Brooke Alexander Williams, PHD
Psychologist · South San Francisco, CA
Brooke Alexander Williams, PHD is a psychologist with a practice address in South San Francisco, California, and NPI 1437826617, issued on Aug 25, 2021. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brooke Alexander Williams
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- Practice location
- 1200 EL Camino Real, South San Francisco, CA 94080
- Phone
- (316) 250-0323
- Enumerated
- Aug 25, 2021
- Record last updated
- Jan 24, 2022
- Medicare enrollment
- Enrolled (PECOS I20220207001655); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Also registered at 1200 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brooke Alexander Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
- Permanente Medical Group IncSouth San Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brooke Alexander Williams among 7,304 psychologist records in California
Brooke Alexander 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 2021, is newer than 83% of them.
- NPI issued2021 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated2020 · 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 South San Francisco → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Margarita Abramov, PH.DSouth San Francisco, CA 940801629513395
- Gity Baxter, PHDSouth San Francisco, CA 940801407983802
- Hannah HeitzSouth San Francisco, CA 940801245910769
- Shannon HurleySouth San Francisco, CA 940801639527864
- Robert Williams, PH.D.South San Francisco, CA 940801669614723
- James CardellinoSunnyvale, CA 940851275347072
- Hanna Chang, PHDSunnyvale, CA 940851689232647
- Mona MirtaheriSunnyvale, CA 940861902329204
Common questions
What is Brooke Alexander Williams, PHD's NPI number?
Brooke Alexander Williams, PHD's National Provider Identifier (NPI) is 1437826617, issued on Aug 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Brooke Alexander Williams, PHD located?
The NPPES record lists a practice address at 1200 EL Camino Real, South San Francisco, CA, 94080. Phone: (316) 250-0323. Providers update this record themselves, so call before visiting.
How can I verify Brooke Alexander Williams, PHD's license?
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.