Individual provider Active NPI

Omar Dany Nahhas, M.D.

  • Cardiovascular Disease Physician
  • Summit, WI
National Provider Identifier
1154779858
Registry record updated Jun 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
75444-20 Issued in WI
Practice address
36500 Aurora Dr
Summit, WI 53066-4899
Phone
(262) 434-1000
NPI assigned
Jun 3, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 23, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X 11018689A IN
Student in an Organized Health Care Education/Training Program 390200000X 297650 NY
Cardiovascular Disease Physician 207RC0000X 75444-20 WI Primary

Addresses

Primary practice location

36500 Aurora Dr
Summit, WI 53066-4899

Mailing address

PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250

Other practice location 1

1120 W Michigan St
CL 630
Indianapolis, IN 46202-5209
Phone (317) 278-2689

Other practice location 2

950 N 12th St # A-205
Milwaukee, WI 53233-1306
Phone (920) 400-0180

Other practice location 3

1275 York Ave
New York, NY 10065-6007
Phone (212) 639-2000

Other identifiers 1

IdentifierTypeStateIssuer
100317197MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address onahhas307490@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 WI
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
I20250423001469 WI Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 5890088504 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Internal Medicine
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Practice addresses (Care Compare)

36500 Aurora Dr
Summit, WI 53066-4899
Phone (262) 434-5000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
297650NYMDLicensed Practical Nurse
11018689AINMDStudent in an Organized Health Care Education/Training Program

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Advanced Healthcare Inc CurrentSince Oct 30, 2025 Accepting new patients
Aurora Advanced Healthcare, Inc. CurrentSince Oct 30, 2025 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Jun 1, 2025 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Jun 1, 2025 Accepting new patients
Aurora Medical Group, Inc. Past Accepting new patients

Locations

3003 W Good Hope Rd
Glendale, WI 53209
Phone (414) 352-3100

1640 E Sumner St
Hartford, WI 53027
Phone (262) 670-4000

12203 N Corporate Pkwy
Mequon, WI 53092
Phone (262) 387-8200

950 N 12th St
#A205
Milwaukee, WI 53233
Phone (920) 400-0180

1020 N 12th St
Milwaukee, WI 53233
Phone (414) 219-3056

36500 Aurora Dr
Summit, WI 53066
Phone (262) 434-1000

W231N1440 Corporate Ct
Waukesha, WI 53186
Phone (262) 896-6000

Interoperability endpoints

  • Direct secure messaging: onahhas307490@direct.myadvocateaurora.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 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": "1464912000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750636800000",
    "number": "1154779858",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "36500 AURORA DR",
            "city": "SUMMIT",
            "state": "WI",
            "postal_code": "530664899",
            "telephone_number": "262-434-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1120 W Michigan St",
            "address_2": "CL 630",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462025209",
            "country_code": "US",
            "telephone_number": "317-278-2689",
            "fax_number": "317-278-2650",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "950 N 12th St # A-205",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532331306",
            "country_code": "US",
            "telephone_number": "920-400-0180",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1275 York Ave",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100656007",
            "country_code": "US",
            "telephone_number": "212-639-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NAHHAS",
        "first_name": "OMAR",
        "middle_name": "DANY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-06-03",
        "last_updated": "2025-06-23",
        "certification_date": "2025-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "IN",
            "license": "11018689A",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NY",
            "license": "297650",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "WI",
            "license": "75444-20",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100317197",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "onahhas307490@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "36500 Aurora Dr",
            "city": "Summit",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530664899",
            "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": "36500 Aurora Dr",
            "city": "Summit",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530664899",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Summit, WI

Sources for this page

Verify at the official NPI Registry.