NPPES file of Aug 9, 2026

William D. Hooker, PH.D.

Clinical Neuropsychologist · San Francisco, CA

William D. Hooker, PH.D. is a clinical neuropsychologist with a practice address in San Francisco, California, and NPI 1720199672, issued on Aug 31, 2006. Check the license (California PSY9092, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720199672
Name
William D. Hooker
Credential
PH.D.
Primary taxonomy
Clinical Neuropsychologist 103G00000X
License number
PSY9092 CA
Self-reported in NPPES; status is on the state search
Practice location
350 Parnassus Ave, San Francisco, CA 94117
Phone
(415) 665-1875
Enumerated
Aug 31, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(415) 665-1881
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest clinical neuropsychologist records → All 743 in California → Look up another NPI →

Also registered at 350 Parnassus Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Karen Bagatelos, M.S.N.,N.P.Nurse Practitioner1780881045
  2. Nathan Becker, M.D.Endocrinology, Diabetes & Metabolism Physician1972696250
  3. Eric Buxton, M.D.Endocrinology, Diabetes & Metabolism Physician1134210362
  4. Alan Chong, D.D.SGeneral Practice Dentistry1013265701
  5. Gregory Chong, D.D.S.General Practice Dentistry1023130747
  6. Thomas Cicciarelli, PSY.D.Clinical Psychologist1598871865

Verify William D. Hooker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PSY9092    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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William D. Hooker among 743 clinical neuropsychologist records in California

William D. Hooker, PH.D. is one of 743 clinical neuropsychologist records with a practice address in California. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 76% newer
  • In a Medicare fileNo · 23% of these records are
  • In the CMS Doctors and Clinicians fileNo · 32% of these records are
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Neuropsychologist providers in California

There are 743 clinical neuropsychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 743 in California → Every provider in San Francisco → Clinical Neuropsychologist nationwide →

The 8 clinical neuropsychologist records with the nearest ZIP codes

  1. Kevin Carroll, PH.D.San Francisco, CA 941171396960670
  2. Eric Fine, PH.D.San Francisco, CA 941171174842041
  3. Joel Kramer, PSY.D.San Francisco, CA 941171487715983
  4. Ryan McKim, PSY.D.San Francisco, CA 941171407180656
  5. Lisa Sporri, PHDSan Francisco, CA 941171912293168
  6. Brenda Austin, PHDSan Francisco, CA 941161013057181
  7. Tera Bonora, PSYDSan Francisco, CA 941161831239839
  8. Charles Filanosky, PH.D.San Francisco, CA 941181609910256

Common questions

What is William D. Hooker, PH.D.'s NPI number?

William D. Hooker, PH.D.'s National Provider Identifier (NPI) is 1720199672, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William D. Hooker, PH.D. located?

The NPPES record lists a practice address at 350 Parnassus Ave, San Francisco, CA, 94117. Phone: (415) 665-1875. Providers update this record themselves, so call before visiting.

How can I verify William D. Hooker, PH.D.'s license?

NPPES lists California license number PSY9092, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.