DR. GREGORY PETERMANN MD
NPI 1932199940
Radiology - Diagnostic Radiology in Marshfield, WI
About Dr. Gregory Petermann Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY PETERMANN MD (NPI 1932199940) is an individual diagnostic radiology provider in Marshfield, Wisconsin, licensed in Hawaii (6740) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center - Rice Lake, and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (1988).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Gregory Petermann 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.
Medicare Billing Reassignments
3Medicare enrollment records show Gregory Petermann reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marshfield, WI 54449
- Reassigned Medicare billing, Hawaii and Wisconsin enrollments
- 2 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Hawaii and Wisconsin enrollments
- Also billed through NPI 1952890873 (Wisconsin)
- 2 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 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 22
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.
Marshfield Medical Center - Rice Lake
Acute Care Hospitals · Rice Lake, WIMarshfield Medical Center
Acute Care Hospitals · Marshfield, WIMarshfield Medical Center - Weston
Acute Care Hospitals · Weston, WIMarshfield Medical Center - Eau Claire
Acute Care Hospitals · Eau Claire, WIMarshfield Medical Center - Minocqua
Acute Care Hospitals · Minocqua, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54449 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.
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.
MARSHFIELD, WI 54449
MARSHFIELD, WI 54449
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 Gregory Petermann's NPI number?
The NPI number for Gregory Petermann is 1932199940. It was assigned to this individual provider in the NPPES registry on October 21, 2005.
Where is Gregory Petermann located?
Gregory Petermann practices at 1000 N Oak Ave Marshfield Clinic, Marshfield, WI 54449. The listed phone number is (715) 349-3555.
What is Gregory Petermann's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Gregory Petermann enrolled in Medicare?
Yes. Gregory Petermann 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 organizations bill Medicare for Gregory Petermann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Petermann reassigns Medicare benefits to 3 organizations: Marshfield Clinic Inc (Marshfield, WI), Mchs Hospitals Inc (Marshfield, WI) and Lakeview Medical Center Inc Of Rice Lake (Chetek, WI). Each 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 Gregory Petermann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Petermann accept?
Health plans from Sanford Health Plan list Gregory Petermann 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 Gregory Petermann affiliated with any hospitals?
According to CMS data, Gregory Petermann is affiliated with Marshfield Medical Center - Rice Lake, Marshfield Medical Center, Marshfield Medical Center - Weston, Marshfield Medical Center - Eau Claire and Marshfield Medical Center - Minocqua.
When was this NPI record last updated?
The NPPES record for Gregory Petermann was last updated on November 17, 2022. 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.