Yu-Lian Chang, M.D.
Family Medicine Physician · Santa Clara, CA
Yu-Lian Chang, M.D. is a family medicine physician with a practice address in Santa Clara, California, and NPI 1942495437, issued on Sep 8, 2007. Check the license (California A96403, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yu-Lian Chang
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A96403 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3466 EL Camino Real, Santa Clara, CA 95051
- Phone
- (408) 554-1400
- Enumerated
- Sep 8, 2007
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (408) 554-1500
- Medicare enrollment
- Enrolled (PECOS I20071113000245); 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 3466 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marisa Leal, PA-CMedical Physician Assistant1285002840
Verify Yu-Lian Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A96403Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average family medicine physician in 2024
2,014 Medicare Part D claims for 275 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Atorvastatin Calcium251 claims
- Lisinopril177 claims
- Losartan Potassium113 claims
- Atenolol97 claims
- Levothyroxine Sodium95 claims
- Amlodipine Besylate87 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
- Permanente Medical Group IncRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yu-Lian Chang among 17,133 family medicine physician records in California
Yu-Lian Chang, M.D. 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
- Graduated1998 · 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).
50 family medicine physician records list a practice address in Santa Clara
They are 50 of the 3,436 NPPES records with a practice address in Santa Clara, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Clara → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Anzaldua, M.D.Santa Clara, CA 950511699822346
- Shailaja Bhatia, M.D.Santa Clara, CA 950511871728691
- Namisha Chotai, M.D.Santa Clara, CA 950511639377872
- Peter Chung, D.OSanta Clara, CA 950511720083694
- Craig Job, M.D.Santa Clara, CA 950511669561585
- Dilshad Kekobad, MDSanta Clara, CA 950511396792511
- Anuradha Kottapalli, MDSanta Clara, CA 950511215975750
- Firozeh Rezvani, MDSanta Clara, CA 950511205913134
Common questions
What is Yu-Lian Chang, M.D.'s NPI number?
Yu-Lian Chang, M.D.'s National Provider Identifier (NPI) is 1942495437, issued on Sep 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Yu-Lian Chang, M.D. located?
The NPPES record lists a practice address at 3466 EL Camino Real, Santa Clara, CA, 95051. Phone: (408) 554-1400. Providers update this record themselves, so call before visiting.
How can I verify Yu-Lian Chang, M.D.'s license?
NPPES lists California license number A96403, 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 Yu-Lian Chang, M.D. prescribe under Medicare Part D?
In 2024, Yu-Lian Chang, M.D. had 2,014 Medicare Part D claims for 275 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.