TIMOTHY D ZELLMER MD
NPI 1205397502
Radiology - Diagnostic Radiology in Milwaukee, WI
About Timothy D Zellmer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY D ZELLMER MD (NPI 1205397502) is an individual diagnostic radiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (77813) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Secondary Practice Location 1
Other Identifiers 1
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
Timothy D Zellmer 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 3
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurora St Lukes Medical Center
Acute Care Hospitals · Milwaukee, WIWest Allis Memorial Hospital
Acute Care Hospitals · West Allis, WIAurora Medical Center Kenosha
Acute Care Hospitals · Kenosha, WIAurora Medical Center - Summit
Acute Care Hospitals · Summit, WIAurora Medical Center
Acute Care Hospitals · Grafton, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53215 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 20
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 Timothy Zellmer's NPI number?
The NPI number for Timothy Zellmer is 1205397502. It was assigned to this individual provider in the NPPES registry on March 28, 2019.
Where is Timothy Zellmer located?
Timothy Zellmer practices at 2900 W Oklahoma Ave, Milwaukee, WI 53215. The listed phone number is (414) 649-6000.
What is Timothy Zellmer's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Timothy Zellmer enrolled in Medicare?
Yes. Timothy Zellmer 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 Timothy Zellmer accept?
Health plans from CareSource (Common Ground Healthcare) list Timothy Zellmer 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 Timothy Zellmer affiliated with any hospitals?
According to CMS data, Timothy Zellmer is affiliated with Aurora St Lukes Medical Center, West Allis Memorial Hospital, Aurora Medical Center Kenosha, Aurora Medical Center - Summit and Aurora Medical Center.
When was this NPI record last updated?
The NPPES record for Timothy Zellmer was last updated on February 17, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
