THERESA NGUYEN TRAN NP-C
NPI 1568939833
Nurse Practitioner - Family in Tustin, CA

Q: What is Theresa Tran's NPI number?

The NPI number for Theresa Tran is 1568939833. It was assigned to this individual provider in the NPPES registry on October 25, 2018.

Q: What is Theresa Tran's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Theresa Tran was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 25, 2018PECOS Enrolled

661 W 1ST ST STE G, TUSTIN, CA 92780(714) 665-9890(714) 665-9891 Get Directions Write a Review

NPPES record last updated: October 23, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 19, 2019, Oct 25, 2018 (2 updates tracked since 2018).

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About Theresa Nguyen Tran Np-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THERESA NGUYEN TRAN NP-C (NPI 1568939833) is an individual family provider in Tustin, California, licensed in California (NP95010331) and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1568939833

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameTHERESA NGUYEN TRANCredential: NP-C

Location Address661 W 1ST ST STE GTustin, CA 92780-2939

Mailing Address661 W 1st St Ste GTustin, CA 92780-2939 · (714) 665-9890 · Fax (714) 665-9891

Phone(714) 665-9890

Fax(714) 665-9891

Sole ProprietorNo

Enumeration DateOctober 25, 2018

Last NPPES UpdateOctober 23, 20252 updates tracked since enumeration

NPPES CertifiedOctober 23, 2025

✔ NPI 1568939833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · NP95010331

661 W 1ST ST STE G, Tustin, CA 92780

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Secondary Practice Locations 2

Location 19918 Katella Ave Ste A-CAnaheim, CA 92804-6465 · Phone (714) 644-9494 · Fax (714) 644-9894

Location 211180 Warner Ave Ste 353Fountain Valley, CA 92708-7516 · Phone (714) 968-6789 · Fax (714) 202-2626

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Theresa Nguyen Tran Np-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92780 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NICOLE ROLLE NOCHE NP

Nurse Practitioner (Women's Health)