NPPES file of Aug 9, 2026

Katherine Ann Beresford, M.D.

Sleep Medicine (Psychiatry & Neurology) Physician · Duluth, MN

Katherine Ann Beresford, M.D. is a sleep medicine (psychiatry & neurology) physician with a practice address in Duluth, Minnesota, and NPI 1912151747, issued on Nov 6, 2008. Check the license (Minnesota 55217, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912151747
Name
Katherine Ann Beresford
Credential
M.D.
Primary taxonomy
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X
License number
55217 MN
Self-reported in NPPES; status is on the state search
Practice location
400 E 3RD St, Duluth, MN 55805
Phone
(218) 786-3993
Enumerated
Nov 6, 2008
Record last updated
Sep 29, 2022
Medicare enrollment
Enrolled (PECOS I20120914000628); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 2007
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 400 E 3RD St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Peter Aas, MDHospitalist Physician1063455848
  2. Amina Adil, MDCardiovascular Disease Physician1336482314
  3. Rahul Aggarwal, M.D.Pediatric Critical Care Medicine Physician1336198332
  4. Olubisi Akinseloyin, MDHospitalist Physician1619309010
  5. Glenn Albin, M.DCardiovascular Disease Physician1902851116
  6. David AlexanderDiagnostic Radiology Physician1932135936

Verify Katherine Ann Beresford in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 55217
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Minnesota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

83% fewer Medicare Part D claims than the average sleep medicine (psychiatry & neurology) physician in 2024

112 Medicare Part D claims for 80 beneficiaries, against an average of 655 among the 377 providers of this specialty who prescribed in Part D.

  1. Katherine Beresford112
  2. Specialty average655

Most prescribed

  1. Zaleplon69 claims
  2. Eszopiclone21 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $68.75

1 payment: food and beverage; the largest payer was Inspire Medical Systems, Inc. The 278 providers of this specialty with any payment received $5,572.43 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Beresford$68.75
  2. Specialty average$5,572.43

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Duluth Clinic LtdDuluth, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sleep Medicine (Psychiatry & Neurology) Physician providers in Minnesota

There are 19 sleep medicine (psychiatry & neurology) physician records in Minnesota.

Other sleep medicine (psychiatry & neurology) physician records in Minnesota

  1. Margaret Blattner, MD, PHDRochester, MN1619358371
  2. Michel Cramer-Bornemann, MDRochester, MN1497702526
  3. John Damergis, M.D.Bloomington, MN1205004249
  4. Michelle Devine, MDRochester, MN1891113833
  5. Wendy Edlund, MDRochester, MN1104205160
  6. Tacjana Friday, MDBlaine, MN1407981210
  7. John Garcia, MDSaint Paul, MN1275585861
  8. Erin Golden, MDMinneapolis, MN1841584091
  9. Thomas Hurwitz, M.D.Minneapolis, MN1396778403
  10. Rakesh John, MDEdina, MN1487800249

Common questions

What is Katherine Ann Beresford, M.D.'s NPI number?

Katherine Ann Beresford, M.D.'s National Provider Identifier (NPI) is 1912151747, issued on Nov 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Ann Beresford, M.D. located?

The NPPES record lists a practice address at 400 E 3RD St, Duluth, MN, 55805. Phone: (218) 786-3993. Providers update this record themselves, so call before visiting.

How can I verify Katherine Ann Beresford, M.D.'s license?

NPPES lists Minnesota license number 55217, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine Ann Beresford, M.D. prescribe under Medicare Part D?

In 2024, Katherine Ann Beresford, M.D. had 112 Medicare Part D claims for 80 beneficiaries; the average among sleep medicine (psychiatry & neurology) physician prescribers was 655. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.