Gertrudes Aquino Hernandez, PHD
Clinical Psychologist · Walnut Creek, CA
Gertrudes Aquino Hernandez, PHD is a clinical psychologist with a practice address in Walnut Creek, California, and NPI 1821259953, issued on Jun 20, 2008. Check the license (California PSY23706, 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
- Gertrudes Aquino Hernandez
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY23706 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2815 Mitchell Dr Ste 119, Walnut Creek, CA 94598
- Phone
- (510) 301-8655
- Enumerated
- Jun 20, 2008
- Record last updated
- Jul 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (949) 757-2537
- Medicare enrollment
- Enrolled (PECOS I20111012000144); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 2815 Mitchell Dr Ste 119
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sidney ColeClinical Psychologist1700468311
- Keiko Miller, PSY.D., MSCPClinical Psychologist1720442965
- Jaimelee Roberts, LMFTMarriage & Family Therapist1194281857
Verify Gertrudes Aquino Hernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY23706Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gertrudes Aquino Hernandez among 12,647 clinical psychologist records in California
Gertrudes Aquino Hernandez, PHD 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 2008, is newer than 43% of them.
- NPI issued2008 · 43% of these records are older, 51% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1990 · median 2006 among the 2,424 with a school on file
- Record last updated2021 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12,647 in California → Every provider in Walnut Creek → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- John Gasperoni, PH.D.Walnut Creek, CA 945981619940178
- Stephen Heckman, PH.D.Walnut Creek, CA 945981417011735
- Noel Honeck, PH.D.Walnut Creek, CA 945981851875322
- Lara Honos-Webb, PH.D.Walnut Creek, CA 945981548400393
- Margory Joehnk, PHDWalnut Creek, CA 945981386653491
- David Johnson, PHDWalnut Creek, CA 945981669955837
- Phylis Kramer, PH.D.Walnut Creek, CA 945981316090939
- Astra Maestas, PSY.D.Walnut Creek, CA 945981467850776
Common questions
What is Gertrudes Aquino Hernandez, PHD's NPI number?
Gertrudes Aquino Hernandez, PHD's National Provider Identifier (NPI) is 1821259953, issued on Jun 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gertrudes Aquino Hernandez, PHD located?
The NPPES record lists a practice address at 2815 Mitchell Dr Ste 119, Walnut Creek, CA, 94598. Phone: (510) 301-8655. Providers update this record themselves, so call before visiting.
How can I verify Gertrudes Aquino Hernandez, PHD's license?
NPPES lists California license number PSY23706, 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.