NPPES file of Aug 9, 2026

Christopher G. Nikolaidis, PHD

Clinical Psychologist · Newport Beach, CA

Christopher G. Nikolaidis, PHD is a clinical psychologist with a practice address in Newport Beach, California, and NPI 1003016197, issued on Jul 18, 2007. Check the license (California PSY22648, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003016197
Name
Christopher G. Nikolaidis
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY22648 CA
Self-reported in NPPES; status is on the state search
Practice location
220 Newport Center Dr, Newport Beach, CA 92660
Phone
(714) 843-9046
Enumerated
Jul 18, 2007
Record last updated
Feb 25, 2012 (not updated in 14 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 220 Newport Center Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christopher Coulter, MDInternal Medicine Physician1093913386
  2. Alina Gram, PSY.D.Clinical Psychologist1700256914
  3. Gene Lawrence, M.D.Specialist1730269879
  4. Jennifer Lyman, PH.D.Clinical Psychologist1629320387
  5. Edward Mendez, PH.D.Clinical Psychologist1649491044
  6. Arthur Strick, MDOphthalmology Physician1083121784

Verify Christopher G. Nikolaidis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PSY22648    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Christopher G. Nikolaidis among 12,647 clinical psychologist records in California

Christopher G. Nikolaidis, 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 2007, is newer than 20% of them.

  • NPI issued2007 · 20% of these records are older, 57% newer
  • In a Medicare fileNo · 9% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2012 · 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).

123 clinical psychologist records list a practice address in Newport Beach

They are 123 of the 4,414 NPPES records with a practice address in Newport Beach, 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 Newport Beach → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Vance Becker, PH.D.Newport Beach, CA 926601013912443
  2. Alexandra Chiara, PH.D.Newport Beach, CA 926601528166808
  3. Steven Davidson, PHDNewport Beach, CA 926601487767992
  4. Jennifer Fee, PSY.D.Newport Beach, CA 926601932101326
  5. Michael Fenton, PHDNewport Beach, CA 926601881654846
  6. Steven Harris, PH.D.Newport Beach, CA 926601487673927
  7. Marsha Hewlett, PH.D.Newport Beach, CA 926601316057797
  8. Christopher Ingalls, PHDNewport Beach, CA 926601497862619

Common questions

What is Christopher G. Nikolaidis, PHD's NPI number?

Christopher G. Nikolaidis, PHD's National Provider Identifier (NPI) is 1003016197, issued on Jul 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Christopher G. Nikolaidis, PHD located?

The NPPES record lists a practice address at 220 Newport Center Dr, Newport Beach, CA, 92660. Phone: (714) 843-9046. Providers update this record themselves, so call before visiting.

How can I verify Christopher G. Nikolaidis, PHD's license?

NPPES lists California license number PSY22648, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.