TANYA NGO MD
NPI 1326738535
Psychiatry & Neurology - Child & Adolescent Psychiatry in San Mateo, CA

Active since May 10, 2023PECOS EnrolledAccepts Medicare Assignment
222 W 39TH AVE, SAN MATEO, CA 94403(650) 573-2530 Get Directions Write a Review

NPPES record last updated: May 20, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 20, 2026, May 10, 2023 (2 updates tracked since 2023).

About Tanya Ngo Md NPPES

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

TANYA NGO MD (NPI 1326738535) is an individual child & adolescent psychiatry provider in San Mateo, California, licensed in California (A197359) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of University Of California, San Diego School Of Medicine (2023).

NPPES Registry Identity

NPI1326738535
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameTANYA NGOCredential: MD
Location Address222 W 39TH AVESan Mateo, CA 94403-4364
Mailing Address222 W 39th AveSan Mateo, CA 94403-4364 · (650) 573-2530
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2023
Enumeration DateMay 10, 2023
Last NPPES UpdateMay 20, 20262 updates tracked since enumeration
NPPES CertifiedMay 20, 2026
✔ NPI 1326738535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in CA · A197359
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 1326738535 (CA)
222 W 39TH AVE, San Mateo, CA 94403

Secondary Practice Location 1

Location 12130 National AveSan Diego, CA 92113-2209 · Phone (619) 515-2382

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tanya Ngo Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355813072
PECOS Enrollment IDI20260615000372
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 Tanya Ngo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
222 W 39TH AVE
San Mateo, CA 94403
  • Reassigned Medicare billing, California enrollment
  • 597 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
3705 MISSION BLVD
San Diego, CA 92109
  • Reassigned Medicare billing, California enrollment
  • 1,100 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.

Psychologist (Clinical)
222 W 39TH AVE
SAN MATEO, CA 94403
General Acute Care Hospital
222 W 39TH AVE
SAN MATEO, CA 94403
Dermatology
222 W 39TH AVE
SAN MATEO, CA 94403
Clinic/Center
222 W 39TH AVE
SAN MATEO, CA 94403
Obstetrics & Gynecology
222 W 39TH AVE
SAN MATEO, CA 94403
Counselor
222 W 39TH AVE
SAN MATEO, CA 94403
Physical Medicine & Rehabilitation
222 W 39TH AVE
SAN MATEO, CA 94403
Registered Nurse
222 W 39TH AVE
SAN MATEO, CA 94403

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 Tanya Ngo's NPI number?

The NPI number for Tanya Ngo is 1326738535. It was assigned to this individual provider in the NPPES registry on May 10, 2023.

Where is Tanya Ngo located?

Tanya Ngo practices at 222 W 39th Ave, San Mateo, CA 94403. The listed phone number is (650) 573-2530.

What is Tanya Ngo's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Tanya Ngo enrolled in Medicare?

Yes. Tanya Ngo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Tanya Ngo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tanya Ngo reassigns Medicare benefits to 2 organizations: County Of San Mateo (San Mateo, CA) and Family Health Centers Of San Diego, Inc (San Diego, 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 Tanya Ngo'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 Tanya Ngo was last updated on May 20, 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.