Lydia Leung, DO
Family Medicine Physician · San Jose, CA
Lydia Leung, DO is a family medicine physician with a practice address in San Jose, California, and NPI 1205531381, issued on Mar 30, 2023. Check the license (California 20A23288, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lydia Leung
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A23288 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 N 1St St, San Jose, CA 95134
- Phone
- (408) 871-3400
- Enumerated
- Mar 30, 2023
- Record last updated
- Aug 5, 2026
- Fax
- (408) 871-3401
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 4150 N 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chia-Ying LeePhysician Assistant1366220162
- Hsing Pao, M.D.Family Medicine Physician1720406549
- Laveena Sehgal, MDFamily Medicine Physician1609513761
- Julianna Youssef, DNP, APRN, FNP-BCFamily Nurse Practitioner1003789439
Verify Lydia Leung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A23288Check 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 family medicine physician in 2024
174 Medicare Part D claims for 48 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium21 claims
- Furosemide16 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.
Lydia Leung among 17,133 family medicine physician records in California
Lydia Leung, 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 2023, is newer than 97% of them.
- NPI issued2023 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 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).
265 family medicine physician records list a practice address in San Jose
They are 265 of the 20,925 NPPES records with a practice address in San Jose, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Jose → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Phung Doan, M.D.San Jose, CA 951341477507218
- Joy Herman, NPSan Jose, CA 951341457126732
- Satthea Khay, DOSan Jose, CA 951341477058980
- Padmapriya Krishnamurthy, M.D.San Jose, CA 951341689787061
- Joseph Mendoza, MDSan Jose, CA 951341952353757
- Hsing Pao, M.D.San Jose, CA 951341720406549
- Laveena Sehgal, MDSan Jose, CA 951341609513761
- Xindi Yin, FNPSan Jose, CA 951341396566659
Common questions
What is Lydia Leung, DO's NPI number?
Lydia Leung, DO's National Provider Identifier (NPI) is 1205531381, issued on Mar 30, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Lydia Leung, DO located?
The NPPES record lists a practice address at 4150 N 1St St, San Jose, CA, 95134. Phone: (408) 871-3400. Providers update this record themselves, so call before visiting.
How can I verify Lydia Leung, DO's license?
NPPES lists California license number 20A23288, 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 Lydia Leung, DO prescribe under Medicare Part D?
In 2024, Lydia Leung, DO had 174 Medicare Part D claims for 48 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.