
Downers Grove, IL 60515-1500

Phone

(630) 275-1027

NPI assigned

Apr 19, 2009

Last updated

Apr 23, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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 IL

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

Pathology

Education

Other, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sharon L. Horton, MD, PCGroup PAC ID 6305926015, 4 clinicians

Bielinski Dermatology Group LLCGroup PAC ID 6406868769, 10 clinicians

Suleman J. Bangash D.O.S.C.Group PAC ID 8729165006, 17 clinicians

Dermatology Associates LTDGroup PAC ID 8628027273, 11 clinicians

Dolehide Dermatology, S.C.Group PAC ID 2163848854, 3 clinicians

Midwest Diagnostic Pathology, S.C.Group PAC ID 7911924428, 44 clinicians

Dermatology Associates of Lagrange SCGroup PAC ID 7113830951, 19 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Advocate Good Samaritan Hospital Hospital, Downers Grove, IL, CCN 140288
• Advocate Trinity Hospital Hospital, Chicago, IL, CCN 140048
• Advocate Lutheran General Hospital Hospital, Park Ridge, IL, CCN 140223
• Advocate Christ Hospital & Medical Center Hospital, Oak Lawn, IL, CCN 140208
• Advocate Sherman Hospital Hospital, Elgin, IL, CCN 140030

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/ACEFAA

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.

• Bielinski Dermatology Group, LLC

  dba SkinMD, LLC

  • Dermatology Physician
  • Orland Park, IL
  • NPI 1366497554

  Single Specialty

  Medicare reassignment Care Compare group NPD
• Dermatology Associates LTD

  • Specialist
  • Tinley Park, IL
  • NPI 1497968945

  Single Specialty

  Medicare reassignment Care Compare group NPD
• Dermatology Associates of Lagrange SC

  • Dermatology Physician
  • La Grange Highlands, IL
  • NPI 1780795856

  Single Specialty

  Medicare reassignment Care Compare group NPD
• Dolehide Dermatology, S.C.

  • Dermatology Physician
  • New Lenox, IL
  • NPI 1003425836

  Single Specialty

  Medicare reassignment Care Compare group NPD
• Midwest Diagnostic Pathology SC

  • Anatomic Pathology & Clinical Pathology Physician
  • Park Ridge, IL
  • NPI 1982606380

  Single Specialty

  Medicare reassignment Care Compare group NPD
• Sharon L. Horton, MD, PC

  dba Advanced Dermatology and Mohs Surgery

  • Dermatology Physician
  • Batavia, IL
  • NPI 1962525154

  Single Specialty

  Medicare reassignment Care Compare group NPD
• Suleman J. Bangash D.O.S.C.

  • MOHS-Micrographic Surgery Physician
  • Elgin, IL
  • NPI 1841469830

  Single Specialty

  Medicare reassignment Care Compare group NPD
• Associated Pathologists and Laboratory Physicians, LLC

  dba Partners in Pathology and Laboratory Medicine, LLC

  • Anatomic Pathology Physician
  • Naperville, IL
  • NPI 1568903565

  Single Specialty

  Medicare reassignment NPD
• Dupage Medical Group LTD

  dba DuPage Medical Group

  • Multi-Specialty Clinic/Center
  • Downers Grove, IL
  • NPI 1801833983

  Single Specialty

  Medicare reassignment NPD
• Dermatology Associates LTD

  • Non-Pharmacy Dispensing Site
  • Palos Heights, IL
  • NPI 1386255123
  NPD
• Dupage Medical Group LTD

  • Durable Medical Equipment & Medical Supplies
  • Glen Ellyn, IL
  • NPI 1760979447
  NPD
• Mohs Surgery &Dermatology

  • Specialist
  • Elgin, IL
  • NPI 1356721591

  Single Specialty

  NPD (past)

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

• Advocate Health and Hospitals Corporation

  dba Advocate Lutheran General Hospital

  • General Acute Care Hospital
  • Park Ridge, IL
  • NPI 1164539730
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate South Suburban Hospital

  • General Acute Care Hospital
  • Hazel Crest, IL
  • NPI 1467560128
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate Christ Medical Center

  • General Acute Care Hospital
  • Oak Lawn, IL
  • NPI 1548375082
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate South Suburban Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1558479212
  Care Compare affiliation
• Advocate Health and Hospitals Corporation

  dba Advocate Good Samaritan Hospital

  • General Acute Care Hospital
  • Downers Grove, IL
  • NPI 1578670543
  Care Compare affiliation
• Advocate Sherman Hospital

  • General Acute Care Hospital
  • Elgin, IL
  • NPI 1629026364
  Care Compare affiliation
• Sherman Hospital

  • Skilled Nursing Facility
  • Elgin, IL
  • NPI 1275584302

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1240099200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776902400000",
    "number": "1235372301",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "145 W BAILEY RD",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605654199",
            "telephone_number": "937-416-8229"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3815 HIGHLAND AVE",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605151500",
            "telephone_number": "630-275-1027"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5201 Willow Springs Rd Ste 430",
            "address_purpose": "LOCATION",
            "city": "LA Grange Highlands",
            "state": "IL",
            "postal_code": "605256538",
            "country_code": "US",
            "telephone_number": "708-482-3213",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NAPEKOSKI",
        "first_name": "KARL",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-04-19",
        "last_updated": "2026-04-23",
        "certification_date": "2026-04-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZD0900X",
            "taxonomy_group": "",
            "desc": "Pathology, Dermatopathology",
            "state": "IL",
            "license": "036.134795",
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "IL",
            "license": "036.134795",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sonia Singh Nain, M.D.
• Najeeb M. Abufarha, DMD, PLLC
• Namaste Wellness Center
• Nancy a. Congdon, M.S., P.C. (The Hearing Care Clinic)
• Nani Internal Med Aco, LLC
• Naper Grove Vision Care, P.C. (Naper Grove Vision Care)
• Ramya Narayanan, M.D.
• Mohammed Nasaruddin, MD
• Alexandra Nicole Nash, DMD
• Nisha Nayak, NP

• Anatomic Pathology & Clinical Pathology Physician in Downers Grove, IL
• Providers in Downers Grove, IL by specialty
• Anatomic Pathology & Clinical Pathology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 23, 2026; 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.