STEPHEN J MERFELD M.D.
NPI 1619957230
Ophthalmology in Oshkosh, WI
About Stephen J Merfeld M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN J MERFELD M.D. (NPI 1619957230) is an individual ophthalmology provider in Oshkosh, Wisconsin, licensed in Wisconsin (34248) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stephen J Merfeld M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stephen Merfeld reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oshkosh, WI 54904
- Reassigned Medicare billing, Wisconsin enrollment
- 6 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 54902 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.
Referred Medical Equipment & Supplies CMS DME claims 2
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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Stephen Merfeld's NPI number?
The NPI number for Stephen Merfeld is 1619957230. It was assigned to this individual provider in the NPPES registry on January 19, 2006.
Where is Stephen Merfeld located?
Stephen Merfeld practices at 1885 W Pointe Dr, Oshkosh, WI 54902. The listed phone number is (920) 232-6550.
What is Stephen Merfeld's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Stephen Merfeld enrolled in Medicare?
Yes. Stephen Merfeld is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stephen Merfeld's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Merfeld reassigns Medicare benefits to Northeast Wisconsin Vision Center, Ltd. (Oshkosh, WI). 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 Stephen Merfeld'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 Stephen Merfeld was last updated on July 10, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.