NPPES file of Aug 9, 2026

Linh Ngoc Nguyen, PH.D.

Clinical Psychologist · Newark, CA

Linh Ngoc Nguyen, PH.D. is a clinical psychologist with a practice address in Newark, California, and NPI 1689771156, issued on Sep 19, 2006. Check the license (California PSY20515, 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 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689771156
Name
Linh Ngoc Nguyen
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY20515 CA
Self-reported in NPPES; status is on the state search
Practice location
39675 Cedar Blvd Ste 240A, Newark, CA 94560
Phone
(510) 396-6166
Enumerated
Sep 19, 2006
Record last updated
Feb 22, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(510) 740-0583
Medicare enrollment
Enrolled (PECOS I20061011000387); 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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Verify Linh Ngoc Nguyen 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 PSY20515
    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

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The practice group's MIPS final score for 2023 (Medicare payment program): 80.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score67.4
  2. Costout of 100 · 30%46.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. County OF Santa ClaraSan Jose, CA

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

Linh Ngoc Nguyen among 12,647 clinical psychologist records in California

Linh Ngoc Nguyen, PH.D. 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 80% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2004 · median 2006 among the 2,424 with a school on file
  • Record last updated2013 · 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).

3 clinical psychologist records list a practice address in Newark

They are 3 of the 698 NPPES records with a practice address in Newark, and 12,647 clinical psychologist records in California.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Kelly Horton, PSY.D.Newark, CA 945601902813389
  2. Khalil Rahmany, PHDNewark, CA 945601780729236
  3. Donna Andrews, PHDNapa, CA 945591184195240
  4. Linda Bancke, PH.D.Napa, CA 945591851472880
  5. Tsoi Yi Chung, PSYDNapa, CA 945591962337188
  6. Richard Cohan, PH.D.Napa, CA 945591407911779
  7. Ronald Haimowitz, PH.D.Napa, CA 945591306975313
  8. Gary Hayes, PH.DNapa, CA 945591801161203

Common questions

What is Linh Ngoc Nguyen, PH.D.'s NPI number?

Linh Ngoc Nguyen, PH.D.'s National Provider Identifier (NPI) is 1689771156, issued on Sep 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Linh Ngoc Nguyen, PH.D. located?

The NPPES record lists a practice address at 39675 Cedar Blvd Ste 240A, Newark, CA, 94560. Phone: (510) 396-6166. Providers update this record themselves, so call before visiting.

How can I verify Linh Ngoc Nguyen, PH.D.'s license?

NPPES lists California license number PSY20515, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

What is Linh Ngoc Nguyen, PH.D.'s MIPS final score?

The 2023 MIPS final score is 80.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.

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.