Rani Yau
Family Medicine Physician · Santa Ana, CA
Rani Yau is a family medicine physician with a practice address in Santa Ana, California, and NPI 1538342951, issued on Dec 7, 2007. Check the license (California 20A10131, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rani Yau
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A10131 CA
Self-reported in NPPES; status is on the state search - Practice location
- 800 N Main St, Santa Ana, CA 92701
- Phone
- (714) 456-7002
- Enumerated
- Dec 7, 2007
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20091221000569); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 800 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Refat AhsanStudent in an Organized Health Care Education/Training Program1790623676
- Lynette Anderson, DOFamily Medicine Physician1164674503
- Joanne Azer, D.O.Family Medicine Physician1275822850
- Jacob Beene, MDStudent in an Organized Health Care Education/Training Program1477491363
- Karen Brandeis, F.N.P.Family Nurse Practitioner1336426840
- Karen Bui, MDStudent in an Organized Health Care Education/Training Program1124604954
Verify Rani Yau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10131Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average family medicine physician in 2024
3,568 Medicare Part D claims for 763 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 228 claims were for opioids.
Most prescribed
- Atorvastatin Calcium298 claims
- Rosuvastatin Calcium187 claims
- Amlodipine Besylate160 claims
- Levothyroxine Sodium153 claims
- Lisinopril146 claims
- Losartan Potassium141 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 GroupSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rani Yau among 17,133 family medicine physician records in California
Rani Yau is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2006 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
177 family medicine physician records list a practice address in Santa Ana
They are 177 of the 8,904 NPPES records with a practice address in Santa Ana, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Ana → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lynette Anderson, DOSanta Ana, CA 927011164674503
- Bruno Bucci, M.D.Santa Ana, CA 927011407811250
- James Chau, M.D.Santa Ana, CA 927011285727784
- John Ehum, MDSanta Ana, CA 927011942483409
- Kathryn Larsen, MDSanta Ana, CA 927011598845638
- Tim Le, D.O.Santa Ana, CA 927011366480188
- Amy Leu, D.O.Santa Ana, CA 927011922297712
- Jose Mayorga, MDSanta Ana, CA 927011295925154
Common questions
What is Rani Yau's NPI number?
Rani Yau's National Provider Identifier (NPI) is 1538342951, issued on Dec 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rani Yau located?
The NPPES record lists a practice address at 800 N Main St, Santa Ana, CA, 92701. Phone: (714) 456-7002. Providers update this record themselves, so call before visiting.
How can I verify Rani Yau's license?
NPPES lists California license number 20A10131, 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 Rani Yau prescribe under Medicare Part D?
In 2024, Rani Yau had 3,568 Medicare Part D claims for 763 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.