MARK S SPANKOWSKI OD
NPI 1831223338
Optometrist in Oconomowoc, WI
About Mark S Spankowski Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK S SPANKOWSKI OD (NPI 1831223338) is an individual optometrist in Oconomowoc, Wisconsin, licensed in Wisconsin (1834-035) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark S Spankowski Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Spankowski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lake Geneva, WI 53147
- Reassigned Medicare billing, Wisconsin enrollment
- 4 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 53066 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Mark Spankowski's NPI number?
The NPI number for Mark Spankowski is 1831223338. It was assigned to this individual provider in the NPPES registry on March 15, 2007.
Where is Mark Spankowski located?
Mark Spankowski practices at 608 E. Summit Ave., Oconomowoc, WI 53066. The listed phone number is (262) 567-6565.
What is Mark Spankowski's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Mark Spankowski enrolled in Medicare?
Yes. Mark Spankowski is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Spankowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Spankowski reassigns Medicare benefits to Family Eye Care Of Lake Geneva, S.C. (Lake Geneva, 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 Mark Spankowski'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 Mark Spankowski was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.