DR. AMY CHANG MD
NPI 1124032750
Pediatrics in Hockessin, DE
About Dr. Amy Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AMY CHANG MD (NPI 1124032750) is an individual pediatrics provider in Hockessin, Delaware, licensed in Delaware (C1-0006480) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
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 Chang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Amy Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Marlton, NJ 08053
- Reassigned Medicare billing, Delaware enrollment
- 15 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 19707 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOCKESSIN, DE 19707
HOCKESSIN, DE 19707
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 Chang's NPI number?
The NPI number for Amy Chang is 1124032750. It was assigned to this individual provider in the NPPES registry on July 28, 2006.
Where is Amy Chang located?
Amy Chang practices at 722 Yorklyn Rd Stone Mill Office Park, Suite 100, Hockessin, DE 19707. The listed phone number is (302) 235-1188.
What is Amy Chang's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Amy Chang enrolled in Medicare?
Yes. Amy Chang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Amy Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Chang reassigns Medicare benefits to Advocare, LLC (Marlton, NJ). 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 Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amy Chang accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next and 1 other insurer list Amy Chang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Amy Chang was last updated on January 10, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 Chang, MD · NPI 1124032750
Pediatrics physician in Hockessin, Delaware. Individual provider, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1124032750 (Entity type: Individual)
- **Enumerated:** July 28, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** C1-0006480 (Delaware)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 722 YORKLYN RD, STONE MILL OFFICE PARK, SUITE 100, Hockessin, DE 19707
- **Phone:** (302) 235-1188 · **Fax:** (302) 239-2604
## 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:** Advocare, LLC (NPI 1770538696, Marlton, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 10, 2011
- **Other identifiers:** Medicare ID-Type Unspecified 491764; Medicaid 1012338790001 (PA); Medicare UPIN I08737
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Source: [NPI Profile](https://npiprofile.com/npi/1124032750) · Data from the CMS NPPES public registry.