John William Hayden, PH.D.
Psychologist · Laguna Niguel, CA
John William Hayden, PH.D. is a psychologist with a practice address in Laguna Niguel, California, and NPI 1124115274, issued on Oct 9, 2006. Check the license (California PSY8404, 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 William Hayden
- Credential
- PH.D.
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY8404 CA
Self-reported in NPPES; status is on the state search - Practice location
- 30101 Town Center Dr, Laguna Niguel, CA 92677
- Phone
- (949) 495-5290
- Enumerated
- Oct 9, 2006
- Record last updated
- Sep 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (949) 495-8540
- Medicare enrollment
- Enrolled (PECOS I20080111000584); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Also registered at 30101 Town Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John William Hayden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY8404Check 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 William Hayden among 7,304 psychologist records in California
John William Hayden, PH.D. 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 82% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated1982 · median 2005 among the 1,058 with a school on file
- Record last updated2020 · 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).
13 psychologist records list a practice address in Laguna Niguel
They are 13 of the 885 NPPES records with a practice address in Laguna Niguel, and 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 Laguna Niguel → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Kristina Brosius-RodriguezLaguna Niguel, CA 926771902960446
- Walter Ernsdorf, PHDLaguna Niguel, CA 926771801941026
- Jisun Fisher, PHDLaguna Niguel, CA 926771609303221
- Darryl Freeland, PH.D.Laguna Niguel, CA 926771548398993
- Judy Hunt, PSYDLaguna Niguel, CA 926771588785166
- Clinton McLemore, PHDLaguna Niguel, CA 926771679441448
- Jeanne Moore, PSYDLaguna Niguel, CA 926771689762346
- Sharon Powers, PSY.D.Laguna Niguel, CA 926771962930404
Common questions
What is John William Hayden, PH.D.'s NPI number?
John William Hayden, PH.D.'s National Provider Identifier (NPI) is 1124115274, issued on Oct 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John William Hayden, PH.D. located?
The NPPES record lists a practice address at 30101 Town Center Dr, Laguna Niguel, CA, 92677. Phone: (949) 495-5290. Providers update this record themselves, so call before visiting.
How can I verify John William Hayden, PH.D.'s license?
NPPES lists California license number PSY8404, 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.