CHRISTINE CHIA-CHEN TONG MD
NPI 1891843868
Pediatrics in Harbor City, CA
About Christine Chia-chen Tong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINE CHIA-CHEN TONG MD (NPI 1891843868) is an individual pediatrics provider in Harbor City, California, licensed in California (A87151) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Christine Chia-chen Tong Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Christine Tong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Harbor City, CA 90710
- Reassigned Medicare billing, California enrollment
- 13,921 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 90710 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.
HARBOR CITY, CA 90710
HARBOR CITY, CA 90710
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 Christine Tong's NPI number?
The NPI number for Christine Tong is 1891843868. It was assigned to this individual provider in the NPPES registry on January 8, 2007.
Where is Christine Tong located?
Christine Tong practices at 25825 Vermont Ave, Harbor City, CA 90710. The listed phone number is (310) 325-5111.
What is Christine Tong's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Christine Tong enrolled in Medicare?
Yes. Christine Tong is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Christine Tong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christine Tong reassigns Medicare benefits to Southern California Permanente Medical Group (Harbor City, CA). The 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 Christine Tong'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 Christine Tong was last updated on December 15, 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.