DR. SONIA S CHENG MD
NPI 1528088432
Pediatrics in Wilmington, DE
About Dr. Sonia S Cheng Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SONIA S CHENG MD (NPI 1528088432) is an individual pediatrics provider in Wilmington, Delaware, licensed in Delaware (C10010824) 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. Sonia S Cheng Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sonia Cheng reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wilmington, DE 19803
- Reassigned Medicare billing, Delaware and Florida enrollments
- Also billed through NPI 1265585806 (Florida)
- 526 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 19803 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.
WILMINGTON, DE 19803
WILMINGTON, DE 19803
WILMINGTON, DE 19803
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 Sonia Cheng's NPI number?
The NPI number for Sonia Cheng is 1528088432. It was assigned to this individual provider in the NPPES registry on July 20, 2006.
Where is Sonia Cheng located?
Sonia Cheng practices at 1600 Rockland Rd, Wilmington, DE 19803. The listed phone number is (302) 651-4200.
What is Sonia Cheng's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Sonia Cheng enrolled in Medicare?
Yes. Sonia Cheng is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sonia Cheng's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sonia Cheng reassigns Medicare benefits to The Nemours Foundation (Wilmington, DE). 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 Sonia Cheng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sonia Cheng accept?
Health plans from AmeriHealth Caritas Next, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Sonia Cheng 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 Sonia Cheng was last updated on August 17, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Sonia S Cheng, MD · NPI 1528088432
Pediatrics physician in Wilmington, Delaware. Individual provider, active in the CMS NPPES registry since July 20, 2006.
## Identity
- **NPI:** 1528088432 (Entity type: Individual)
- **Enumerated:** July 20, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** C10010824 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 1600 ROCKLAND RD, Wilmington, DE 19803-3607
- **Phone:** (302) 651-4200 · **Fax:** (302) 651-4945
## 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:** The Nemours Foundation (NPI 1366594699, Wilmington, DE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 17, 2014
- **Other identifiers:** Medicare UPIN I02476 (PA); Medicaid 101042465 (PA); Medicare ID-Type Unspecified 077207 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1528088432) · Data from the CMS NPPES public registry.