TRISTAN ALVA ALLIANCE
NPI 1720931538
Psychiatry & Neurology - Psychiatry in Costa Mesa, CA

Q: What is Tristan Alva Alliance's NPI number?

The NPI number for Tristan Alva Alliance is 1720931538. It was assigned to this organization in the NPPES registry on February 19, 2026.

Q: What is Tristan Alva Alliance's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since February 19, 2026

3151 AIRWAY AVE STE T3, COSTA MESA, CA 92626(949) 742-0917 Get Directions Write a Review

NPPES record last updated: March 9, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

On this page

About Tristan Alva Alliance NPPES

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

TRISTAN ALVA ALLIANCE (NPI 1720931538) is a healthcare organization registered as a psychiatry in Costa Mesa, California and active in the NPI registry since February 2026. The organization lists Gustavo Alva, President, as its authorized official.

NPPES Registry Identity

NPI1720931538

Entity TypeOrganization

Primary Taxonomy2084P0800X

Legal Business NameTRISTAN ALVA ALLIANCE

Location Address3151 AIRWAY AVE STE T3Costa Mesa, CA 92626-4627

Mailing Address3151 Airway Ave Ste T3Costa Mesa, CA 92626-4627 · (949) 742-0917

Phone(949) 742-0917

Organization SubpartNo

Authorized OfficialGustavo AlvaPresident · (949) 742-0917

Enumeration DateFebruary 19, 2026

Last NPPES UpdateMarch 9, 2026

NPPES CertifiedMarch 9, 2026

✔ NPI 1720931538 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

3151 AIRWAY AVE STE T3, Costa Mesa, CA 92626

Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 4

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

PACIFIC NEUROPSYCHIATRIC SPECIALISTS

Psychiatry & Neurology (Psychiatry)

3151 AIRWAY AVE STE T3
COSTA MESA, CA 92626

Orange County (949) 545-5550

GUSTAVO ALVA, M.D., A PROFESSIONAL CORPORATION

Psychiatry & Neurology (Psychiatry)

3151 AIRWAY AVE STE T3
COSTA MESA, CA 92626

Orange County (949) 742-0917

SAUL SANCHEZ

Assistant Behavior Analyst

3151 AIRWAY AVE STE T3
COSTA MESA, CA 92626

Orange County (833) 487-2582

ETC CONSULTANTS INC

Psychiatry & Neurology (Psychiatry)

3151 AIRWAY AVE STE T3
COSTA MESA, CA 92626

Orange County (949) 689-9754

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 Tristan Alva Alliance's NPI number?

The NPI number for Tristan Alva Alliance is 1720931538. It was assigned to this organization in the NPPES registry on February 19, 2026.

Where is Tristan Alva Alliance located?

Tristan Alva Alliance is located at 3151 Airway Ave Ste T3, Costa Mesa, CA 92626. The listed phone number is (949) 742-0917.

What is Tristan Alva Alliance's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Tristan Alva Alliance was last updated on March 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.