OMAR ATASSI M.D. – NPI #1154380046
Urology

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

Health Care Provider Taxonomy Code for Urology

OMAR ATASSI is an urologist located in NEENAH, WI. NPPES has assigned the NPI number 1154380046 to OMAR ATASSI on March 21, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 208800000X from the Health Care Provider Taxonomy code set, which is classified as Urology.

The NPI profile was last updated on Aug 26, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for OMAR ATASSI below.

NPI Profile for
OMAR ATASSI

NPI Number
1154380046
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
OMAR ATASSI
Credentials
M.D.
Primary location
1265 W AMERICAN DR STE 100
NEENAH, WI 54956
Phone: (920) 886-8979 Fax:
1 Other location(s):
752 N High Point Rd
Madison, WI 53717-2236
Phone: (608) 824-4000
Fax: (608) 824-4671
Mailing address
3 NEENAH CTR
NEENAH, WI 54956-3070
Phone: (920) 886-8979 Fax:
Sole Proprietor
No
Updated
Certification Date
Aug 26, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for OMAR ATASSI

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
medicaidWI1154380046
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
208800000X
- Urology (Primary)		 WI 37516-020

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

View All Endpoint(s)
Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
OTHER
Affiliation
N
Endpoint Location
752 N HIGH POINT RD,
MADISON, WI 77025-1669
Endpoint
https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/
Endpoint type
FHIR URL
Endpoint Description
Content Type
OTHER
Affiliation
N
Endpoint Location
752 N HIGH POINT RD,
MADISON, WI 77025-1669

Additional Information

Education
LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE - Graduated 1990
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
OMAR ATASSI is affiliated with the following medical group(s):
  • HOSPITAL
    • ASCENSION NE WISCONSIN - ST ELIZABETH CAMPUS
      1506 S ONEIDA ST
      APPLETON, WI 54915
    • THEDACARE MEDICAL CENTER-WAUPACA
      800 RIVERSIDE DRIVE
      WAUPACA, WI 54981
    • THEDACARE REGIONAL MED CTR - NEENAH
      130 2ND ST
      NEENAH, WI 54956
    • THEDACARE REGIONAL MEDICAL CENTER - APPLETON INC
      1818 N MEADE ST
      APPLETON, WI 54911

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How do I correct or change the NPI data displayed here?
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Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.