KRISTINA NGA TRINH DO
NPI 1619466448
Pediatrics in Fremont, CA
About Kristina Nga Trinh Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTINA NGA TRINH DO (NPI 1619466448) is an individual pediatrics provider in Fremont, California, licensed in California (20A19005) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Kristina Nga Trinh Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Kristina Trinh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94538 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
FREMONT, CA 94538
FREMONT, CA 94538
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 Kristina Trinh's NPI number?
The NPI number for Kristina Trinh is 1619466448. It was assigned to this individual provider in the NPPES registry on May 7, 2018.
Where is Kristina Trinh located?
Kristina Trinh practices at 3200 Kearney St, Fremont, CA 94538. The listed phone number is (510) 490-1222.
What is Kristina Trinh's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Kristina Trinh enrolled in Medicare?
Yes. Kristina Trinh is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kristina Trinh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristina Trinh reassigns Medicare benefits to 2 organizations: Sutter Bay Medical Foundation (Palo Alto, CA) and Permanente Medical Group Inc (Redwood City, 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 Kristina 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 Kristina Trinh was last updated on April 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.