Michael Nikolov, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

036092238 Issued in IL

Practice address

1425 N Randall Rd Dept of
Elgin, IL 60123-2300

Phone

(847) 742-9800

NPI assigned

Jan 2, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 4

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IL, FL, AR, AZ, MA, WI, PA7 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 7

Specialty

Anesthesiology

Education

Other, 1985

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lawrence Anesthesia Services LLCGroup PAC ID 4082770136, 127 clinicians

US Anesthesia Partners of Florida IncGroup PAC ID 0345143152, 1,111 clinicians

St Vincent Medical Education and Research Institute IncGroup PAC ID 3870405137, 297 clinicians

Racine Anesthesia Services LLCGroup PAC ID 8628103777, 81 clinicians

Vituity-Wisconsin Anesthesia SCGroup PAC ID 2163968819, 144 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Naples Community Hospital Hospital, Naples, FL, CCN 100018
• Umass Memorial Healthalliance Hospitals Hospital, Leominster, MA, CCN 220001
• Saint Vincent Hospital Hospital, Erie, PA, CCN 390009
• Ascension NE Wisconsin - St Elizabeth Campus Hospital, Appleton, WI, CCN 520009
• Froedtert South Inc. Hospital, Kenosha, WI, CCN 520021

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 32)

Interoperability endpoints

• Direct secure messaging: mnikolov959308@direct.froedtert.com
• Direct secure messaging: mnikolov336453@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.

• Lawrence Anesthesia Services, LLC

  • Anesthesiology Physician
  • Lawrence, MA
  • NPI 1467699918
  Medicare reassignment Care Compare group NPD
• Racine Anesthesia Services, LLC

  • Anesthesiology Physician
  • Mount Pleasant, WI
  • NPI 1467782748
  Medicare reassignment Care Compare group NPD
• St Vincent Medical Education and Research Institute Inc

  • Internal Medicine Physician
  • Erie, PA
  • NPI 1902881477
  Medicare reassignment Care Compare group NPD
• US Anesthesia Partners of Florida Inc.

  • Anesthesiology Physician
  • Maitland, FL
  • NPI 1518910520
  Medicare reassignment Care Compare group NPD
• Vituity-Wisconsin Anesthesia SC

  • Anesthesiology Physician
  • Pleasant Prairie, WI
  • NPI 1821831975
  Medicare reassignment Care Compare group NPD
• Advocate Health and Hospitals Corporation

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment NPD
• Gulf-to-Bay Anesthesiology Associates LLC

  • Anesthesiology Physician
  • Tampa, FL
  • NPI 1720039746
  Medicare reassignment NPD
• Midwest Anesthesia Providers S.C

  • Anesthesiology Physician
  • Saint Louis, MO
  • NPI 1295189082

  IL

  Medicare reassignment NPD
• Northstar Anesthesia of Illinois, LLC

  • Anesthesiology Physician
  • Arlington, TX
  • NPI 1962822395

  IL

  Medicare reassignment NPD
• Advocate Health and Hospitals Corporation

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

  • General Acute Care Hospital
  • Downers Grove, IL
  • NPI 1578670543
  NPD
• Ans Services of Arkansas PA

  • Anesthesiology Physician
  • Fort Smith, AR
  • NPI 1699558387
  NPD

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

• Ascension NE Wisconsin, Inc

  • Ambulatory Surgical Clinic/Center
  • Menasha, WI
  • NPI 1124075536

  Hospital

  Care Compare affiliation
• Ascension NE Wisconsin, Inc

  • General Acute Care Hospital
  • Appleton, WI
  • NPI 1407803638
  Care Compare affiliation
• Froedtert South, Inc.

  • General Acute Care Hospital
  • Pleasant Prairie, WI
  • NPI 1003831132
  Care Compare affiliation
• Naples Community Hospital Inc

  • General Acute Care Hospital
  • Naples, FL
  • NPI 1720085137
  Care Compare affiliation
• Saint Vincent Health Center

  • General Acute Care Hospital
  • Erie, PA
  • NPI 1861435042
  Care Compare affiliation
• Umass Memorial Healthalliance Clinton Hospital Inc

  • General Acute Care Hospital
  • Leominster, MA
  • NPI 1013995133
  Care Compare affiliation
• Umass Memorial Healthalliance Clinton Hospital Inc

  • Psychiatric Hospital Unit
  • Clinton, MA
  • NPI 1285171934
  Care Compare affiliation

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

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    "created_epoch": "1167696000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765929600000",
    "number": "1093872822",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9135 LAKESHORE DIVE",
            "city": "PLEASANT PRAIREI",
            "state": "WI",
            "postal_code": "53158",
            "telephone_number": "708-275-3703"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1425 N RANDALL RD DEPT OF",
            "city": "ELGIN",
            "state": "IL",
            "postal_code": "601232300",
            "telephone_number": "847-742-9800"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1775 Dempster St",
            "address_purpose": "LOCATION",
            "city": "Park Ridge",
            "state": "IL",
            "postal_code": "600681143",
            "country_code": "US",
            "telephone_number": "847-723-2210",
            "fax_number": "847-723-3532",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NIKOLOV",
        "first_name": "MICHAEL",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-02",
        "last_updated": "2025-12-17",
        "certification_date": "2025-12-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WI",
            "license": "84181-20",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "036092238",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "FL",
            "license": "ME155769",
            "primary": false
        }
    ],
    "identifiers": [
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            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036092238 2",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "050075664",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "US DEPT OF LABOR WC",
            "identifier": "131983700",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD",
            "identifier": "0161919966",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mnikolov336453@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1775 Dempster St",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681143",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1775 Dempster St",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681143",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Dale Charles Nickelsen, D.D.S.
• Jon D Nickelsen, DDS
• Souphaphone Bounmythavong Nicksic, CRNA
• Anthony Alvarez Nidea, M.D.
• Eric Nielsen
• Asim Nisar, M.D.
• Nighat Nisar, M.D.
• Nisha Shah
• Dan T. Noerenberg, D.C.
• Alissa B Noeska, APRN

• Anesthesiology Physician in Elgin, IL
• Providers in Elgin, IL by specialty
• Anesthesiology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 17, 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.