William Woosuk Yang, MD
Psychiatry Physician · San Jose, CA
William Woosuk Yang, MD is a psychiatry physician with a practice address in San Jose, California, and NPI 1740741172, issued on Mar 28, 2019. Check the license (California A188532, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Woosuk Yang
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A188532 CA
74360 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1887 Monterey Hwy Ste 205, San Jose, CA 95112
- Phone
- (860) 245-9797
- Enumerated
- Mar 28, 2019
- Record last updated
- Jan 29, 2026
- Fax
- (860) 413-0876
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1887 Monterey Hwy Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Norma ArandaRehabilitation Practitioner1548665284
- Kelsey Banes, PHDPsychologist1467938332
- Anthony BravoCase Manager/Care Coordinator1245405646
- Eddie BrownCounselor1619487543
- Catherine ChafeyProfessional Counselor1982498382
- Khanh Dang, LCSWClinical Social Worker1194849505
Verify William Woosuk Yang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A188532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average psychiatry physician in 2024
955 Medicare Part D claims for 92 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Risperidone86 claims
- Sertraline Hcl83 claims
- Olanzapine68 claims
- Quetiapine Fumarate43 claims
- Haloperidol41 claims
- Fluoxetine Hcl38 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.
William Woosuk Yang among 8,673 psychiatry physician records in California
William Woosuk Yang, 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 fileNo · 38% of these records are
- Record last updated2026 · 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).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Jose → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ali Alkoraishi, M.D.San Jose, CA 951121043235849
- Brittany Vasae Burdick, MDSan Jose, CA 951121780181230
- Akash Jaggi, MDSan Jose, CA 951121083173132
- Darryl Lucia, MDSan Jose, CA 951121780783472
- Sir Norman Melancon, MDSan Jose, CA 951121285139600
- Michael Quach, M.D.San Jose, CA 951121255542577
- Paul Tiger, M.D.San Jose, CA 951121821022583
- Nam Tran, MDSan Jose, CA 951121720072895
Common questions
What is William Woosuk Yang, MD's NPI number?
William Woosuk Yang, MD's National Provider Identifier (NPI) is 1740741172, issued on Mar 28, 2019. An NPI identifies a provider in billing; it is not a license.
Where is William Woosuk Yang, MD located?
The NPPES record lists a practice address at 1887 Monterey Hwy Ste 205, San Jose, CA, 95112. Phone: (860) 245-9797. Providers update this record themselves, so call before visiting.
How can I verify William Woosuk Yang, MD's license?
NPPES lists California license number A188532, 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 William Woosuk Yang, MD prescribe under Medicare Part D?
In 2024, William Woosuk Yang, MD had 955 Medicare Part D claims for 92 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.