Spencer Crooks, PSYD
Clinical Psychologist · Walnut Creek, CA
Spencer Crooks, PSYD is a clinical psychologist with a practice address in Walnut Creek, California, and NPI 1457834301, issued on Sep 6, 2018. Check the license (California 35707, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Spencer Crooks
- Credential
- PSYD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 35707 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Treat Blvd Ste 320, Walnut Creek, CA 94597
- Phone
- (925) 296-9880
- Enumerated
- Sep 6, 2018
- Record last updated
- Jul 29, 2025
- Fax
- (925) 296-9011
- Medicare enrollment
- Enrolled (PECOS I20250812003781); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 1450 Treat Blvd Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abigail Bondy, MDStudent in an Organized Health Care Education/Training Program1073307088
- Ivy Capshaw, M.A.Student in an Organized Health Care Education/Training Program1851925796
- Dennis ChouFamily Medicine Physician1295430155
Verify Spencer Crooks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 35707Check 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
- John Muir Physician NetworkWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Spencer Crooks among 12,647 clinical psychologist records in California
Spencer Crooks, PSYD 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 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2023 · median 2006 among the 2,424 with a school on file
- Record last updated2025 · 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).
96 clinical psychologist records list a practice address in Walnut Creek
They are 96 of the 6,170 NPPES records with a practice address in Walnut Creek, and 12,647 clinical psychologist records in California.
All 12,647 in California → Every provider in Walnut Creek → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Jennifer Blum, PSYDWalnut Creek, CA 945971366820474
- Danielle Dollinger, PSYDWalnut Creek, CA 945971427678127
- Karyn Goldberg-Boltz, PH.D.Walnut Creek, CA 945971447385117
- Alicia Grefenson, PSYD, LPWalnut Creek, CA 945971073707451
- Nicole Hermann-Metzger, PSYD, LPWalnut Creek, CA 945971942353578
- Katherine Hughes, PH.D.Walnut Creek, CA 945971548302409
- Joseph Koudsi, PSY.D.Walnut Creek, CA 945971649557232
- Barton Lynch, PSY.D.Walnut Creek, CA 945971518077478
Common questions
What is Spencer Crooks, PSYD's NPI number?
Spencer Crooks, PSYD's National Provider Identifier (NPI) is 1457834301, issued on Sep 6, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Spencer Crooks, PSYD located?
The NPPES record lists a practice address at 1450 Treat Blvd Ste 320, Walnut Creek, CA, 94597. Phone: (925) 296-9880. Providers update this record themselves, so call before visiting.
How can I verify Spencer Crooks, PSYD's license?
NPPES lists California license number 35707, 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.