Jeffrey Derflinger, PH.D.
Clinical Psychologist · Orange, CA
Jeffrey Derflinger, PH.D. is a clinical psychologist with a practice address in Orange, California, and NPI 1023106754, issued on Oct 10, 2006. Check the license (California PSY16346, 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
- Jeffrey Derflinger
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY16346 CA
Self-reported in NPPES; status is on the state search - Practice location
- 746 E Chapman Ave, Orange, CA 92866
- Phone
- (949) 725-7156
- Enumerated
- Oct 10, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 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 →
Also registered at 746 E Chapman Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leonard Cerny, PHDClinical Psychologist1700098803
- Patricia Cerny, PSY.D.Clinical Psychologist1760530976
- John Depaola, M.A.Marriage & Family Therapist1750636874
- William Edkins, PSY.D.Psychologist1285937425
- Richard Gastil, PSYD, MSW, MFT, MAMarriage & Family Therapist1114237724
Verify Jeffrey Derflinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY16346Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jeffrey Derflinger among 12,647 clinical psychologist records in California
Jeffrey Derflinger, 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 80% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 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 Orange → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Patricia Cerny, PSY.D.Orange, CA 928661760530976
- Leonard Cerny, PHDOrange, CA 928661700098803
- James Daehnert, PH.D.Orange, CA 928661477781870
- Andrew Kami, PHD, MFT, MSCP, MAOrange, CA 928661043453012
- Judith LinnanOrange, CA 928661417100744
- Caroline Paltin, PH.D.Orange, CA 928661548476146
- David Pincus, PH.D.Orange, CA 928661831314699
- Susan Purrington, PSYDOrange, CA 928661477896058
Common questions
What is Jeffrey Derflinger, PH.D.'s NPI number?
Jeffrey Derflinger, PH.D.'s National Provider Identifier (NPI) is 1023106754, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Derflinger, PH.D. located?
The NPPES record lists a practice address at 746 E Chapman Ave, Orange, CA, 92866. Phone: (949) 725-7156. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Derflinger, PH.D.'s license?
NPPES lists California license number PSY16346, 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.