Ying-Ying Yeh, PHD
Psychologist · Napa, CA
Ying-Ying Yeh, PHD is a psychologist with a practice address in Napa, California, and NPI 1063731404, issued on May 25, 2010. Check the license (California PSY 23134, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ying-Ying Yeh
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY 23134 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Napa Vallejo Hwy., Napa, CA 94558
- Phone
- (707) 253-5000
- Enumerated
- May 25, 2010
- Record last updated
- Dec 22, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (707) 253-5513
- Medicare enrollment
- Enrolled (PECOS I20110307000050); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Also registered at 2100 Napa Vallejo Hwy.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ying-Ying Yeh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY 23134Check 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
- Department OF State HospitalsNapa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ying-Ying Yeh among 7,304 psychologist records in California
Ying-Ying Yeh, PHD is one of 7,304 psychologist records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 46% of them.
- NPI issued2010 · 46% of these records are older, 50% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated2008 · median 2005 among the 1,058 with a school on file
- Record last updated2015 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 psychologist records list a practice address in Napa
They are 63 of the 3,583 NPPES records with a practice address in Napa, and 7,304 psychologist records in California.
All 7,304 in California → Every provider in Napa → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Danielle Bryce, PSY.D.Napa, CA 945581245373372
- Janet Cain, PHDNapa, CA 945581548272404
- Tanya Chase, PSY.D.Napa, CA 945581154485506
- Megan Davania, PSYDNapa, CA 945581851534259
- Sandy Folker, PSYCH ASSISTANTNapa, CA 945581275783698
- Eric Gonzalez, PH.D.Napa, CA 945581083873798
- Omyda Hernandez, PHDNapa, CA 945581164677043
- Toby Lamb, PSYDNapa, CA 945581043404791
Common questions
What is Ying-Ying Yeh, PHD's NPI number?
Ying-Ying Yeh, PHD's National Provider Identifier (NPI) is 1063731404, issued on May 25, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ying-Ying Yeh, PHD located?
The NPPES record lists a practice address at 2100 Napa Vallejo Hwy., Napa, CA, 94558. Phone: (707) 253-5000. Providers update this record themselves, so call before visiting.
How can I verify Ying-Ying Yeh, PHD's license?
NPPES lists California license number PSY 23134, 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.