Leslie Chia-Mei Hsu, M.D.
Psychiatry Physician · Portola Valley, CA
Leslie Chia-Mei Hsu, M.D. is a psychiatry physician with a practice address in Portola Valley, California, and NPI 1699846725, issued on Nov 11, 2006. Check the license (California G32250, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Leslie Chia-Mei Hsu
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- G32250 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4370 Alpine RD, Portola Valley, CA 94028
- Phone
- (650) 851-3121
- Enumerated
- Nov 11, 2006
- Record last updated
- Mar 7, 2023
- Entity
- Type 1 · individual
Also registered at 4370 Alpine RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Leslie Chia-Mei Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G32250Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average psychiatry physician in 2024
67 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Aripiprazole11 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.
5 psychiatry physician records list a practice address in Portola Valley
They are 5 of the 84 NPPES records with a practice address in Portola Valley, and 8,673 psychiatry physician records in California.
All 5 in Portola Valley → All 8,673 in California → Every provider in Portola Valley →
Other psychiatry physician records in California
- Nancy Aaen, MDNapa, CA1609816669
- Criselda Abad-Santos, M.D.Woodland Hills, CA1760461826
- Mekabiz Abaian, MDSan Bernardino, CA1891090163
- Brenda Abarca, MDTorrance, CA1407485527
- Pilar Abascal, M.D.Los Angeles, CA1730528191
- Michele Abbasi, M.D.Westlake Village, CA1093940330
- Zohaib AbbasiMartinez, CA1013392224
- Sandy Abdelkedous, MDFresno, CA1306093109
- Nancy Abdelmalak, M.D.Elk Grove, CA1912137498
- Ezzat Abdelmalek, M.DDana Point, CA1992828826
Common questions
What is Leslie Chia-Mei Hsu, M.D.'s NPI number?
Leslie Chia-Mei Hsu, M.D.'s National Provider Identifier (NPI) is 1699846725, issued on Nov 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leslie Chia-Mei Hsu, M.D. located?
The NPPES record lists a practice address at 4370 Alpine RD, Portola Valley, CA, 94028. Phone: (650) 851-3121. Providers update this record themselves, so call before visiting.
How can I verify Leslie Chia-Mei Hsu, M.D.'s license?
NPPES lists California license number G32250, 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 Leslie Chia-Mei Hsu, M.D. prescribe under Medicare Part D?
In 2024, Leslie Chia-Mei Hsu, M.D. had 67 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.