Omar Atassi, M.D.
Urology Physician · Neenah, WI
Omar Atassi, M.D. is a urology physician with a practice address in Neenah, Wisconsin, and NPI 1154380046, issued on Mar 21, 2006. Check the license (Wisconsin 37516-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Omar Atassi
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 37516-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1265 W American Dr Ste 100, Neenah, WI 54956
- Phone
- (920) 886-8979
- Enumerated
- Mar 21, 2006
- Record last updated
- Aug 26, 2025
- Medicaid ID
- 1154380046 WI
- Medicare enrollment
- Enrolled (PECOS I20100219000055); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest urology physician records → All 259 in Wisconsin → Look up another NPI →
Also registered at 1265 W American Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather Beck, APNPFamily Nurse Practitioner1437343761
- Kevin Flynn, M.D.Urology Physician1891174017
- Tait Fors, M.D.Urology Physician1649293358
- Amber Godec, NPNurse Practitioner1952900474
- Emily Hammen, NPNurse Practitioner1265184212
- Daniel Higgins, MDUrology Physician1588607717
Verify Omar Atassi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37516-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average urology physician in 2024
1,011 Medicare Part D claims for 221 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Tamsulosin Hcl246 claims
- Finasteride152 claims
- Xtandi85 claims
- Myrbetriq69 claims
- Nubeqa51 claims
- Solifenacin Succinate48 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $59.87
3 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Thedacare, IncorporatedNeenah, WI
- Wisconsin Institute OF Urology SCAppleton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Omar Atassi among 259 urology physician records in Wisconsin
Omar Atassi, M.D. is one of 259 urology physician records with a practice address in Wisconsin. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 43% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1990 · median 2002 among the 166 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Wisconsin
There are 259 urology physician records in Wisconsin.
All 259 in Wisconsin → Every provider in Neenah → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- John Campbell, MDNeenah, WI 549561407840267
- Kevin Flynn, M.D.Neenah, WI 549561891174017
- Tait Fors, M.D.Neenah, WI 549561649293358
- Daniel Higgins, MDNeenah, WI 549561588607717
- Scott Kolbeck, M.D.Neenah, WI 549561790745925
- Eric Lawatsch, M.D.Neenah, WI 549561033296520
- Joshua Modder, MDNeenah, WI 549561356386270
- Michael Murphy, M.D.Neenah, WI 549561265467393
Common questions
What is Omar Atassi, M.D.'s NPI number?
Omar Atassi, M.D.'s National Provider Identifier (NPI) is 1154380046, issued on Mar 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Omar Atassi, M.D. located?
The NPPES record lists a practice address at 1265 W American Dr Ste 100, Neenah, WI, 54956. Phone: (920) 886-8979. Providers update this record themselves, so call before visiting.
How can I verify Omar Atassi, M.D.'s license?
NPPES lists Wisconsin license number 37516-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Omar Atassi, M.D. prescribe under Medicare Part D?
In 2024, Omar Atassi, M.D. had 1,011 Medicare Part D claims for 221 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.