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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

PAUL IAN RODRIGUEZ TIAMZON
NPI 1679499693
Nurse Practitioner - Psychiatric/Mental Health in Irvine, CA

Active since June 24, 2026
15615 ALTON PKWY STE 450, IRVINE, CA 92618(949) 228-9607(714) 202-8858 Get Directions Write a Review

NPPES record added: June 25, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Paul Ian Rodriguez Tiamzon NPPES

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

PAUL IAN RODRIGUEZ TIAMZON (NPI 1679499693) is an individual psychiatric/mental health provider in Irvine, California, licensed in California (95040187) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1679499693
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NamePAUL IAN RODRIGUEZ TIAMZON
Location Address15615 ALTON PKWY STE 450Irvine, CA 92618-3308
Mailing Address212 S Kraemer Blvd Unit 404Placentia, CA 92870-6108 · (949) 228-9607 · Fax (714) 202-8858
Phone(949) 228-9607
Fax(714) 202-8858
Sole ProprietorNo
Enumeration DateJune 24, 2026
Last NPPES UpdateJune 25, 2026
NPPES CertifiedJune 25, 2026
✔ NPI 1679499693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95040187
15615 ALTON PKWY STE 450, Irvine, CA 92618
Open in Google Maps ↗

Other Providers at the Same Location NPPES 8

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

MS. TAUBE LEVITT MFT
Counselor (Mental Health)
15615 ALTON PKWY STE 450
IRVINE, CA 92618
Orange County (714) 716-9905
DR. KATHERINE COURTNEY PSYD
Psychologist (Clinical)
15615 ALTON PKWY STE 450
IRVINE, CA 92618
Orange County (619) 971-6118
JUBILEE MENTAL HEALTH GROUP, A PROFESSIONAL NURSING ORGANIZATION
Registered Nurse (Psychiatric/Mental Health)
15615 ALTON PKWY STE 450
IRVINE, CA 92618
Orange County (949) 228-9607
KEVIN WESLEY LU
Nurse Practitioner (Psychiatric/Mental Health)
15615 ALTON PKWY STE 450
IRVINE, CA 92618
Orange County (949) 228-9607
MRS. LAURA DIANE RIVAS M.F.T
Marriage & Family Therapist
15615 ALTON PKWY STE 450
IRVINE, CA 92618
Orange County (949) 791-7839
ORANGE COUNTY COMPREHENSIVE PSYCHOLOGICAL SERVICES, INC
Psychologist (Clinical)
15615 ALTON PKWY STE 450
IRVINE, CA 92618
Orange County (949) 751-6157
MRS. KATIE LYNN BRODIE LMFT
Marriage & Family Therapist
15615 ALTON PKWY STE 450
IRVINE, CA 92618
Orange County (714) 883-6321
ESPINOZA PSYCHOLOGICAL SERVICES, INC
Clinical Neuropsychologist
15615 ALTON PKWY STE 450
IRVINE, CA 92618
Orange County (949) 689-5402

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Paul Ian Tiamzon's NPI number?

The NPI number for Paul Ian Tiamzon is 1679499693. It was assigned to this individual provider in the NPPES registry on June 24, 2026.

Where is Paul Ian Tiamzon located?

Paul Ian Tiamzon practices at 15615 Alton Pkwy Ste 450, Irvine, CA 92618. The listed phone number is (949) 228-9607.

What is Paul Ian Tiamzon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Paul Ian Tiamzon was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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.