DR. MONTY S SEPER MD
NPI 1871543371
Emergency Medicine in Northfield, MN
About Dr. Monty S Seper Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MONTY S SEPER MD (NPI 1871543371) is an individual emergency medicine provider in Northfield, Minnesota, licensed in Minnesota (39428) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Northfield Hospital, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Dr. Monty S Seper Md 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 Reassignments
4Medicare enrollment records show Monty Seper reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Northfield, MN 55057
- Reassigned Medicare billing, Minnesota enrollment
- 249 clinicians in this Medicare group
Northfield, MN 55057
- Reassigned Medicare billing, Minnesota enrollment
- 3,733 clinicians in this Medicare group
Mankato, MN 56001
- Reassigned Medicare billing, Minnesota enrollment
- 26 clinicians in this Medicare group
Winona, MN 55987
- Reassigned Medicare billing, Minnesota enrollment
- 330 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 5
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northfield Hospital
Acute Care Hospitals · Northfield, MNAllina Health Faribault Medical Center
Acute Care Hospitals · Faribault, MNCook Hospital
Critical Access Hospitals · Cook, MNBigfork Valley Hospital
Critical Access Hospitals · Bigfork, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55057 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.
NORTHFIELD, MN 55057
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 Monty Seper's NPI number?
The NPI number for Monty Seper is 1871543371. It was assigned to this individual provider in the NPPES registry on May 12, 2006.
Where is Monty Seper located?
Monty Seper practices at 2000 North Ave, Northfield, MN 55057. The listed phone number is (507) 646-1000.
What is Monty Seper's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Monty Seper enrolled in Medicare?
Yes. Monty Seper 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 organizations bill Medicare for Monty Seper's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Monty Seper reassigns Medicare benefits to 4 organizations: Northfield Hospital (Northfield, MN), Allina Health System (Northfield, MN), Orthopaedic & Fracture Clinic, P.A. (Mankato, MN) and Winona Health Services (Winona, MN). Each 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 Monty Seper's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Monty Seper accept?
Health plans from HealthPartners list Monty Seper 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 Monty Seper affiliated with any hospitals?
According to CMS data, Monty Seper is affiliated with Northfield Hospital, Allina Health Faribault Medical Center, Cook Hospital and Bigfork Valley Hospital.
When was this NPI record last updated?
The NPPES record for Monty Seper was last updated on March 10, 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.
# Dr. Monty S Seper, MD · NPI 1871543371
Emergency Medicine physician in Northfield, Minnesota. Individual provider, active in the CMS NPPES registry since May 12, 2006.
## Identity
- **NPI:** 1871543371 (Entity type: Individual)
- **Enumerated:** May 12, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 39428 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 2000 NORTH AVE, Northfield, MN 55057-1498
- **Phone:** (507) 646-1000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Northfield Hospital (NPI 1154350783, Northfield, MN); Allina Health System (NPI 1649576380, Northfield, MN); Orthopaedic & Fracture Clinic, P.A. (NPI 1659346609, Mankato, MN); Winona Health Services (NPI 1295789352, Winona, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** March 10, 2021
- **Other identifiers:** Medicaid 121525600 (MN)
---
Source: [NPI Profile](https://npiprofile.com/npi/1871543371) · Data from the CMS NPPES public registry.