Ronald James Frederick, PHD
Clinical Psychologist · Los Angeles, CA
Ronald James Frederick, PHD is a clinical psychologist with a practice address in Los Angeles, California, and NPI 1417957101, issued on Jul 26, 2005. Check the license (California PSY24089, 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
- Ronald James Frederick
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY24089 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6330 San Vicente Blvd Ste 510, Los Angeles, CA 90048
- Phone
- (310) 275-5075
- Enumerated
- Jul 26, 2005
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Verify Ronald James Frederick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY24089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ronald James Frederick among 12,647 clinical psychologist records in California
Ronald James Frederick, PHD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 99% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2026 · 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).
1,268 clinical psychologist records list a practice address in Los Angeles
They are 1,268 of the 69,537 NPPES records with a practice address in Los Angeles, 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 Los Angeles → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Renne Bainvoll, PHDLos Angeles, CA 900481417059098
- Sharon Bishop, PH.D.Los Angeles, CA 900481831299304
- Elisabeth Clark, PH.D.Los Angeles, CA 900481043368145
- Stephen Diamond, PH.D.Los Angeles, CA 900481275639213
- Aimee Ellicott, PH.D.Los Angeles, CA 900481558410324
- Lila Goldsman, PH.D.Los Angeles, CA 900481518066091
- Navideh Levy, PSY.D.Los Angeles, CA 900481124100052
- Neil Schierholz, PSYDLos Angeles, CA 900481700958345
Common questions
What is Ronald James Frederick, PHD's NPI number?
Ronald James Frederick, PHD's National Provider Identifier (NPI) is 1417957101, issued on Jul 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald James Frederick, PHD located?
The NPPES record lists a practice address at 6330 San Vicente Blvd Ste 510, Los Angeles, CA, 90048. Phone: (310) 275-5075. Providers update this record themselves, so call before visiting.
How can I verify Ronald James Frederick, PHD's license?
NPPES lists California license number PSY24089, 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.