Donald Hannoun, M.D.
Urology Physician · Valencia, CA
Donald Hannoun, M.D. is a urology physician with a practice address in Valencia, California, and NPI 1417187162, issued on Jul 15, 2009. Check the license (California A108456, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Donald Hannoun
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A108456 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25775 Mcbean Pkwy Ste 202, Valencia, CA 91355
- Phone
- (310) 794-7700
- Enumerated
- Jul 15, 2009
- Record last updated
- Mar 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20130618000720); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 25775 Mcbean Pkwy Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian PengEndocrinology, Diabetes & Metabolism Physician1023637188
- Alan Yaghoubian, MDUrology Physician1922481167
Verify Donald Hannoun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A108456Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average urology physician in 2024
676 Medicare Part D claims for 235 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Tamsulosin Hcl245 claims
- Finasteride127 claims
- Oxybutynin Chloride Er55 claims
- Sulfamethoxazole-Trimethoprim55 claims
- Gemtesa27 claims
- Potassium Citrate Er24 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 99.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
Other urology physician records in California
- David Aaronson, MDOakland, CA1215053129
- Jason Abber, MDPanorama City, CA1356366926
- Marc Abboud, MDLos Alamitos, CA1265096531
- George AbdelsayedAnaheim, CA1568721843
- Garen AbediDowney, CA1285909051
- Jennifer Abidari, MDStanford, CA1811098197
- Sherif Aboseif, MDOxnard, CA1093882995
- Parwiz Abrahimi, M.D., PH.D.Los Angeles, CA1154857613
- Anthony Acquaviva, MDVallejo, CA1457439283
- Theodore Affue, M.D.El Centro, CA1386674000
Common questions
What is Donald Hannoun, M.D.'s NPI number?
Donald Hannoun, M.D.'s National Provider Identifier (NPI) is 1417187162, issued on Jul 15, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Donald Hannoun, M.D. located?
The NPPES record lists a practice address at 25775 Mcbean Pkwy Ste 202, Valencia, CA, 91355. Phone: (310) 794-7700. Providers update this record themselves, so call before visiting.
How can I verify Donald Hannoun, M.D.'s license?
NPPES lists California license number A108456, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donald Hannoun, M.D. prescribe under Medicare Part D?
In 2024, Donald Hannoun, M.D. had 676 Medicare Part D claims for 235 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Donald Hannoun, M.D.'s MIPS final score?
The 2023 MIPS final score is 99.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.