MITCHELL O FREMSTAD FNP
NPI 1023689783
Nurse Practitioner in Rochester, MN
About Mitchell O Fremstad Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MITCHELL O FREMSTAD FNP (NPI 1023689783) is an individual nurse practitioner in Rochester, Minnesota, licensed in Minnesota (8553) and active in the NPI registry since July 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in Eau Claire.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mitchell O Fremstad Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mitchell Fremstad reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Menomonie, WI 54751
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1154372944 (Wisconsin), NPI 1912958026 (Wisconsin), NPI 1700837812 (Wisconsin), NPI 1740239557 (Wisconsin)
- 1,248 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55905 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.
ROCHESTER, MN 55905
ROCHESTER, MN 55905
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 Mitchell Fremstad's NPI number?
The NPI number for Mitchell Fremstad is 1023689783. It was assigned to this individual provider in the NPPES registry on July 5, 2021.
Where is Mitchell Fremstad located?
Mitchell Fremstad practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.
What is Mitchell Fremstad's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Mitchell Fremstad enrolled in Medicare?
Yes. Mitchell Fremstad is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mitchell Fremstad's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mitchell Fremstad reassigns Medicare benefits to Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Menomonie, 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 Mitchell Fremstad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mitchell Fremstad was last updated on September 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.