NPPES file of Aug 9, 2026

Trinh Bui Du

Counselor · Fremont, CA

Trinh Bui Du is a counselor with a practice address in Fremont, California, and NPI 1164088746, issued on May 19, 2019. Check the license 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
1164088746
Name
Trinh Bui Du
Primary taxonomy
Counselor 101Y00000X
Practice location
39350 Civic Center Dr, Fremont, CA 94538
Phone
(510) 494-4000
Enumerated
May 19, 2019
Record last updated
Oct 19, 2022
Medicare enrollment
Enrolled (PECOS I20240111002677); 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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Also registered at 39350 Civic Center Dr

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

  1. Maureen Gatt, PH.D.Clinical Psychologist1255531034
  2. Aldrin Geronga, F.N.P.Nurse Practitioner1285062257
  3. Lindsey HodosMental Health Counselor1205339835
  4. Rodney HonradaMarriage & Family Therapist1861297210
  5. Hannah JoharchiPsychologist1043866494
  6. John Lin, M.D.Anesthesiology Physician1750602694

Verify Trinh Bui Du in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
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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. Permanente Medical Group IncFremont, CA

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

92 counselor records list a practice address in Fremont

They are 92 of the 4,749 NPPES records with a practice address in Fremont, and 13,723 counselor records in California.

Other counselor records in California

  1. Brandi AagesonSan Diego, CA1316085426
  2. Ted AamesFort Bragg, CA1447500988
  3. Crystal AanderudRichmond, CA1083841761
  4. Cedric Aaron, MSW, ASWEureka, CA1245461268
  5. Regina AbadajosOakland, CA1851856488
  6. Erica AbaraCamarillo, CA1104099282
  7. Jennifer AbarcaOakland, CA1760955926
  8. Marina AbbottPetaluma, CA1669592184
  9. Robert Abbott-Florez, M.A.Petaluma, CA1568617280
  10. Sofia AbbushiSan Carlos, CA1154974301

Common questions

What is Trinh Bui Du's NPI number?

Trinh Bui Du's National Provider Identifier (NPI) is 1164088746, issued on May 19, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Trinh Bui Du located?

The NPPES record lists a practice address at 39350 Civic Center Dr, Fremont, CA, 94538. Phone: (510) 494-4000. Providers update this record themselves, so call before visiting.

How can I verify Trinh Bui Du's license?

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.

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.