Zainab Hasan, M.D.
Family Medicine Physician · Yorba Linda, CA
Zainab Hasan, M.D. is a family medicine physician with a practice address in Yorba Linda, California, and NPI 1528407814, issued on Jun 19, 2013. Check the license (California A142945, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Zainab Hasan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A142945 CA
Self-reported in NPPES; status is on the state search - Practice location
- 22550 Savi Ranch Pkwy, Yorba Linda, CA 92887
- Phone
- (714) 685-3520
- Enumerated
- Jun 19, 2013
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170209001682); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 22550 Savi Ranch Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Behzad Alimohammadi, MDNephrology Physician1629156534
- Cecilia Chang, M.D.Pediatrics Physician1780708164
- Leslie Fung, MDObstetrics & Gynecology Physician1811137052
- Sherry GomezRegistered Nurse1205592771
- Anne HookPharmacist1720526684
- Yoonjung Jang, D.O.Family Medicine Physician1447544614
Verify Zainab Hasan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A142945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average family medicine physician in 2024
2,593 Medicare Part D claims for 322 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 52 claims were for opioids.
Most prescribed
- Atorvastatin Calcium177 claims
- Losartan Potassium130 claims
- Levothyroxine Sodium114 claims
- Rosuvastatin Calcium108 claims
- Amlodipine Besylate83 claims
- Lisinopril66 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupYorba Linda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
48 family medicine physician records list a practice address in Yorba Linda
They are 48 of the 748 NPPES records with a practice address in Yorba Linda, and 17,133 family medicine physician records in California.
All 48 in Yorba Linda → All 17,133 in California → Every provider in Yorba Linda →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Zainab Hasan, M.D.'s NPI number?
Zainab Hasan, M.D.'s National Provider Identifier (NPI) is 1528407814, issued on Jun 19, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Zainab Hasan, M.D. located?
The NPPES record lists a practice address at 22550 Savi Ranch Pkwy, Yorba Linda, CA, 92887. Phone: (714) 685-3520. Providers update this record themselves, so call before visiting.
How can I verify Zainab Hasan, M.D.'s license?
NPPES lists California license number A142945, 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 Zainab Hasan, M.D. prescribe under Medicare Part D?
In 2024, Zainab Hasan, M.D. had 2,593 Medicare Part D claims for 322 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.