Ronn Johnson, PH.D., ABPP
Clinical Psychologist · Oceanside, CA
Ronn Johnson, PH.D., ABPP is a clinical psychologist with a practice address in Oceanside, California, and NPI 1194093039, issued on Dec 7, 2011. Check the license (California PSY11764, 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
- Ronn Johnson
- Credential
- PH.D., ABPP
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License numbers
- PSY11764 CA
8969 MA
010201 NY
Self-reported in NPPES; status is on the state search - Practice location
- 321 Cassidy St, Oceanside, CA 92054
- Phone
- (760) 721-2171
- Enumerated
- Dec 7, 2011
- Record last updated
- Sep 15, 2015 (not updated in 11 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 321 Cassidy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ronn Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY11764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ronn Johnson among 12,647 clinical psychologist records in California
Ronn Johnson, PH.D., ABPP 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 2011, is newer than 59% of them.
- NPI issued2011 · 59% of these records are older, 37% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2015 · 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).
49 clinical psychologist records list a practice address in Oceanside
They are 49 of the 3,438 NPPES records with a practice address in Oceanside, 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 Oceanside → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Chriss Allen, PH.D.Oceanside, CA 920541710100490
- Frederick Alpern, PH.D.Oceanside, CA 920541700974748
- Lisa Bendimez, PSY.DOceanside, CA 920541710018445
- Lilian Bhattacharya, PSYDOceanside, CA 920541518956721
- Anthony Brailow, PHDOceanside, CA 920541154356608
- Linda Comin, PSY.DOceanside, CA 920541215110911
- John Giglio, PHDOceanside, CA 920541770632846
- Brock Kilbourne, PH.D.Oceanside, CA 920541467586701
Common questions
What is Ronn Johnson, PH.D., ABPP's NPI number?
Ronn Johnson, PH.D., ABPP's National Provider Identifier (NPI) is 1194093039, issued on Dec 7, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ronn Johnson, PH.D., ABPP located?
The NPPES record lists a practice address at 321 Cassidy St, Oceanside, CA, 92054. Phone: (760) 721-2171. Providers update this record themselves, so call before visiting.
How can I verify Ronn Johnson, PH.D., ABPP's license?
NPPES lists California license number PSY11764, 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.