David L. Kattenhorn, PSYD
Clinical Psychologist · Arcadia, CA
David L. Kattenhorn, PSYD is a clinical psychologist with a practice address in Arcadia, California, and NPI 1679623706, issued on Jan 11, 2007. Check the license (California PSY8645, 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
- David L. Kattenhorn
- Credential
- PSYD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY8645 CA
Self-reported in NPPES; status is on the state search - Practice location
- 50 E Foothill Blvd, Arcadia, CA 91006
- Phone
- (626) 446-8544
- Enumerated
- Jan 11, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (626) 446-1877
- Medicare enrollment
- Enrolled (PECOS I20101109001269); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 50 E Foothill Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David L. Kattenhorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY8645Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David L. Kattenhorn among 12,647 clinical psychologist records in California
David L. Kattenhorn, PSYD 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 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 57% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1982 · median 2006 among the 2,424 with a school on file
- 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).
26 clinical psychologist records list a practice address in Arcadia
They are 26 of the 2,033 NPPES records with a practice address in Arcadia, 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 Arcadia → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- John Chavez, PH.D.Arcadia, CA 910061477640787
- Karen Earnest, PHDArcadia, CA 910061427003615
- Rizaldy Ferrer, PHDArcadia, CA 910061699899872
- Karen Gandy-Biferno, PH.DArcadia, CA 910061982678488
- Richard Klein, PH.DArcadia, CA 910061689865735
- Gaston Nguyen, PH.D.Arcadia, CA 910061285655670
- Gerald O'Day, PH.D.Arcadia, CA 910061487737235
- Morris Powazek, PHDArcadia, CA 910061487669917
Common questions
What is David L. Kattenhorn, PSYD's NPI number?
David L. Kattenhorn, PSYD's National Provider Identifier (NPI) is 1679623706, issued on Jan 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David L. Kattenhorn, PSYD located?
The NPPES record lists a practice address at 50 E Foothill Blvd, Arcadia, CA, 91006. Phone: (626) 446-8544. Providers update this record themselves, so call before visiting.
How can I verify David L. Kattenhorn, PSYD's license?
NPPES lists California license number PSY8645, 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.