Chiyon Won
Clinical Psychologist · San Francisco, CA
Chiyon Won is a clinical psychologist with a practice address in San Francisco, California, and NPI 1588912851, issued on Aug 17, 2012. Check the license (California PSY26896, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chiyon Won
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License numbers
- PSY26896 CA
E3294041 CA
Self-reported in NPPES; status is on the state search - Practice location
- 601 Clement St, San Francisco, CA 94118
- Phone
- (415) 668-6955
- Enumerated
- Aug 17, 2012
- Record last updated
- Jan 28, 2026
- Fax
- (415) 668-0246
- Medicare enrollment
- Enrolled (PECOS I20241203003915); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 601 Clement St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristina BangOther Technician1851892293
- Miles BlanpiedStudent in an Organized Health Care Education/Training Program1912732926
- Joshua ChampeauMarriage & Family Therapist1619615150
- Josephine ChangNurse Practitioner1225606254
- Wilfred Choi, PSY.D.Psychologist1437626884
- Annalee ColteauxStudent in an Organized Health Care Education/Training Program1194419564
Verify Chiyon Won in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY26896Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Richmond Area Multi-Services, Inc.San Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chiyon Won among 12,647 clinical psychologist records in California
Chiyon Won is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2013 · median 2006 among the 2,424 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
802 clinical psychologist records list a practice address in San Francisco
They are 802 of the 38,143 NPPES records with a practice address in San Francisco, and 12,647 clinical psychologist records in California.
All 12,647 in California → Every provider in San Francisco → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- John Curtis, PH.D.San Francisco, CA 941181639194673
- Diane Donnelly, PH.D.San Francisco, CA 941181558382945
- Erika Falk, PSY.D.San Francisco, CA 941181669588414
- Moira Fitzpatrick, PHDSan Francisco, CA 941181598858813
- Linda Hornbostel, PHDSan Francisco, CA 941181780691998
- Sachi Inoue, PH.D.San Francisco, CA 941181548349509
- Julius Johnson, PHDSan Francisco, CA 941181487677589
- Allison Mohan, PSYDSan Francisco, CA 941181467494922
Common questions
What is Chiyon Won's NPI number?
Chiyon Won's National Provider Identifier (NPI) is 1588912851, issued on Aug 17, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Chiyon Won located?
The NPPES record lists a practice address at 601 Clement St, San Francisco, CA, 94118. Phone: (415) 668-6955. Providers update this record themselves, so call before visiting.
How can I verify Chiyon Won's license?
NPPES lists California license number PSY26896, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.