John Richard Quinlan, PSYD
Psychologist · Rancho Cucamonga, CA
John Richard Quinlan, PSYD is a psychologist with a practice address in Rancho Cucamonga, California, and NPI 1821363896, issued on Mar 9, 2012. Check the license (California PSY23794, 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 Richard Quinlan
- Credential
- PSYD
- Primary taxonomy
- Psychologist 103T00000X
- License numbers
- PSY23794 CA
23794 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8301 Elm Ave, Rancho Cucamonga, CA 91730
- Phone
- (714) 905-9595
- Enumerated
- Mar 9, 2012
- Record last updated
- Feb 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Verify John Richard Quinlan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY23794Check 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 Richard Quinlan among 7,304 psychologist records in California
John Richard Quinlan, PSYD is one of 7,304 psychologist records with a practice address in California. 6% 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 2012, is newer than 53% of them.
- NPI issued2012 · 53% of these records are older, 43% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 14% of these records are
- Record last updated2015 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in California
There are 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,304 in California → Every provider in Rancho Cucamonga → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Daniel Chung, PSY.D.Rancho Cucamonga, CA 917301578895348
- Jerry Goffman, PHD.Rancho Cucamonga, CA 917301124137765
- Timothy Gunn, PSY.D.Rancho Cucamonga, CA 917301356466973
- Nina Hudspeth, PSYDRancho Cucamonga, CA 917301962696039
- Pean LaiRancho Cucamonga, CA 917301407037575
- Stefanie Lockhart-Pettaway, PSY.D, MSWRancho Cucamonga, CA 917301497934871
- Claire Oxtoby, PHDRancho Cucamonga, CA 917301154679868
- Deborah Seffinger, PHDRancho Cucamonga, CA 917301245478692
Common questions
What is John Richard Quinlan, PSYD's NPI number?
John Richard Quinlan, PSYD's National Provider Identifier (NPI) is 1821363896, issued on Mar 9, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John Richard Quinlan, PSYD located?
The NPPES record lists a practice address at 8301 Elm Ave, Rancho Cucamonga, CA, 91730. Phone: (714) 905-9595. Providers update this record themselves, so call before visiting.
How can I verify John Richard Quinlan, PSYD's license?
NPPES lists California license number PSY23794, 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.