Gregory Alan Nelson, PHD
Psychologist · Redondo Beach, CA
Gregory Alan Nelson, PHD is a psychologist with a practice address in Redondo Beach, California, and NPI 1497757538, issued on Aug 10, 2005. Check the license (California PSY 12389, 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
- Gregory Alan Nelson
- Credential
- PHD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY 12389 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1617 S Pch Hwy, Redondo Beach, CA 90277
- Phone
- (310) 540-2061
- Enumerated
- Aug 10, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (310) 540-8550
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Verify Gregory Alan Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY 12389Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gregory Alan Nelson among 7,304 psychologist records in California
Gregory Alan Nelson, PHD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 99% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 14% of these records are
- Record last updated2026 · 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).
19 psychologist records list a practice address in Redondo Beach
They are 19 of the 1,513 NPPES records with a practice address in Redondo Beach, 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 Redondo Beach → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Mackenzie Abraham, PHDRedondo Beach, CA 902771881053833
- Pat Alford-Keating, PH.D.Redondo Beach, CA 902771154677268
- Suzanne Amadi, PHDRedondo Beach, CA 902771881362655
- Sabra Cole Hitchcock, EDDRedondo Beach, CA 902771376647719
- Peter Gleiberman, PSY.D.Redondo Beach, CA 902771215343595
- Christine Jaynes-Bell, PH.D.Redondo Beach, CA 902771164622700
- Alan Lert, PH.D.Redondo Beach, CA 902771336181809
- Amy Mandel, PSY.D.Redondo Beach, CA 902771437205358
Common questions
What is Gregory Alan Nelson, PHD's NPI number?
Gregory Alan Nelson, PHD's National Provider Identifier (NPI) is 1497757538, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Alan Nelson, PHD located?
The NPPES record lists a practice address at 1617 S Pch Hwy, Redondo Beach, CA, 90277. Phone: (310) 540-2061. Providers update this record themselves, so call before visiting.
How can I verify Gregory Alan Nelson, PHD's license?
NPPES lists California license number PSY 12389, 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.