MICHAEL EDWARD POSSIN M.D.
NPI 1811253289
Ophthalmology - Retina Specialist in Appleton, WI
About Michael Edward Possin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL EDWARD POSSIN M.D. (NPI 1811253289) is an individual retina specialist in Appleton, Wisconsin, licensed in Wisconsin (65572) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Thedacare Regional Med Ctr - Neenah, and is a graduate of University Of Wisconsin School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses
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
Michael Edward Possin M.d. 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 Reassignment
Medicare enrollment records show Michael Possin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Appleton, WI 54914
- Reassigned Medicare billing, Wisconsin enrollment
- 7 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 13
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Thedacare Regional Med Ctr - Neenah
Acute Care Hospitals · Neenah, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54914 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
APPLETON, WI 54914
APPLETON, WI 54914
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 Michael Possin's NPI number?
The NPI number for Michael Possin is 1811253289. It was assigned to this individual provider in the NPPES registry on April 10, 2012.
Where is Michael Possin located?
Michael Possin practices at 442 N Westhill Blvd Ste A, Appleton, WI 54914. The listed phone number is (920) 751-8666.
What is Michael Possin's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.
Is Michael Possin enrolled in Medicare?
Yes. Michael Possin 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 organization bills Medicare for Michael Possin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Possin reassigns Medicare benefits to Northeast Wisconsin Retina Associates Sc (Appleton, 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 Michael Possin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Possin accept?
Health plans from Aspirus Health Plan, CareSource (Common Ground Healthcare), Dean Health Plan, HealthPartners and Network Health and 2 other insurers list Michael Possin 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 Michael Possin affiliated with any hospitals?
According to CMS data, Michael Possin is affiliated with Thedacare Regional Med Ctr - Neenah.
When was this NPI record last updated?
The NPPES record for Michael Possin was last updated on August 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.