NPPES file of Aug 9, 2026

Jennifer Diem Truong, RNP

Nurse Practitioner · Costa Mesa, CA

Jennifer Diem Truong, RNP is a nurse practitioner with a practice address in Costa Mesa, California, and NPI 1194777045, issued on May 17, 2006. Check the license (California 495905, 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
1194777045
Name
Jennifer Diem Truong
Credential
RNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
495905 CA
Self-reported in NPPES; status is on the state search
Practice location
2501 Harbor Blvd, Costa Mesa, CA 92626
Phone
(714) 957-5000
Enumerated
May 17, 2006
Record last updated
Jul 13, 2026
Medicare enrollment
Enrolled (PECOS I20040506000708); 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 nurse practitioner records → All 8,223 in California → Look up another NPI →

Also registered at 2501 Harbor Blvd

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

  1. Ronald Bangsil, MDFamily Medicine Physician1043261654
  2. De Bui, MDGeneral Practice Physician1619929551
  3. Ying-Ling ChaoClinical Social Worker1861655045
  4. Beverly Corona, LCSWClinical Social Worker1811497027
  5. Thanhtuyen Do, MDPhysical Medicine & Rehabilitation Physician1760404040
  6. James Ferguson, DOFamily Medicine Physician1689625212

Verify Jennifer Diem Truong 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 495905    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. Department OF State HospitalsNorwalk, CA

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

Jennifer Diem Truong among 8,223 nurse practitioner records in California

Jennifer Diem Truong, RNP is one of 8,223 nurse practitioner records with a practice address in California. 65% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 82% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated1998 · median 2017 among the 3,425 with a school on file
  • Record last updated2026 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

All 8,223 in California → Every provider in Costa Mesa → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Anthony Brown, NPCosta Mesa, CA 926261528837135
  2. Brandy Casey, NPCosta Mesa, CA 926261669937512
  3. Marjorie Chan, NPCosta Mesa, CA 926261174811624
  4. Alexandra Hutchison, FNP-CCosta Mesa, CA 926261013677749
  5. Mary Grace Matin, FNP-CCosta Mesa, CA 926261427779297
  6. Mary Jane Pageau, NPCosta Mesa, CA 926261518158831
  7. Judith Rivera, NPCosta Mesa, CA 926261023425352
  8. Alondra Sandoval LaraCosta Mesa, CA 926261396608493

Common questions

What is Jennifer Diem Truong, RNP's NPI number?

Jennifer Diem Truong, RNP's National Provider Identifier (NPI) is 1194777045, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Diem Truong, RNP located?

The NPPES record lists a practice address at 2501 Harbor Blvd, Costa Mesa, CA, 92626. Phone: (714) 957-5000. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Diem Truong, RNP's license?

NPPES lists California license number 495905, 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.