DR. KATHERINE ANN BERESFORD M.D.
NPI 1912151747
Psychiatry & Neurology - Sleep Medicine in Duluth, MN
About Dr. Katherine Ann Beresford M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHERINE ANN BERESFORD M.D. (NPI 1912151747) is an individual sleep medicine provider in Duluth, Minnesota, licensed in Minnesota (55217) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and is a graduate of University Of Minnesota Medical School (2007).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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. Katherine Ann Beresford M.d. 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 Katherine Beresford reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Duluth, MN 55805
- Reassigned Medicare billing, Minnesota and Wisconsin enrollments
- 1,460 clinicians in this Medicare group
Superior, WI 54880
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: St Marys Hospital Of Superior
- 381 clinicians in this Medicare group
Virginia, MN 55792
- Reassigned Medicare billing, Minnesota enrollment
- 171 clinicians in this Medicare group
Grand Rapids, MN 55744
- Reassigned Medicare billing, Minnesota enrollment
- 171 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.
Essentia Health St Mary's Medical Center
Acute Care Hospitals · Duluth, MNEssentia Health Duluth
Acute Care Hospitals · Duluth, MNEssentia Health Virginia
Acute Care Hospitals · Virginia, MNEssentia Health Deer River
Critical Access Hospitals · Deer River, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55805 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 18
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 Katherine Beresford's NPI number?
The NPI number for Katherine Beresford is 1912151747. It was assigned to this individual provider in the NPPES registry on November 6, 2008. The provider is also known as Katherine Ann Stephenson M.D..
Where is Katherine Beresford located?
Katherine Beresford practices at 400 E 3rd St Essentia Health Duluth Clinic, Duluth, MN 55805. The listed phone number is (218) 786-3993.
What is Katherine Beresford's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.
Is Katherine Beresford enrolled in Medicare?
Yes. Katherine Beresford 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 Katherine Beresford's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Beresford reassigns Medicare benefits to 4 organizations: The Duluth Clinic, Ltd (Duluth, MN), St. Mary's Hospital Of Superior (Superior, WI), Essentia Health Virginia, LLC (Virginia, MN) and Deer River Healthcare Center, Inc. (Grand Rapids, 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 Katherine Beresford's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Beresford accept?
Health plans from HealthPartners, Sanford Health Plan and Security Health Plan list Katherine Beresford 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 Katherine Beresford affiliated with any hospitals?
According to CMS data, Katherine Beresford is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Duluth, Essentia Health Virginia and Essentia Health Deer River.
When was this NPI record last updated?
The NPPES record for Katherine Beresford was last updated on September 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Katherine Ann Beresford, M.D. · NPI 1912151747
Sleep Medicine physician in Duluth, Minnesota. Individual provider, active in the CMS NPPES registry since November 6, 2008.
## Identity
- **NPI:** 1912151747 (Entity type: Individual)
- **Enumerated:** November 6, 2008
- **Primary specialty:** Psychiatry & Neurology - Sleep Medicine · taxonomy 2084S0012X
- **State license:** 55217 (Minnesota)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 400 E 3RD ST, ESSENTIA HEALTH DULUTH CLINIC, Duluth, MN 55805-1951
- **Phone:** (218) 786-3993
## 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): The Duluth Clinic, Ltd (NPI 1245278209, Duluth, MN); St. Mary's Hospital Of Superior (NPI 1083657886, Superior, WI); Essentia Health Virginia, LLC (NPI 1083617120, Virginia, MN); Deer River Healthcare Center, Inc. (NPI 1093152423, Grand Rapids, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 2007
## Record status
- **NPPES last updated:** September 29, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1912151747) · Data from the CMS NPPES public registry.