TUAN-ANH T. NGUYEN M.D.
NPI 1225292378
Psychiatry & Neurology - Psychiatry in San Diego, CA

Q: What is Tuan-anh Nguyen's NPI number?

The NPI number for Tuan-anh Nguyen is 1225292378. It was assigned to this individual provider in the NPPES registry on July 17, 2008.

Q: What is Tuan-anh Nguyen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Tuan-anh Nguyen was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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 July 17, 2008PECOS Enrolled

3420 KENYON ST, KAISER PSYCHIATRY, SAN DIEGO, CA 92110(619) 458-6717 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Tuan-anh T. Nguyen M.d. NPPES

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

TUAN-ANH T. NGUYEN M.D. (NPI 1225292378) is an individual psychiatry provider in San Diego, California, licensed in California (A109378) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225292378

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameTUAN-ANH T. NGUYENCredential: M.D.

Location Address3420 KENYON ST, KAISER PSYCHIATRYSan Diego, CA 92110-5001

Mailing Address3420 Canyon Street.San Diego, CA 92110 · (619) 458-6717

Phone(619) 458-6717

Sole ProprietorNo

Enumeration DateJuly 17, 2008

Last NPPES UpdateNovember 30, 2021

NPPES CertifiedNovember 30, 2021

✔ NPI 1225292378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in CA · A109378✔ Licensed in AZ · R70949

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.

3420 KENYON ST, San Diego, CA 92110

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tuan-anh T. Nguyen M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Tuan-anh Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group

3.9 mi

Health Maintenance Organization

1288 CAMINO DEL RIO N
San Diego, CA 92108

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1023425972 (877) 608-0044

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92110 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

$184.71 typical visit price

range $62.10 – $184.71

Typical copayment $46.17 (range $15.52 – $46.17)

Most-billed visit code 99205

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

Most-billed visit code 99213

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.

CHANNING GREDVIG LCSW

Social Worker (Clinical)