Individual provider Active NPI

Dennis W Prohaska, D. O.

  • Diagnostic Radiology Physician
  • Chicago, IL
National Provider Identifier
1689651010
Registry record updated Jul 15, 2016
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
02004880B Issued in IN
Practice address
1516 S Wabash Ave
Apt 1104
Chicago, IL 60605-2903
Phone
(414) 870-5178
NPI assigned
Dec 28, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 15, 2016

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 1610-023 WI
Physician Assistant 363A00000X 085-002276 IL
Emergency Medicine Physician 207P00000X 085-002276 IL
Diagnostic Radiology Physician 2085R0202X 02004880B IN Primary

Addresses

Primary practice location

1516 S Wabash Ave
Apt 1104
Chicago, IL 60605-2903

Mailing address

1516 S Wabash Ave
Apt 1104
Chicago, IL 60605-2903
Phone (414) 870-5178

Other identifiers 1

IdentifierTypeStateIssuer
41994500MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IN, IL, WI3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20160728002440 IN Practitioner - Interventional RadiologyPractitioner - Diagnostic Radiology 3375526494 Reassigns benefits to 4 organizations
I20190822000191 IL Practitioner - Interventional RadiologyPractitioner - Diagnostic Radiology 3375526494 Reassigns benefits to 6 organizations
I20250903003562 WI Practitioner - Diagnostic Radiology 3375526494 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Chicago College of Osteopathy, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Premier Radiology Wisconsin LLCGroup PAC ID 9537595533, 111 clinicians
Riverside Health SystemGroup PAC ID 3274434717, 202 clinicians
Imaging Associates of Indiana PCGroup PAC ID 1254503345, 293 clinicians
Radiology Associates of Appleton SCGroup PAC ID 6002851862, 31 clinicians
Medical X-Ray Consultants LTDGroup PAC ID 3274447313, 38 clinicians
Centers for Pain Control, IncGroup PAC ID 7416019450, 24 clinicians

Practice addresses (Care Compare)

10180 Washington Ave
Mount Pleasant, WI 53177-1604
Phone (414) 973-7830

105 S 1St St
Willmington, IL 60481-8973
Phone (815) 476-5210

1201 S Main St
Crown Point, IN 46307-8481
Phone (219) 757-6320

1818 N Meade St
Appleton, WI 54911-3454
Phone (920) 358-1520

1930 S Wabash Ave
Unit 2
Chicago, IL 60616-4723
Phone (219) 767-6320

1932 S Wabash Ave
Unit 4
Chicago, IL 60616-4800
Phone (715) 839-4151

2211 Roosevelt Rd
Valparaiso, IN 46383-2748
Phone (219) 476-7246

527 E Wisconsin Ave
Neenah, WI 54956-2966
Phone (920) 358-1520

7770 S Cross Cut TRL
Woodruff, WI 54568-9668
Phone (281) 870-4592

Hospital & facility affiliations

  • Franciscan Health Crown Point Hospital, Crown Point, IN, CCN 150126
  • Riverside Medical Center Hospital, Kankakee, IL, CCN 140186
  • Franciscan Health Munster Hospital, Munster, IN, CCN 150165
  • Franciscan Health Michigan City Hospital, Michigan City, IN, CCN 150015
  • Union Hospital Inc Hospital, Terre Haute, IN, CCN 150023

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
02004880BINMDDiagnostic Radiology Physician
085-002276ILMDPhysician Assistant
1610-023WIMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Imaging Associates of Indiana, PC Diagnostic Radiology CurrentSince Jul 1, 2016 Accepting new patients
Wisconsin Radiology Specialists, S C CurrentSince Dec 4, 2025 Accepting new patients
Riverside Health System CurrentSince Jul 25, 2025 Accepting new patients
Riverside Health System CurrentSince Jul 25, 2025 Accepting new patients
Friedell Clinic, S. C. CurrentSince Jul 16, 2019 Accepting new patients
Medical X-Ray Consultants, LTD Diagnostic Radiology CurrentSince Aug 8, 2025 Accepting new patients
Swedishamerican Hospital CurrentSince Mar 24, 2025 Accepting new patients
Swedishamerican Hospital Physician Assistant CurrentSince Mar 24, 2025 Accepting new patients
Saint Joseph Regional Medical Center, Inc. Physician Assistant CurrentSince Jul 9, 2024 Accepting new patients
Advance Pain & Anesthesia Consultants, PC CurrentSince Jan 29, 2025 Accepting new patients
Radiology Associates of Appleton, S.C. Diagnostic Radiology CurrentSince May 22, 2025 Accepting new patients
Advanced Pain & Anesthesia Consultants, PC CurrentSince Jan 29, 2025 Accepting new patients
Premier Radiology Wisconsin, LLC Diagnostic Radiology CurrentSince Dec 4, 2025 Accepting new patients
Swedishamerican Hospital Current Accepting new patients
Centers for Pain Control, Inc Diagnostic Radiology CurrentSince Oct 17, 2024 Accepting new patients
Centers for Pain Control, Inc Diagnostic Radiology CurrentSince Oct 17, 2024 Accepting new patients
Jackson Park Hospital Foundation Current Accepting new patients
Saint Joseph Regional Medical Center, Inc. CurrentSince Jul 9, 2024 Accepting new patients
Medical Xray Consultants, LTD PastSince May 16, 2021 Accepting new patients
Franciscan Physician Network Past Accepting new patients
Centers for Pain Control Inc. Diagnostic Radiology Past Accepting new patients

Locations (25 of 40)

300 Riverside Dr
Ste 2100
Bourbonnais, IL 60914
Phone (815) 928-9666

7531 S Stony Island Ave
Chicago, IL 60649
Phone (773) 947-7310

190 E Delaware Pl
Chicago, IL 60611
Phone (312) 944-0063

7531 S Stony Island Ave
#251
Chicago, IL 60649

2650 Ridge Ave
Evanston, IL 60201
Phone (847) 570-1206

1 Ingalls Dr
Harvey, IL 60426
Phone (708) 333-2300

1401 E State St
Rockford, IL 61104
Phone (815) 489-4267

6824 Newburg Rd
Rockford, IL 61108
Phone (779) 696-7610

105 S First St
Wilmington, IL 60481
Phone (815) 476-5210

801 S Main St
Clinton, IN 47842
Phone (765) 832-1212

11456 Broadway
Crown Point, IN 46307
Phone (219) 488-0154

1201 S Main St
Crown Point, IN 46307
Phone (219) 738-2100

425 US Highway 30
Ste 400
Dyer, IN 46311
Phone (219) 488-0165

24 Joliet St
Dyer, IN 46311
Phone (219) 864-2237

1701 S Creasy Ln
Lafayette, IN 47905
Phone (765) 502-4400

204 Legacy Plz W
Laporte, IN 46350
Phone (219) 326-7246

3500 Franciscan Way
Michigan City, IN 46360
Phone (219) 852-1524

8865 W 400 N
Michigan City, IN 46360
Phone (219) 871-0833

611 E Douglas Rd
Ste 200
Mishawaka, IN 46545
Phone (574) 272-5347

3212 Hickory Rd
Ste B
Mishawaka, IN 46545
Phone (574) 251-0498

611 E Douglas Rd
Ste 309
Mishawaka, IN 46545
Phone (574) 335-6232

701 Superior Ave
Munster, IN 46321
Phone (219) 922-4200

1928 45th St
Munster, IN 46321
Phone 2194767246 ext. 321

1104 E Grace St
Rensselaer, IN 47978
Phone (219) 866-2026

1606 N 7th St
Terre Haute, IN 47804
Phone (812) 238-7523

Interoperability endpoints

  • Direct secure messaging: dennis.prohaska.1@16383.direct.athenahealth.com
  • Direct secure messaging: dprohaska234038@direct.franciscanalliance.org
  • Direct secure messaging: dprohaska3464352@direct.trinity-health.org
  • Direct secure messaging: dennisprohaska@jph.medalliesdirect.net

Organizations & group practices 21

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.

View all 21

Hospital & facility affiliations 7

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": "1135728000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1468540800000",
    "number": "1689651010",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1516 S WABASH AVE",
            "address_2": "APT 1104",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606052903",
            "telephone_number": "414-870-5178"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1516 S WABASH AVE",
            "address_2": "APT 1104",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606052903",
            "telephone_number": "414-870-5178"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PROHASKA",
        "first_name": "DENNIS",
        "middle_name": "W",
        "credential": "D. O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-28",
        "last_updated": "2016-07-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "1610-023",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085-002276",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "085-002276",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IN",
            "license": "02004880B",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "41994500",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.