DR. ERIN LEE PETERSON MD
NPI 1235367848
Internal Medicine in Fergus Falls, MN
About Dr. Erin Lee Peterson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIN LEE PETERSON MD (NPI 1235367848) is an individual internal medicine provider in Fergus Falls, Minnesota, licensed in Minnesota (21940) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Lake Region Healthcare Corporation, and is a graduate of University Of Minnesota Medical School (2009).
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
Dr. Erin Lee Peterson 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 Reassignment
Medicare enrollment records show Erin Peterson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fergus Falls, MN 56537
- Reassigned Medicare billing, Minnesota enrollment
- 183 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 7
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lake Region Healthcare Corporation
Acute Care Hospitals · Fergus Falls, MNPrairie Ridge Hospital And Health Services
Critical Access Hospitals · Elbow Lake, MNSanford Medical Center Fargo
Acute Care Hospitals · Fargo, NDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 56537 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 20
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 Erin Peterson's NPI number?
The NPI number for Erin Peterson is 1235367848. It was assigned to this individual provider in the NPPES registry on June 23, 2009.
Where is Erin Peterson located?
Erin Peterson practices at 712 S Cascade St, Fergus Falls, MN 56537. The listed phone number is (218) 736-8000.
What is Erin Peterson's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Erin Peterson enrolled in Medicare?
Yes. Erin Peterson 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 Erin Peterson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Peterson reassigns Medicare benefits to Lake Region Healthcare Corporation (Fergus Falls, 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 Erin Peterson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erin Peterson accept?
Health plans from Sanford Health Plan list Erin Peterson 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 Erin Peterson affiliated with any hospitals?
According to CMS data, Erin Peterson is affiliated with Lake Region Healthcare Corporation, Prairie Ridge Hospital And Health Services and Sanford Medical Center Fargo.
When was this NPI record last updated?
The NPPES record for Erin Peterson was last updated on February 16, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.