GRETCHEN WAGNER MD
NPI 1194187864
Family Medicine in Greenville, WI
About Gretchen Wagner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRETCHEN WAGNER MD (NPI 1194187864) is an individual family medicine provider in Greenville, Wisconsin, licensed in Wisconsin (67986-20) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Ascension Ne Wisconsin - St Elizabeth Campus, and maintains a secondary practice location in Milwaukee.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Gretchen Wagner 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 Reassignment
Medicare enrollment records show Gretchen Wagner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Neenah, WI 54956
- Reassigned Medicare billing, Wisconsin enrollment
- 444 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 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension NE Wisconsin - St Elizabeth Campus
Acute Care Hospitals · Appleton, WIThedacare Regional Med Ctr - Neenah
Acute Care Hospitals · Neenah, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54942 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENVILLE, WI 54942
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 Gretchen Wagner's NPI number?
The NPI number for Gretchen Wagner is 1194187864. It was assigned to this individual provider in the NPPES registry on March 22, 2016.
Where is Gretchen Wagner located?
Gretchen Wagner practices at W6981 Parkview Dr, Greenville, WI 54942. The listed phone number is (920) 882-2400.
What is Gretchen Wagner's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Gretchen Wagner enrolled in Medicare?
Yes. Gretchen Wagner 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 Gretchen Wagner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Wagner reassigns Medicare benefits to Ascension Medical Group-Fox Valley Wisconsin, Inc (Neenah, 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 Gretchen Wagner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gretchen Wagner accept?
Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan and Network Health list Gretchen Wagner 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 Gretchen Wagner affiliated with any hospitals?
According to CMS data, Gretchen Wagner is affiliated with Ascension NE Wisconsin - St Elizabeth Campus and Thedacare Regional Med Ctr - Neenah.
When was this NPI record last updated?
The NPPES record for Gretchen Wagner was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Gretchen Wagner, MD · NPI 1194187864
Family Medicine physician in Greenville, Wisconsin. Individual provider, active in the CMS NPPES registry since March 22, 2016.
## Identity
- **NPI:** 1194187864 (Entity type: Individual)
- **Enumerated:** March 22, 2016
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 67986-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** W6981 PARKVIEW DR, Greenville, WI 54942-8034
- **Phone:** (920) 882-2400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Ascension Medical Group-Fox Valley Wisconsin, Inc (NPI 1730126392, Neenah, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2016
## Record status
- **NPPES last updated:** October 16, 2025
- **Other identifiers:** Medicaid 100071647 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1194187864) · Data from the CMS NPPES public registry.