Leo Chiao Hsu, MD
Psychiatry Physician · Cupertino, CA
Leo Chiao Hsu, MD is a psychiatry physician with a practice address in Cupertino, California, and NPI 1679032569, issued on Mar 19, 2019. Check the license (California A178196, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Leo Chiao Hsu
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A178196 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19000 Homestead RD Bldg 2, Cupertino, CA 95014
- Phone
- (408) 366-4400
- Enumerated
- Mar 19, 2019
- Record last updated
- Aug 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20230213001766); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2019
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 19000 Homestead RD Bldg 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nela Cheng, PHARM.D, BCPPPharmacist1417058181
- Victor Corsiglia, PH.D.Clinical Psychologist1902949563
- Michelle Ferrari, MDChild & Adolescent Psychiatry Physician1407920705
- Ana KaralicMarriage & Family Therapist1235303355
- Jeremy Kernion, LCSWClinical Social Worker1902101678
- Caroline Lee, PHDClinical Child & Adolescent Psychologist1487962072
Verify Leo Chiao Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A178196Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average psychiatry physician in 2024
383 Medicare Part D claims for 62 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Sertraline Hcl49 claims
- Trazodone Hcl44 claims
- Gabapentin28 claims
- Mirtazapine26 claims
- Duloxetine Hcl22 claims
- Escitalopram Oxalate18 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 IncSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leo Chiao Hsu among 8,673 psychiatry physician records in California
Leo Chiao Hsu, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 13% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2019 · median 2005 among the 3,295 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 psychiatry physician records list a practice address in Cupertino
They are 15 of the 945 NPPES records with a practice address in Cupertino, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Cupertino → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Smitha AkulaCupertino, CA 950141336522044
- Frederick Delse, M.D.Cupertino, CA 950141285728253
- Leena Khanzode, MDCupertino, CA 950141003993957
- Misao Kusuda, MDCupertino, CA 950141336175561
- Mark McCormick, MDCupertino, CA 950141437236387
- Neha Nirodi, M.D.Cupertino, CA 950141164434148
- Richa Pathak, MDCupertino, CA 950141679749071
- Ioana Popescu, M.D.Cupertino, CA 950141801825435
Common questions
What is Leo Chiao Hsu, MD's NPI number?
Leo Chiao Hsu, MD's National Provider Identifier (NPI) is 1679032569, issued on Mar 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Leo Chiao Hsu, MD located?
The NPPES record lists a practice address at 19000 Homestead RD Bldg 2, Cupertino, CA, 95014. Phone: (408) 366-4400. Providers update this record themselves, so call before visiting.
How can I verify Leo Chiao Hsu, MD's license?
NPPES lists California license number A178196, 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 Leo Chiao Hsu, MD prescribe under Medicare Part D?
In 2024, Leo Chiao Hsu, MD had 383 Medicare Part D claims for 62 beneficiaries; 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.