Yixi Zhang, M.D.
Internal Medicine Physician · San Jose, CA
Yixi Zhang, M.D. is an internal medicine physician with a practice address in San Jose, California, and NPI 1457709800, issued on May 26, 2016. Check the license (California A166644, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yixi Zhang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A166644 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3535 Ross Ave Ste 100, San Jose, CA 95124
- Phone
- (669) 577-6072
- Enumerated
- May 26, 2016
- Record last updated
- Apr 1, 2023
- Medicare enrollment
- Enrolled (PECOS I20200219001372); may accept Medicare assignment
- Medical or professional school
- Harvard Medical School, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3535 Ross Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Yixi Zhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A166644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
166 Medicare Part D claims for 37 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Vascepa15 claims
- Brimonidine Tartrate14 claims
- Alendronate Sodium12 claims
- Memantine Hcl12 claims
- Pilocarpine Hcl12 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 3 group practices
- Galen Inpatient Physicians PCGreenbrae, CA
- Permanente Medical Group IncSan Rafael, CA
- San Francisco Unified Physicians Group, IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yixi Zhang among 17,696 internal medicine physician records in California
Yixi Zhang, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 79% of them.
- NPI issued2016 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Huma Aziz, M.D.San Jose, CA 951241740390111
- Craig Berlinberg, MDSan Jose, CA 951241447287156
- Jerry Callaway, MDSan Jose, CA 951241780788356
- Rekha Dharmaji, M.DSan Jose, CA 951241437211588
- Sunitha Gubbala, M.D.San Jose, CA 951241992761118
- Shabnam Husain, M.D.San Jose, CA 951241609987577
- Shahe Komshian, M.D.San Jose, CA 951241902917883
- Denise Massey, MDSan Jose, CA 951241487719118
Common questions
What is Yixi Zhang, M.D.'s NPI number?
Yixi Zhang, M.D.'s National Provider Identifier (NPI) is 1457709800, issued on May 26, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Yixi Zhang, M.D. located?
The NPPES record lists a practice address at 3535 Ross Ave Ste 100, San Jose, CA, 95124. Phone: (669) 577-6072. Providers update this record themselves, so call before visiting.
How can I verify Yixi Zhang, M.D.'s license?
NPPES lists California license number A166644, 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 Yixi Zhang, M.D. prescribe under Medicare Part D?
In 2024, Yixi Zhang, M.D. had 166 Medicare Part D claims for 37 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.