Mariusz Milejczyk, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036093940 Issued in IL

Practice address

1880 W Winchester Rd Ste 106
Libertyville, IL 60048-5321

Phone

(847) 367-4277

Fax

(847) 810-0287

NPI assigned

Jan 29, 2007

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

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

Internal Medicine

Education

Other, 1990

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Hospital & facility affiliations

• Vita Health Care, Inc Home health agency, Northbrook, IL, CCN 148153
• Northshore University Healthsystem - Evanston Hospital Hospital, Evanston, IL, CCN 140010
• Northwestern Lake Forest Hospital Hospital, Lake Forest, IL, CCN 140130
• Advocate Condell Medical Center Hospital, Libertyville, IL, CCN 140202

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Lake County Internal Medicine Associates, LLC

  • Internal Medicine Physician
  • Long Grove, IL
  • NPI 1154686525
  Medicare reassignment NPD Authorized official
• Lake County Internal Medicine Association LLC

  • Legal Medicine
  • Long Grove, IL
  • NPI 1265833958
  NPD (past) Authorized official

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

• Advocate Condell Medical Center

  • Mobile Mammography Clinic/Center
  • Gurnee, IL
  • NPI 1023262441

  Hospital

  Care Compare affiliation
• Advocate Condell Medical Center

  • General Acute Care Hospital
  • Libertyville, IL
  • NPI 1124272547
  Care Compare affiliation
• Advocate Condell Medical Center

  • Mobile Mammography Clinic/Center
  • Grayslake, IL
  • NPI 1770737199

  Hospital

  Care Compare affiliation
• Endeavor Health Clinical Operations

  • General Acute Care Hospital
  • Evanston, IL
  • NPI 1184670549
  Care Compare affiliation
• Northwestern Lake Forest Hospital

  • General Acute Care Hospital
  • Lake Forest, IL
  • NPI 1124025176
  Care Compare affiliation
• Vita Health Care S.C.

  • Home Health Agency
  • Northbrook, IL
  • NPI 1790113496
  Care Compare affiliation

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

{
    "created_epoch": "1170028800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1735257600000",
    "number": "1467598235",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15 TOWER CRT 255",
            "city": "GURNEE",
            "state": "IL",
            "postal_code": "60031",
            "telephone_number": "847-623-8818",
            "fax_number": "847-625-8059"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1880 W WINCHESTER RD STE 106",
            "city": "LIBERTYVILLE",
            "state": "IL",
            "postal_code": "600485321",
            "telephone_number": "847-367-4277",
            "fax_number": "847-810-0287"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MILEJCZYK",
        "first_name": "MARIUSZ",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-01-29",
        "last_updated": "2024-12-27",
        "certification_date": "2024-12-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036093940",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Benjamin Michaels, PSYD
• Kathy Michalak, CCC-SLP
• Emily Lauren Michel, MS, MA
• Rannveig Middleton, M.D.
• John Anthony Mihelich, HIS
• Millennium Pain Center of Lake County
• Alissa Miller
• David Benton Miller, LCSW,CADC,MSW,BCD
• Elliot F. Miller, MD
• Rachel L Miller, PT, DPT

• Internal Medicine Physician in Libertyville, IL
• Providers in Libertyville, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 27, 2024; 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.