John Knippa, PH.D.
Clinical Neuropsychologist · Long Beach, CA
John Knippa, PH.D. is a clinical neuropsychologist with a practice address in Long Beach, California, and NPI 1295814150, issued on Nov 3, 2006. Check the license (California PSY8833, 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
- John Knippa
- Credential
- PH.D.
- Primary taxonomy
- Clinical Neuropsychologist 103G00000X
- License numbers
- PSY8833 CA
93-261633-2501 UT
Self-reported in NPPES; status is on the state search - Practice location
- 1650 Ximeno Ave, Long Beach, CA 90804
- Phone
- (562) 494-3633
- Enumerated
- Nov 3, 2006
- Record last updated
- Sep 11, 2025
- Entity
- Type 1 · individual
8 nearest clinical neuropsychologist records → All 743 in California → Look up another NPI →
Also registered at 1650 Ximeno Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Roger Epstein, M.D.Psychiatry Physician1053499384
- Loren Rench, DDSDentist1538329255
- Ronald Silverstein, M.D.Psychiatry Physician1528146834
Verify John Knippa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY8833Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Knippa among 743 clinical neuropsychologist records in California
John Knippa, PH.D. is one of 743 clinical neuropsychologist records with a practice address in California. 23% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 76% newer
- In a Medicare fileNo · 23% of these records are
- In the CMS Doctors and Clinicians fileNo · 32% of these records are
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Neuropsychologist providers in California
There are 743 clinical neuropsychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 743 in California → Every provider in Long Beach → Clinical Neuropsychologist nationwide →
The 8 clinical neuropsychologist records with the nearest ZIP codes
- Alexandra Rudd-Barnard, PSY.D.Long Beach, CA 908071194000216
- Tiffany Barr, PH.D.Long Beach, CA 908221215263124
- Spring Johnson, PHDLong Beach, CA 908221013588805
- Jeffrey Webster, PH.D.Long Beach, CA 908221720181027
- Vanessa ZizakLong Beach, CA 908221639422009
- Anita Hamilton, PH.DSeal Beach, CA 907401306961644
- Kathryn CumminsSan Pedro, CA 907321891030391
- Marisa Mares, PH.D.San Pedro, CA 907311033203054
Common questions
What is John Knippa, PH.D.'s NPI number?
John Knippa, PH.D.'s National Provider Identifier (NPI) is 1295814150, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Knippa, PH.D. located?
The NPPES record lists a practice address at 1650 Ximeno Ave, Long Beach, CA, 90804. Phone: (562) 494-3633. Providers update this record themselves, so call before visiting.
How can I verify John Knippa, PH.D.'s license?
NPPES lists California license number PSY8833, 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.