Individual provider Active NPI

Timothy David Prajka, DO

  • Family Medicine Physician
  • Chicago, IL
National Provider Identifier
1003445248
Registry record updated Jun 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
036-167259 Issued in IL
Practice address
1715 E 95TH St
Chicago, IL 60617-4708
Phone
(773) 768-4437
Fax
(773) 564-3515
NPI assigned
Apr 8, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 036-167259 IL Primary

Addresses

Primary practice location

1715 E 95TH St
Chicago, IL 60617-4708

Mailing address

PO Box 746715
Atlanta, GA 30374-6715
Phone (773) 768-4437

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address tprajka264254@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20231215002238 IL Practitioner - Family Practice 6709235773 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Midwestern University, Chicago College of Osteopathic Med, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Practice addresses (Care Compare)

1357 W 103Rd St
Adv Med GRP Evergreen
Chicago, IL 60643-2392
Phone (773) 238-0800

Hospital & facility affiliations

  • Advocate Home Health Care Serv Home health agency, Oakbrook, IL, CCN 147150
  • Advocate Christ Hospital & Medical Center Hospital, Oak Lawn, IL, CCN 140208
  • Advocate Trinity Hospital Hospital, Chicago, IL, CCN 140048

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
036-167259ILMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Advocate Health & Hospitals Corp. CurrentSince Oct 20, 2023 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Oct 20, 2023 Accepting new patients
Advocate Health and Hospitals Corporation Current Accepting new patients

Locations

214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160

29373 Network Pl
Chicago, IL 60673

1357 W 103rd St
Chicago, IL 60643
Phone (773) 238-0800

9555 S 52nd Ave
Ste F
Oak Lawn, IL 60453
Phone (708) 422-5700

9555 S 52nd Ave
Oak Lawn, IL 60453
Phone (708) 422-5700

Interoperability endpoints

  • Direct secure messaging: tprajka264254@direct.myadvocateaurora.org

Organizations & group practices 4

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.

Hospital & facility affiliations 5

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

NPI Registry JSON

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

{
    "created_epoch": "1586304000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781481600000",
    "number": "1003445248",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 746715",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303746715",
            "telephone_number": "773-768-4437",
            "fax_number": "773-564-3515"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1715 E 95TH ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606174708",
            "telephone_number": "773-768-4437",
            "fax_number": "773-564-3515"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PRAJKA",
        "first_name": "TIMOTHY",
        "middle_name": "DAVID",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-08",
        "last_updated": "2026-06-15",
        "certification_date": "2026-06-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": "036-167259",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tprajka264254@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1357 W 103rd St",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606432392",
            "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": "1357 W 103rd St",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606432392",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.