Elsa Louise Ferris, PSY.D.
Clinical Psychologist · Ontario, CA
Elsa Louise Ferris, PSY.D. is a clinical psychologist with a practice address in Ontario, California, and NPI 1841632098, issued on Jul 29, 2013. Check the license (California PSY31532, 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
- Elsa Louise Ferris
- Credential
- PSY.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY31532 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 E E St Ste 111, Ontario, CA 91764
- Phone
- (909) 999-5213
- Enumerated
- Jul 29, 2013
- Record last updated
- Feb 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Verify Elsa Louise Ferris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY31532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Elsa Louise Ferris among 12,647 clinical psychologist records in California
Elsa Louise Ferris, PSY.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 2013, is newer than 67% of them.
- NPI issued2013 · 67% of these records are older, 29% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2020 · 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).
Clinical Psychologist providers in California
There are 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 Ontario → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Kelline Deespinosa, PSY.D.Ontario, CA 917641407981541
- Julie Myers, PHDOntario, CA 917641225221906
- Mina Youssef, PSYCHOLOGISTOntario, CA 917641316562390
- Barbara Ammon, PH.D.Diamond Bar, CA 917651588749915
- Melissa Campitelli-Smith, PSY.D.Diamond Bar, CA 917651891809786
- Ronda Hampton, PH.D.Diamond Bar, CA 917651891820718
- Stephen Hill, PH.D.Diamond Bar, CA 917651952424699
- Allegra Klacsmann, PH.D.Diamond Bar, CA 917651871788414
Common questions
What is Elsa Louise Ferris, PSY.D.'s NPI number?
Elsa Louise Ferris, PSY.D.'s National Provider Identifier (NPI) is 1841632098, issued on Jul 29, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Elsa Louise Ferris, PSY.D. located?
The NPPES record lists a practice address at 500 E E St Ste 111, Ontario, CA, 91764. Phone: (909) 999-5213. Providers update this record themselves, so call before visiting.
How can I verify Elsa Louise Ferris, PSY.D.'s license?
NPPES lists California license number PSY31532, 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.