Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Omar Atassi, MD

Individual provider Urology Physician · NPI 1154380046

Dr. Omar Atassi, MD is an Urology in Neenah, Wisconsin. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1990, 36 years ago. Practices with Thedacare, Incorporated, a 654-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
36
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1265 W American Dr Ste 100
Neenah, WI 54956
Phone: (920) 886-8979
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 752 N High Point Rd, Madison, WI 53717-2236 — (608) 824-4000

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 37516-020 (WI)

Record details

NPI number1154380046
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2006
Last updated in NPPESAugust 26, 2025
Certification dateAugust 26, 2025
Mailing address3 Neenah Ctr, Neenah, WI 54956-3070

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyUROLOGY
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Thedacare, Incorporated — 654 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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