DR. AMY ZHENGJUN CHONG M.D.
NPI 1720423288
Pediatrics in San Diego, CA
About Dr. Amy Zhengjun Chong M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AMY ZHENGJUN CHONG M.D. (NPI 1720423288) is an individual pediatrics provider in San Diego, California, licensed in California (A133965) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Amy Zhengjun Chong M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Amy Chong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 562 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 92123 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.
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
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 Amy Chong's NPI number?
The NPI number for Amy Chong is 1720423288. It was assigned to this individual provider in the NPPES registry on May 9, 2013. The provider is also known as Amy Zhengjun Yang.
Where is Amy Chong located?
Amy Chong practices at 3020 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 966-5841.
What is Amy Chong's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Amy Chong enrolled in Medicare?
Yes. Amy Chong is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Amy Chong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Chong reassigns Medicare benefits to Rady Children's Hospital San Diego (San Diego, 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 Amy Chong'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 Amy Chong was last updated on March 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Amy Zhengjun Chong, M.D. · NPI 1720423288
Pediatrics physician in San Diego, California. Individual provider, active in the CMS NPPES registry since May 9, 2013.
## Identity
- **NPI:** 1720423288 (Entity type: Individual)
- **Enumerated:** May 9, 2013
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A133965 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3020 CHILDRENS WAY, San Diego, CA 92123-4223
- **Phone:** (858) 966-5841
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Rady Children's Hospital San Diego (NPI 1669617197, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 28, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1720423288) · Data from the CMS NPPES public registry.