David Ulaszek, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Practice address

5525 S Pulaski Rd
Chicago, IL 60629-4417

Phone

(773) 585-1955

Fax

(773) 284-5268

NPI assigned

Dec 12, 2005

Last updated

Jul 13, 2026By 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 1

Addresses

Other identifiers 2

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

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Osf Multi-Specialty GroupGroup PAC ID 3678889789, 2,123 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Advocate Home Health Care Serv Home health agency, Oakbrook, IL, CCN 147150
• Osf Little Company of Mary Medical Center Hospital, Evergreen Park, IL, CCN 140179

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Osf Multi-Specialty Group

  • Internal Medicine Physician
  • Peoria, IL
  • NPI 1922445527
  Medicare reassignment Care Compare group NPD
• Pathology Consultants of Chicago, LTD.

  • Anatomic Pathology & Clinical Pathology Physician
  • Chicago, IL
  • NPI 1689690562
  NPD
• Central PA Pharmacy LLC.

  dba patton pharmacy and v&s variety

  • Community/Retail Pharmacy
  • Patton, PA
  • NPI 1578541413
  NPD
• Edna Richard M D

  • Gynecology Physician
  • Chicago, IL
  • NPI 1841405396
  NPD (past)

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

• Ehs Home Health Care Service Inc

  dba Advocate Home Health Services

  • Home Health Agency
  • Oak Brook, IL
  • NPI 1598732075
  Care Compare affiliation
• Osf Healthcare System

  dba OSF Little Company of Mary Medical Center

  • General Acute Care Hospital
  • Evergreen Park, IL
  • NPI 1215572045
  Care Compare affiliation

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

{
    "created_epoch": "1134345600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1215912316",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2525 S MICHIGAN AVE",
            "address_2": "B-390",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606162333",
            "telephone_number": "312-567-6691",
            "fax_number": "312-328-7895"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5525 S PULASKI RD",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606294417",
            "telephone_number": "773-585-1955",
            "fax_number": "773-284-5268"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ULASZEK",
        "first_name": "DAVID",
        "name_prefix": "Mr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-12",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS OF IL",
            "identifier": "01621679",
            "state": "IL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036082090 / 01",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Ozuru Ochu Ukoha, M.D.,
• Ukrianian Village Pharmacy, Inc. (PharmaLife Chicago)
• Dirin Ukwade, MD
• Ukweli Healing & Wellness
• Lawrence J Ulanski II, M.D.
• Ulf Henricsson Sports and Health Clinic
• Nishanth Uli, MD
• Mara Alicia Ulin Cordova, MD
• Alejandra Ullauri, AU.D.
• Kelsey Ulliman, DPT

• Internal Medicine Physician in Chicago, IL
• Providers in Chicago, 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 Jul 13, 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.