Ruixuan Zhang, DO
Family Medicine Physician · Los Altos, CA
Ruixuan Zhang, DO is a family medicine physician with a practice address in Los Altos, California, and NPI 1013544170, issued on Mar 26, 2020. Check the license (California 20A21065, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ruixuan Zhang
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A21065 CA
Self-reported in NPPES; status is on the state search - Practice location
- 370 Distel Cir, Los Altos, CA 94022
- Phone
- (650) 254-5200
- Enumerated
- Mar 26, 2020
- Record last updated
- Aug 25, 2023
- Medicare enrollment
- Enrolled (PECOS I20230815001299); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 370 Distel Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maria-Pilar Bernal, MDChild & Adolescent Psychiatry Physician1649356155
- Bhanu-Rekha Bhaskar, MDInternal Medicine Physician1932273539
- Aimee Blaustein, MDPediatrics Physician1184717233
Verify Ruixuan Zhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A21065Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
272 Medicare Part D claims for 87 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium29 claims
- Amlodipine Besylate21 claims
- Rosuvastatin Calcium13 claims
- Lisinopril-Hydrochlorothiazide11 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
- Sutter Bay Medical FoundationFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruixuan Zhang among 17,133 family medicine physician records in California
Ruixuan Zhang, DO 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 2020, is newer than 88% of them.
- NPI issued2020 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 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).
23 family medicine physician records list a practice address in Los Altos
They are 23 of the 718 NPPES records with a practice address in Los Altos, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Los Altos → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Liane Bacal, M.D.Los Altos, CA 940221518231331
- Romina DavarpanahLos Altos, CA 940221609037472
- Joycellen Floyd, MDLos Altos, CA 940221255423356
- Theresa Gavin, MDLos Altos, CA 940221932291937
- Tina LeungLos Altos, CA 940221053403097
- Irene LinLos Altos, CA 940221427140482
- Margaret Lo, M.D.Los Altos, CA 940221174653992
- Julia Marx, MDLos Altos, CA 940221316039183
Common questions
What is Ruixuan Zhang, DO's NPI number?
Ruixuan Zhang, DO's National Provider Identifier (NPI) is 1013544170, issued on Mar 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ruixuan Zhang, DO located?
The NPPES record lists a practice address at 370 Distel Cir, Los Altos, CA, 94022. Phone: (650) 254-5200. Providers update this record themselves, so call before visiting.
How can I verify Ruixuan Zhang, DO's license?
NPPES lists California license number 20A21065, 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 Ruixuan Zhang, DO prescribe under Medicare Part D?
In 2024, Ruixuan Zhang, DO had 272 Medicare Part D claims for 87 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.