Individual provider Active NPI

Iclal Ocak, MD

  • Diagnostic Radiology Physician
  • Chicago, IL
National Provider Identifier
1790969400
Registry record updated Jun 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
113000091 Issued in IL
Practice address
5841 S Maryland Ave
Chicago, IL 60637-1443
Phone
(888) 824-0200
NPI assigned
Dec 18, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 16, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 113000091 IL Primary
Diagnostic Radiology Physician 2085R0202X 341173 NY
Diagnostic Radiology Physician 2085R0202X 01094699A IN
Diagnostic Radiology Physician 2085R0202X MD437952 PA

Addresses

Primary practice location

5841 S Maryland Ave
Chicago, IL 60637-1443

Mailing address

150 Harvester Dr Ste 300
Burr Ridge, IL 60527-5965

Other practice location 1

355 E Grand Ave
Chicago, IL 60611-5389
Phone (888) 824-0200

Other practice location 2

10855 Virginia St
Crown Point, IN 46307-0210
Phone (888) 824-0200

Other practice location 3

200 Lothrop St
Suite 3950
Pittsburgh, PA 15213-2536
Phone (412) 647-2273

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address upmchospitals@upmcdirect.com UPMC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
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
I20080109000131 PA Practitioner - Diagnostic Radiology 2567542160 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Chautauqua Medical Practice PCGroup PAC ID 5294920203, 103 clinicians
Allegheny Clinic RadiologyGroup PAC ID 8426364738, 153 clinicians

Practice addresses (Care Compare)

189 E Main St
Westfield, NY 14787-1104
Phone (716) 793-2221

320 E N Ave
Pittsburgh, PA 15212-4756
Phone (412) 359-2459

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Allegheny Clinic Radiology Diagnostic Radiology CurrentSince Oct 1, 2025 Accepting new patients
Regional Health Services Inc CurrentSince Sep 26, 2012 Accepting new patients
University of Pittsburgh Physicians Diagnostic Radiology CurrentSince Feb 17, 2009 Accepting new patients
University of Pittsburgh Physicians Current Accepting new patients

Locations

189 E Main St
Westfield, NY 14787
Phone (716) 326-4921

3406 Peach St
Erie, PA 16508
Phone (814) 877-5381

200 Lothrop St
Ste 3950
Pittsburgh, PA 15213
Phone (412) 647-2273

320 E North Ave
Pittsburgh, PA 15212
Phone (412) 359-3131

200 Lothrop St
Ste 9055
Pittsburgh, PA 15213
Phone (412) 647-4620

4800 Friendship Ave
Pittsburgh, PA 15224
Phone (412) 359-3030

200 Lothrop St
Pittsburgh, PA 15213
Phone (412) 647-3553

2 Hot Metal St
#One
Pittsburgh, PA 15203
Phone (412) 432-5864

Interoperability endpoints

  • Direct secure messaging: iocak283391@uchospital.direct-ci.com
  • Direct secure messaging: iocak1055881@direct.ahn.org

Organizations & group practices 5

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 10

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": "1197936000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781568000000",
    "number": "1790969400",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 HARVESTER DR STE 300",
            "city": "BURR RIDGE",
            "state": "IL",
            "postal_code": "605275965"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5841 S MARYLAND AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606371443",
            "telephone_number": "888-824-0200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "355 E Grand Ave",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606115389",
            "country_code": "US",
            "telephone_number": "888-824-0200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10855 Virginia St",
            "address_purpose": "LOCATION",
            "city": "Crown Point",
            "state": "IN",
            "postal_code": "463070210",
            "country_code": "US",
            "telephone_number": "888-824-0200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 Lothrop St",
            "address_2": "SUITE 3950",
            "address_purpose": "LOCATION",
            "city": "Pittsburgh",
            "state": "PA",
            "postal_code": "152132536",
            "country_code": "US",
            "telephone_number": "412-647-2273",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OCAK",
        "first_name": "ICLAL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-12-18",
        "last_updated": "2026-06-16",
        "certification_date": "2026-06-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IL",
            "license": "113000091",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NY",
            "license": "341173",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IN",
            "license": "01094699A",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "PA",
            "license": "MD437952",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "upmchospitals@upmcdirect.com",
            "affiliation": "Y",
            "affiliationName": "UPMC",
            "address_1": "600 Grant St",
            "address_2": "Floor 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.