Dr. Omar Atassi, MD

  • Neenah, WI
  • Urologist
NPI1154380046PAC ID7517862642
Medicare services, 2024
1,879
Medicare patients, 2024
154
Part D claims, 2024
1,011
Publications
1
Hospital affiliations
2
Practice address
3 Neenah Ctr, Neenah, WI 54956
Practice phone
Call (920) 830-5900
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Thedacare Physicians

Neenah, Wisconsin

See all 15 affiliations

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Dr. Omar Atassi is a urologist in Neenah, Wisconsin

Dr. Atassi practices at Thedacare Physicians in Neenah, Wisconsin.

Dr. Atassi's NPI, 1154380046, was assigned on March 21, 2006. Dr. Atassi graduated from Loyola University Chicago Stritch School of Medicine in 1990. Dr. Atassi's Wisconsin license number on file is 37516-020.

NPI and contact details
Medicare PAC ID
7517862642
NPI enumeration date
March 21, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(920) 830-5900
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
62
Medical school graduation
1990

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Omar Atassi practices at Thedacare Physicians in Neenah, Wisconsin

Dr. Atassi's primary practice is Thedacare Physicians, at 3 Neenah Ctr, Neenah, WI 54956 in Winnebago County. The practice phone is (920) 830-5900.

  • Thedacare Physicians
    3 Neenah Ctr, Neenah, WI 54956 · Winnebago CountyPhone(920) 830-5900

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Omar Atassi is affiliated with 6 sites of care and 9 medical groups

Dr. Atassi's primary practice is Thedacare Physicians in Neenah, Wisconsin. Dr. Atassi is also affiliated with ThedaCare Regional Medical Center-Neenah. The medical group on file is SSM Health Dean Medical Group. Dmand AI also links Dr. Atassi to 1 more hospital, 8 medical groups and 3 group practices and clinics, each named with a free account.

See all 15 affiliations for Dr. Atassi

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Omar Atassi's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Atassi practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Thedacare PhysiciansAvailable with a free account
+5 more sites and 8 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Omar Atassi is one of 213 urologists in Wisconsin

Urology is Dr. Atassi's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Atassi is board certified in urology by the American Board of Urology. Dmand AI has Dr. Atassi's licenses on file in 2 states: Wisconsin and Michigan.

Specialties and state licenses

  • Urology, WisconsinPrimaryLicense 37516-020 · 1996 to 2025 · taxonomy 208800000X
  • Michigan license1995 to 1999

Clinical focus

Dmand AI lists bladder disease, enlarged prostate, erectile dysfunction, prostate cancer, testicular dysfunction, urinary endoscopy, urinary tract infection and urine flow blockage among the conditions Dr. Atassi treats.

Urologists near Dr. Atassi

Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.

213urologists in Wisconsin
3urologists in Neenah

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Omar Atassi billed Medicare for 1,879 services in 2024

CMS data shows 1,879 Medicare services from Dr. Atassi across 11 procedure codes in 2024, for 154 Medicare patients. Medicare paid $31,759 for them.

Medicare services, 20241,879
Medicare patients154
Paid by Medicare$31,759
Procedure codes11

Dr. Atassi's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 02024: 1,422
Drugs given in the office
2023: 1722024: 14217%
Office and hospital visits
2023: 922024: 10615%
Surgery
2023: 1382024: 9531%
Lab and pathology
2023: 852024: 7611%
Tests and treatments
2023: 392024: 383%
Imaging
2023: 272024: 0100%

Where Dr. Atassi's Medicare services took place, 2024

  • In an office1,85999%
  • In a facility201%

Dr. Atassi compared with the Wisconsin median for urologists, 2024

  • Dr. Atassi
  • Wisconsin median
Medicare services
1,879vs 5633.3 times
Medicare patients
154vs 28847% below
Part D claims
895vs 55063% above

Medians across 215 urologists in Wisconsin with Dmand AI profiles that report each measure.

Dr. Atassi's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Atassi

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Atassi and other urologists in Wisconsin.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Omar Atassi treated 154 Medicare patients in 2024, average age 76

CMS counts 154 Medicare patients who saw Dr. Atassi in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Atassi's median patient age at 72, with 21% women.

Medicare patients, 2024154
Average age76
Average risk score1.46
Also on Medicaid7%

Dr. Atassi's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Atassi's Medicare patients by sex, 2024

  • Women3120%
  • Men12380%

Chronic conditions among Dr. Atassi's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure68%
  3. Cancer48%
  4. Arthritis37%
  5. Diabetes31%
  6. Ischemic heart disease31%
  7. Atrial fibrillation25%
  8. Mood disorders25%

Share of Medicare patients with each condition. A patient can have several.

Dr. Atassi's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women21%
  • Men78%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Omar Atassi wrote 1,011 Medicare Part D claims in 2024

In 2024, Dr. Atassi wrote 1,011 Medicare Part D claims for 221 patients. 71% of them were for generic drugs. CMS names the drug for 895 of them, across 19 drugs with 11 or more claims each, at $2,256,234 in total drug cost. In 2023, CMS named 1,575 claims across 27 drugs.

Part D claims, 20241,011
Drugs named by CMS19
Total drug cost$2.3M
Part D patients221

Dr. Atassi's Part D claims by kind of drug, 2024

  • Generic715 claims71%
  • Brand-name296 claims29%

Dr. Atassi's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Atassi's Part D claims, 2024

  • Antibiotics5%52 of 1,011 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,5752024: 89543%

Drugs named by CMS: 19 in 2024, 27 in 2023.

See all prescribing by Dr. Atassi

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Omar Atassi takes part in Medicare

Dr. Atassi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Dr. Omar Atassi has 1 publication on record

Dmand AI links 1 paper to Dr. Atassi.

Papers1

Recent publications by Dr. Atassi

See all 1 publications and co-authors

See who Dr. Atassi researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Atassi works with, so you can find a warm path to the right urologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Omar Atassi received $1,788 in industry payments from 2016 to 2025

CMS Open Payments shows 79 general payments to Dr. Atassi from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Astellas Pharma US Inc paid the most, $280.

General payments to Dr. Atassi by program year, 2016 to 2025

General payments to Dr. Atassi by kind, 2016 to 2025

$1.8Kin total
  • Food and beverage$1,76899%
  • Education$201%

Companies that paid Dr. Atassi the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Atassi

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Omar Atassi has 1 award and honors on record

Dmand AI lists 1 award for Dr. Atassi, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Atassi

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Omar Atassi graduated from Loyola University Chicago Stritch School of Medicine

Dr. Atassi graduated from Loyola University Chicago Stritch School of Medicine in 1990.

  1. Medical schoolLoyola University Chicago Stritch School of Medicine
  2. Board certified in urologyAmerican Board of Urology

Source: Dmand AI Professional Profile Data

Dr. Omar Atassi accepts plans from 21 insurance carriers

Dr. Atassi is in network with 21 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • Molina
  • +13 more carriersWith a free account

Plan types Dr. Atassi accepts, by number of carriers

  1. PPO12
  2. HMO9
  3. Medicare9
  4. POS7
  5. EPO4
  6. Medicaid3

Source: Dmand AI Insurance Network Data

Sources for Dr. Omar Atassi's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Omar Atassi

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Omar Atassi's NPI number?

Dr. Omar Atassi's NPI number is 1154380046. It was assigned on March 21, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Omar Atassi?

Dr. Omar Atassi is a urologist in Neenah, Wisconsin. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).

Where does Dr. Omar Atassi practice?

Dr. Atassi practices at 3 Neenah Ctr, Neenah, WI 54956. Dr. Atassi's primary practice is Thedacare Physicians in Neenah, Wisconsin. Dmand AI also links Dr. Atassi to 1 hospital, 8 medical groups and 3 group practices and clinics.

What is Dr. Omar Atassi's office phone number?

The practice phone on file for Dr. Atassi is (920) 830-5900.

What is Dr. Omar Atassi's medical license number?

Dr. Atassi's Wisconsin license number on file is 37516-020, one of the licenses on file in 2 states.

Which states has Dr. Omar Atassi been licensed in?

Dmand AI has state licenses on file for Dr. Atassi in Wisconsin (1996 to 2025) and Michigan (1995 to 1999).

Which hospitals is Dr. Omar Atassi affiliated with?

Dr. Atassi is affiliated with ThedaCare Regional Medical Center-Neenah. Dmand AI links Dr. Atassi to 1 more hospital.

What medical group is Dr. Omar Atassi part of?

Dr. Atassi is linked to SSM Health Dean Medical Group. Dmand AI links Dr. Atassi to 8 more medical groups.

Does Dr. Omar Atassi accept Medicare?

Yes. CMS data shows Dr. Atassi billed Medicare for 1,879 services in 2024, and Dr. Atassi accepts Medicare assignment.

How many Medicare patients does Dr. Omar Atassi see?

CMS counts 154 Medicare patients who saw Dr. Atassi in 2024, with an average age of 76.

Show 8 more questionsShow fewer questions

Is Dr. Omar Atassi board certified?

Yes. Dr. Atassi is board certified in urology by the American Board of Urology.

What services does Dr. Omar Atassi bill to Medicare?

In 2024, Dr. Atassi's most billed Medicare services were medicare temporary code (Q9967), injected or infused drug (J9217) and office visit, established patient (99213).

Where did Dr. Omar Atassi go to medical school?

Dr. Atassi graduated from Loyola University Chicago Stritch School of Medicine in 1990.

What drugs does Dr. Omar Atassi prescribe most?

In 2024 Medicare Part D data, Dr. Atassi's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Xtandi.

Has Dr. Omar Atassi received payments from drug or device companies?

CMS Open Payments shows $1,788 in general payments to Dr. Atassi from 25 companies from 2016 to 2025. The largest total came from Astellas Pharma US Inc.

How long has Dr. Omar Atassi been practicing?

Dr. Atassi graduated from medical school in 1990, 36 years ago.

Does Dr. Omar Atassi do research?

Dmand AI links 1 publication to Dr. Atassi.

What insurance does Dr. Omar Atassi accept?

Dr. Atassi is in network with 21 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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