HONGYU ZHANG
NPI 1609280551
Internal Medicine in Wilmington, DE
About Hongyu Zhang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HONGYU ZHANG (NPI 1609280551) is an individual internal medicine provider in Wilmington, Delaware, licensed in Delaware (C1-0012351) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Reading Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Hongyu Zhang is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
8Medicare enrollment records show Hongyu Zhang reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wilmington, DE 19805
- Reassigned Medicare billing, Delaware enrollment
- 66 clinicians in this Medicare group
Wilmington, DE 19805
- Reassigned Medicare billing, Delaware enrollment
- 13 clinicians in this Medicare group
West Chester, PA 19380
- Reassigned Medicare billing, Pennsylvania enrollment
- 983 clinicians in this Medicare group
Phoenixville, PA 19460
- Reassigned Medicare billing, Pennsylvania enrollment
- 529 clinicians in this Medicare group
Philadelphia, PA 19118
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,473 clinicians in this Medicare group
Pottstown, PA 19465
- Reassigned Medicare billing, Pennsylvania enrollment
- 474 clinicians in this Medicare group
East Stroudsburg, PA 18301
- Reassigned Medicare billing, Pennsylvania enrollment
- 103 clinicians in this Medicare group
Baton Rouge, LA 70816
- Reassigned Medicare billing, Delaware enrollment
- 41 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Reading Hospital
Acute Care Hospitals · West Reading, PAHospital Of Univ Of Pennsylvania
Acute Care Hospitals · Philadelphia, PAPottstown Hospital
Acute Care Hospitals · Pottstown, PAPhoenixville Hospital
Acute Care Hospitals · Phoenixville, PAChester County Hospital
Acute Care Hospitals · West Chester, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19805 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 19805
WILMINGTON, DE 19805
WILMINGTON, DE 19805
WILMINGTON, DE 19805
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 Hongyu Zhang's NPI number?
The NPI number for Hongyu Zhang is 1609280551. It was assigned to this individual provider in the NPPES registry on June 19, 2014.
Where is Hongyu Zhang located?
Hongyu Zhang practices at 701 N Clayton St, Wilmington, DE 19805. The listed phone number is (302) 421-4100.
What is Hongyu Zhang's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hongyu Zhang enrolled in Medicare?
Yes. Hongyu Zhang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Hongyu Zhang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hongyu Zhang reassigns Medicare benefits to 8 organizations: Inpatient Consultants Of Delaware, LLC (Wilmington, DE), Galen Inpatient Physicians PC (Wilmington, DE), Clinical Care Associates Of The University Of Pennsylvania Health (West Chester, PA), Phoenixville Clinic Company LLC (Phoenixville, PA), Tower Health Medical Group (Philadelphia, PA) and 3 more organizations, listed in the Medicare section above. 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 Hongyu Zhang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hongyu Zhang accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Hongyu Zhang 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.
Is Hongyu Zhang affiliated with any hospitals?
According to CMS data, Hongyu Zhang is affiliated with Reading Hospital, Hospital Of Univ Of Pennsylvania, Pottstown Hospital, Phoenixville Hospital and Chester County Hospital.
When was this NPI record last updated?
The NPPES record for Hongyu Zhang was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.