Judith Linnan
Clinical Psychologist · Orange, CA
Judith Linnan is a clinical psychologist with a practice address in Orange, California, and NPI 1417100744, issued on Oct 30, 2008. Check the license (California RP000077, 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
- Judith Linnan
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- RP000077 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1420 E Chapman Ave, Orange, CA 92866
- Phone
- (714) 771-2325
- Enumerated
- Oct 30, 2008
- Record last updated
- Oct 30, 2008 (not updated in 18 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 1420 E Chapman Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ann Langston-Dykes, M.S., LMFT #41232Marriage & Family Therapist1528203130
Verify Judith Linnan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RP000077Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Judith Linnan among 12,647 clinical psychologist records in California
Judith Linnan 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 fileNo · 19% of these records are
- Record last updated2008 · 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
- Jeffrey Derflinger, PH.D.Orange, CA 928661023106754
- Andrew Kami, PHD, MFT, MSCP, MAOrange, CA 928661043453012
- Caroline Paltin, PH.D.Orange, CA 928661548476146
- David Pincus, PH.D.Orange, CA 928661831314699
- Susan Purrington, PSYDOrange, CA 928661477896058
Common questions
What is Judith Linnan's NPI number?
Judith Linnan's National Provider Identifier (NPI) is 1417100744, issued on Oct 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Judith Linnan located?
The NPPES record lists a practice address at 1420 E Chapman Ave, Orange, CA, 92866. Phone: (714) 771-2325. Providers update this record themselves, so call before visiting.
How can I verify Judith Linnan's license?
NPPES lists California license number RP000077, 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.