Stephanie Williams, PHD
Psychologist · Gilroy, CA
Stephanie Williams, PHD is a psychologist with a practice address in Gilroy, California, and NPI 1669765590, issued on May 25, 2011. Check the license (California PSY29189, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephanie Williams
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License numbers
- PSY29189 CA
006131 GA
Self-reported in NPPES; status is on the state search - Practice location
- 8355 Church St, Gilroy, CA 95020
- Phone
- (408) 359-6700
- Enumerated
- May 25, 2011
- Record last updated
- May 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20210203001929); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Also registered at 8355 Church St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Niharika AnantStudent in an Organized Health Care Education/Training Program1417897992
- Kathy BohacStudent in an Organized Health Care Education/Training Program1831041797
- Latonya Jones-GunningClinical Social Worker1053036376
- Pamela MetzStudent in an Organized Health Care Education/Training Program1851009468
- Sheela Puri, PSYDPsychologist1174740021
- Maya WongStudent in an Organized Health Care Education/Training Program1538878913
Verify Stephanie Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY29189Check 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
- Integrated Psychological Assessment Services IncGilroy, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Williams among 7,304 psychologist records in California
Stephanie Williams, 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 2011, is newer than 50% of them.
- NPI issued2011 · 50% of these records are older, 47% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated2015 · median 2005 among the 1,058 with a school on file
- Record last updated2022 · 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).
Psychologist providers in California
There are 7,304 psychologist records in California.
All 7,304 in California → Every provider in Gilroy → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Thomas Gill, PH.D.Gilroy, CA 950201760693220
- Jennifer Malone, PSYDGilroy, CA 950201912043753
- Mary NgoGilroy, CA 950201205188687
- Sheela Puri, PSYDGilroy, CA 950201174740021
- Gabriel RamirezGilroy, CA 950201306506886
- Glenn SotoGilroy, CA 950201609943034
- Paula Whang-Ramos, PH.D.Gilroy, CA 950201245442896
- Ronald Williams, PH.D.Gilroy, CA 950201417125014
Common questions
What is Stephanie Williams, PHD's NPI number?
Stephanie Williams, PHD's National Provider Identifier (NPI) is 1669765590, issued on May 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Williams, PHD located?
The NPPES record lists a practice address at 8355 Church St, Gilroy, CA, 95020. Phone: (408) 359-6700. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Williams, PHD's license?
NPPES lists California license number PSY29189, 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.