PEGGY J MAASJO NP
NPI 1508883117
Nurse Practitioner in Detroit Lakes, MN
About Peggy J Maasjo Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PEGGY J MAASJO NP (NPI 1508883117) is an individual nurse practitioner in Detroit Lakes, Minnesota, licensed in Minnesota (299) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Sanford Medical Center Fargo, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
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
Peggy J Maasjo Np 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 Reassignment
Medicare enrollment records show Peggy Maasjo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pelican Rapids, MN 56572
- Reassigned Medicare billing, Minnesota enrollment
- 376 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 18
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.
Sanford Medical Center Fargo
Acute Care Hospitals · Fargo, NDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 56501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 21
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Peggy Maasjo's NPI number?
The NPI number for Peggy Maasjo is 1508883117. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Peggy Maasjo located?
Peggy Maasjo practices at 1245 Washington Ave, Detroit Lakes, MN 56501. The listed phone number is (218) 846-2000.
What is Peggy Maasjo's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Peggy Maasjo enrolled in Medicare?
Yes. Peggy Maasjo 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 organization bills Medicare for Peggy Maasjo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peggy Maasjo reassigns Medicare benefits to Sanford Medical Center Fargo (Pelican Rapids, MN). 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 Peggy Maasjo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peggy Maasjo accept?
Health plans from Sanford Health Plan and Security Health Plan list Peggy Maasjo 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 Peggy Maasjo affiliated with any hospitals?
According to CMS data, Peggy Maasjo is affiliated with Sanford Medical Center Fargo.
When was this NPI record last updated?
The NPPES record for Peggy Maasjo was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.
# Peggy J Maasjo, NP · NPI 1508883117
Nurse Practitioner physician in Detroit Lakes, Minnesota. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1508883117 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 299 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1245 WASHINGTON AVE, Detroit Lakes, MN 56501-3923
- **Phone:** (218) 846-2000
## 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:** Sanford Medical Center Fargo (NPI 1114953627, Pelican Rapids, MN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** October 1, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1508883117) · Data from the CMS NPPES public registry.