ANN NICOLE STUMPF MD, MPH, RN
NPI 1427518554
Anesthesiology in Madison, WI
About Ann Nicole Stumpf Md, Mph, Rn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN NICOLE STUMPF MD, MPH, RN (NPI 1427518554) is an individual anesthesiology provider in Madison, Wisconsin, licensed in Wisconsin (84346) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and is a graduate of University Of Wisconsin School Of Medicine (2019).
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
Ann Nicole Stumpf Md, Mph, Rn 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 Ann Stumpf reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 62 clinicians in this Medicare group
Middleton, WI 53562
- Reassigned Medicare billing, Wisconsin enrollment
- 2,832 clinicians in this Medicare group
Glenwood Springs, CO 81601
- Reassigned Medicare billing, Colorado enrollment
- 32 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 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MADISON, WI 53792
MADISON, WI 53792
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 Ann Stumpf's NPI number?
The NPI number for Ann Stumpf is 1427518554. It was assigned to this individual provider in the NPPES registry on March 24, 2019.
Where is Ann Stumpf located?
Ann Stumpf practices at 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-8100.
What is Ann Stumpf's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ann Stumpf enrolled in Medicare?
Yes. Ann Stumpf 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 Ann Stumpf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Stumpf reassigns Medicare benefits to 3 organizations: Generations Fertility Care Inc (Middleton, WI), University Of Wisconsin Medical Foundation, Inc (Middleton, WI) and Glenwood Anesthesia Professionals, PC (Glenwood Springs, CO). 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 Ann Stumpf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Stumpf accept?
Health plans from Group Health Cooperative-SCW list Ann Stumpf 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 Ann Stumpf affiliated with any hospitals?
According to CMS data, Ann Stumpf is affiliated with University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for Ann Stumpf was last updated on December 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.
# Ann Nicole Stumpf, MD, MPH, RN · NPI 1427518554
Anesthesiology physician in Madison, Wisconsin. Individual provider, active in the CMS NPPES registry since March 24, 2019.
## Identity
- **NPI:** 1427518554 (Entity type: Individual)
- **Enumerated:** March 24, 2019
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 84346 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 HIGHLAND AVE, Madison, WI 53792-4227
- **Phone:** (608) 263-8100
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Generations Fertility Care Inc (NPI 1093025686, Middleton, WI); University Of Wisconsin Medical Foundation, Inc (NPI 1598784555, Middleton, WI); Glenwood Anesthesia Professionals, PC (NPI 1013335389, Glenwood Springs, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** December 16, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1427518554) · Data from the CMS NPPES public registry.