David N. Day, PH.D.
Clinical Psychologist · Pleasanton, CA
David N. Day, PH.D. is a clinical psychologist with a practice address in Pleasanton, California, and NPI 1245463850, issued on Aug 30, 2009. Check the license (California PSY7972, 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.
- Name
- David N. Day
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY7972 CA
Self-reported in NPPES; status is on the state search - Practice location
- 225 Spring St, Pleasanton, CA 94566
- Phone
- (925) 846-7768
- Enumerated
- Aug 30, 2009
- Record last updated
- Aug 30, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (925) 846-2113
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 225 Spring St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael McCratic, MFTMarriage & Family Therapist1689879397
Verify David N. Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY7972Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David N. Day among 12,647 clinical psychologist records in California
David N. Day, PH.D. 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 not. Its NPI, issued in 2009, is newer than 49% of them.
- NPI issued2009 · 49% of these records are older, 46% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2009 · 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).
38 clinical psychologist records list a practice address in Pleasanton
They are 38 of the 2,213 NPPES records with a practice address in Pleasanton, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12,647 in California → Every provider in Pleasanton → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Victoria Baptiste, PH.D.Pleasanton, CA 945661306390893
- Robert Cooper, PH.D.Pleasanton, CA 945661407956196
- Susannah Feder, PSY.DPleasanton, CA 945661992822803
- Alejandro Ferreyra, PSY.D.Pleasanton, CA 945661568510808
- Lindsey Kremmel, PH.D.Pleasanton, CA 945661598091878
- Matthew McKeithanPleasanton, CA 945661235603168
- Lisa Regev, PH.D.Pleasanton, CA 945661679640064
- Carol Salacka, PSY.D.Pleasanton, CA 945661265614291
Common questions
What is David N. Day, PH.D.'s NPI number?
David N. Day, PH.D.'s National Provider Identifier (NPI) is 1245463850, issued on Aug 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is David N. Day, PH.D. located?
The NPPES record lists a practice address at 225 Spring St, Pleasanton, CA, 94566. Phone: (925) 846-7768. Providers update this record themselves, so call before visiting.
How can I verify David N. Day, PH.D.'s license?
NPPES lists California license number PSY7972, 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.
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.