NPPES file of Aug 9, 2026

Nancy Sue Fang, PSYD

Clinical Psychologist · Irvine, CA

Nancy Sue Fang, PSYD is a clinical psychologist with a practice address in Irvine, California, and NPI 1336275999, issued on Feb 26, 2007. Check the license (California 23671, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1336275999
Name
Nancy Sue Fang
Credential
PSYD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
23671 CA
Self-reported in NPPES; status is on the state search
Practice location
4040 Barranca Pkwy Ste 260, Irvine, CA 92604
Phone
(925) 282-1778
Enumerated
Feb 26, 2007
Record last updated
Oct 10, 2024
Fax
(415) 296-5299
Medicare enrollment
Enrolled (PECOS I20101117000956); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 4040 Barranca Pkwy Ste 260

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

  1. Taylor Alexander, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1609478148
  2. Sheena Backer, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1215691332
  3. Allyson Bushnell, LCSWClinical Social Worker1205525698
  4. Liquita Dage, LMFTMarriage & Family Therapist1649986597
  5. Cynthia Florido, LMFTMarriage & Family Therapist1306220231
  6. Gabrielle Gomez, LMFTMarriage & Family Therapist1497361547

Verify Nancy Sue Fang 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 23671    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.

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Bills Medicare through one group practice

  1. Pacific Coast Psychiatric Associates IncIrvine, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nancy Sue Fang among 12,647 clinical psychologist records in California

Nancy Sue Fang, PSYD 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. Its NPI, issued in 2007, is newer than 20% of them.

  • NPI issued2007 · 20% of these records are older, 57% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2008 · median 2006 among the 2,424 with a school on file
  • Record last updated2024 · 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).

140 clinical psychologist records list a practice address in Irvine

They are 140 of the 7,778 NPPES records with a practice address in Irvine, and 12,647 clinical psychologist records in California.

All 12,647 in California → Every provider in Irvine → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Michael Gonzales, PH.D.Irvine, CA 926041316060734
  2. Richard Haddock, PSYDIrvine, CA 926041518517374
  3. Donna Huson, PH.D.Irvine, CA 926041992918734
  4. Yousef Kayyali, PSYD, MA, LPIrvine, CA 926041184273005
  5. Katherine Ko, PH.D.Irvine, CA 926041871524546
  6. Jacqueline Koppers, PSYD, LPIrvine, CA 926041376688374
  7. Jennifer Mitolo, PSY.D.Irvine, CA 926041861664088
  8. Ali Redjaian, PSYD, LPIrvine, CA 926041568524429

Common questions

What is Nancy Sue Fang, PSYD's NPI number?

Nancy Sue Fang, PSYD's National Provider Identifier (NPI) is 1336275999, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Sue Fang, PSYD located?

The NPPES record lists a practice address at 4040 Barranca Pkwy Ste 260, Irvine, CA, 92604. Phone: (925) 282-1778. Providers update this record themselves, so call before visiting.

How can I verify Nancy Sue Fang, PSYD's license?

NPPES lists California license number 23671, 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. Medicare files from data.cms.gov. 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.