Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Gretchen Lindsey Fischer, APRN-CNP

Individual provider Family Nurse Practitioner · NPI 1558810705

Gretchen Lindsey Fischer, APRN-CNP is a Nurse Practitioner in Mankato, Minnesota. Qualified in 2016, 10 years ago. Practices with Mayo Clinic Health System-Southwest Minnesota Region, a 667-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
10
Licensed in
MN
In the registry since
2016
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Practice location Address checks out

1025 Marsh St
Mankato, MN 56001-4752
Phone: (507) 625-4031
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1230 E Main St, Mankato, MN 56001-5066 — (507) 625-1811

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 4846 (MN)

Record details

NPI number1558810705
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN-CNP
Sole proprietorNo
NPI enumeratedSeptember 29, 2016
Last updated in NPPESOctober 5, 2020
Certification dateOctober 5, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Mayo Clinic Health System-Southwest Minnesota Region — 667 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients30
Services billed 58 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Mayo Clinic Health System-Southwest Minnesota Region

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 667 clinicians in the practice; 12 are shown here.

Other providers in Mankato