DR. THAO-CHAU THUY TRINH MS, PSYD
NPI 1386208569
Psychologist - Clinical Child & Adolescent in Oakland, CA

Active since April 24, 2019PECOS Enrolled
770 53RD ST, OAKLAND, CA 94609(510) 428-8428 Get Directions Write a Review

NPPES record last updated: February 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 24, 2025, Jan 9, 2023, Sep 30, 2022 and 3 more (6 updates tracked since 2019).

About Dr. Thao-chau Thuy Trinh Ms, Psyd NPPES

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

DR. THAO-CHAU THUY TRINH MS, PSYD (NPI 1386208569) is an individual clinical child & adolescent provider in Oakland, California, licensed in California (PSY34866) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386208569
Entity TypeIndividualFemale
Primary Taxonomy103TC2200X
Provider Legal NameDR. THAO-CHAU THUY TRINHCredential: MS, PSYD
Location Address770 53RD STOakland, CA 94609-1814
Mailing Address770 53rd StOakland, CA 94609-1814 · (510) 428-8428
Sole ProprietorNo
Enumeration DateApril 24, 2019
Last NPPES UpdateFebruary 24, 20256 updates tracked since enumeration
NPPES CertifiedFebruary 24, 2025
✔ NPI 1386208569 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · Clinical Child & AdolescentBehavioral Health & Social Service Providers
Taxonomy Code103TC2200X
License✔ Licensed in CA · PSY34866
Definition
A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.
Also ListedCounselorTaxonomy 101Y00000X
770 53RD ST, Oakland, CA 94609

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thao-chau Thuy Trinh Ms, Psyd 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 Reassignments

2

Medicare enrollment records show Thao-chau Trinh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group

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

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.

Social Worker (Clinical)
770 53RD ST
OAKLAND, CA 94609
Social Worker (Clinical)
770 53RD ST
OAKLAND, CA 94609
Marriage & Family Therapist
770 53RD ST
OAKLAND, CA 94609
Social Worker (Clinical)
770 53RD ST
OAKLAND, CA 94609
Student in an Organized Health Care Education/Training Program
770 53RD ST
OAKLAND, CA 94609
Marriage & Family Therapist
770 53RD ST
OAKLAND, CA 94609
Social Worker (Clinical)
770 53RD ST
OAKLAND, CA 94609
Social Worker (Clinical)
770 53RD ST
OAKLAND, CA 94609

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 Thao-chau Trinh's NPI number?

The NPI number for Thao-chau Trinh is 1386208569. It was assigned to this individual provider in the NPPES registry on April 24, 2019.

Where is Thao-chau Trinh located?

Thao-chau Trinh practices at 770 53rd St, Oakland, CA 94609. The listed phone number is (510) 428-8428.

What is Thao-chau Trinh's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

Is Thao-chau Trinh enrolled in Medicare?

Yes. Thao-chau Trinh is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Thao-chau Trinh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thao-chau Trinh reassigns Medicare benefits to 2 organizations: University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thao-chau Trinh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Thao-chau Trinh was last updated on February 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.