CHARLES WANG, MD, PA
NPI 1306903364
Ophthalmology in Wilmington, DE
About Charles Wang, Md, Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES WANG, MD, PA (NPI 1306903364) is a healthcare organization registered as an ophthalmology in Wilmington, Delaware and active in the NPI registry since January 2007. The organization lists Renee Refalski, Billing, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Charles Wang, Md, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Charles Wang, MD, PA, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Charles Wang, MD, PA's NPI number?
The NPI number for Charles Wang, MD, PA is 1306903364. It was assigned to this organization in the NPPES registry on January 2, 2007.
Where is Charles Wang, MD, PA located?
Charles Wang, MD, PA is located at 1700 Wawaset St Suite 200, Wilmington, DE 19806. The listed phone number is (302) 655-1500.
What is Charles Wang, MD, PA's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Charles Wang, MD, PA enrolled in Medicare?
Yes. Charles Wang, MD, PA is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Charles Wang, MD, PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Ophthalmology, reassign their Medicare billing to Charles Wang, MD, PA. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Charles Wang, MD, PA accept?
Health plans from Highmark Blue Cross Blue Shield Delaware list Charles Wang, MD, PA 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 Charles Wang, MD, PA was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# Charles Wang, Md, Pa · NPI 1306903364
Ophthalmology organization in Wilmington, Delaware. Organization record, active in the CMS NPPES registry since January 2, 2007.
## Identity
- **NPI:** 1306903364 (Entity type: Organization)
- **Enumerated:** January 2, 2007
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **Organization subpart:** No
- **Authorized official:** Renee Refalski, BILLING
## Practice location
- **Address:** 1700 WAWASET ST, SUITE 200, Wilmington, DE 19806-2142
- **Phone:** (302) 655-1500 · **Fax:** (302) 655-4084
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians (Ophthalmology) reassign Medicare billing to this organization (form CMS-855R); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 20, 2026
- **Other identifiers:** Medicaid 0000188202 (DE); Medicaid 3885003 (NJ); Medicaid 0018777480001 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1306903364) · Data from the CMS NPPES public registry.