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

Peggy J Maasjo, NP

Individual provider Nurse Practitioner · NPI 1508883117

Peggy J Maasjo, NP is a Nurse Practitioner in Detroit Lakes, Minnesota. Qualified in 1999, 27 years ago. Practices with Sanford Medical Center Fargo, a 1,212-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
27
Licensed in
MN
In the registry since
2006
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

1245 Washington Ave
Detroit Lakes, MN 56501-3905
Phone: (218) 846-2000
Fax: (218) 846-2114
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence R0876577 (MN)

Record details

NPI number1508883117
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJuly 17, 2006
Last updated in NPPESSeptember 11, 2008

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Sanford Medical Center Fargo — 1212 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Detroit Lakes