MARK S POLENTINI MD
NPI 1699752030
Emergency Medicine in Oconomowoc, WI
About Mark S Polentini Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK S POLENTINI MD (NPI 1699752030) is an individual emergency medicine provider in Oconomowoc, Wisconsin, licensed in Wisconsin (45242-020) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and maintains a secondary practice location in Milwaukee.
NPPES Registry Identity
Specialties & Licenses
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark S Polentini Md 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.
Areas of Expertise CMS Part B claims 7
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.
Waukesha Memorial Hospital
Acute Care Hospitals · Waukesha, WIPhysician 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.
Other Providers at the Same Location NPPES 15
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 Mark Polentini's NPI number?
The NPI number for Mark Polentini is 1699752030. It was assigned to this individual provider in the NPPES registry on December 28, 2005.
Where is Mark Polentini located?
Mark Polentini practices at 1284 N Summit Ave, Oconomowoc, WI 53066. The listed phone number is (262) 569-3080.
What is Mark Polentini's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Polentini enrolled in Medicare?
Yes. Mark Polentini 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.
What insurance does Mark Polentini accept?
Health plans from CareSource (Common Ground Healthcare) list Mark Polentini 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 Mark Polentini affiliated with any hospitals?
According to CMS data, Mark Polentini is affiliated with Waukesha Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Mark Polentini was last updated on December 29, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
