JOHN B FERGUSON III MD
NPI 1790780534
Ophthalmology in Wilmington, DE
About John B Ferguson Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN B FERGUSON III MD (NPI 1790780534) is an individual ophthalmology provider in Wilmington, Delaware, licensed in Delaware (DI-0000754) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John B Ferguson Iii Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Ferguson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wilmington, DE 19808
- Reassigned Medicare billing, Delaware enrollment
- 8 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 19808 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WILMINGTON, DE 19808
WILMINGTON, DE 19808
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 John Ferguson's NPI number?
The NPI number for John Ferguson is 1790780534. It was assigned to this individual provider in the NPPES registry on June 17, 2005.
Where is John Ferguson located?
John Ferguson practices at 2710 Centerville Rd Ste 102, Wilmington, DE 19808. The listed phone number is (302) 993-1300.
What is John Ferguson's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is John Ferguson enrolled in Medicare?
Yes. John Ferguson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Ferguson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Ferguson reassigns Medicare benefits to Delaware Eye Surgeons PA (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 John Ferguson'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 John Ferguson was last updated on October 25, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# John B Ferguson III, MD · NPI 1790780534
Ophthalmology physician in Wilmington, Delaware. Individual provider, active in the CMS NPPES registry since June 17, 2005.
## Identity
- **NPI:** 1790780534 (Entity type: Individual)
- **Enumerated:** June 17, 2005
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** DI-0000754 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 2710 CENTERVILLE RD, STE 102, Wilmington, DE 19808-1652
- **Phone:** (302) 993-1300 · **Fax:** (302) 993-1400
## 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:** Delaware Eye Surgeons PA (NPI 1609956846, Wilmington, DE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 25, 2012
- **Other identifiers:** Medicare ID-Type Unspecified 007017D54 (DE); Medicare UPIN D01147 (DE); Medicaid 0000157601 (DE)
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Source: [NPI Profile](https://npiprofile.com/npi/1790780534) · Data from the CMS NPPES public registry.