Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Marie Lynn Steffl, CNP

Individual provider Gerontology Nurse Practitioner · NPI 1427484781

Mrs. Marie Lynn Steffl, CNP is a Nurse Practitioner in Mankato, Minnesota. Qualified in 2013, 13 years ago. Practices with Mayo Clinic Health System-Southwest Minnesota Region, a 667-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Minnesota.

Years since qualifying
13
Licensed in
MN
In the registry since
2013
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

1025 Marsh St
Mankato, MN 56001-4752
Phone: (507) 625-4031
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1324 5th St N, New Ulm, MN 56073-1514 — (507) 233-1000

Specialties & licences

Gerontology Nurse Practitioner (primary) Taxonomy 363LG0600X · Licence R1847259 (MN)

Record details

NPI number1427484781
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP
Sole proprietorNo
NPI enumeratedSeptember 18, 2013
Last updated in NPPESSeptember 18, 2020
Certification dateSeptember 18, 2020

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Mayo Clinic Health System-Southwest Minnesota Region — 667 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare