NPPES file of Aug 9, 2026

Susan Elizabeth Ash

Dermatology Physician · Duluth, MN

Susan Elizabeth Ash is a dermatology physician with a practice address in Duluth, Minnesota, and NPI 1487699807, issued on Jun 19, 2006. Check the license (Minnesota 41271, 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
1487699807
Name
Susan Elizabeth Ash
Primary taxonomy
Dermatology Physician 207N00000X
License number
41271 MN
Self-reported in NPPES; status is on the state search
Practice location
400 E 3RD St, Duluth, MN 55805
Phone
(218) 786-8364
Enumerated
Jun 19, 2006
Record last updated
May 5, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
945513200 MN
Medicare enrollment
Enrolled (PECOS I20100306000196); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 1994
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.
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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 Susan Elizabeth Ash 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 41271
    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

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30% fewer Medicare Part D claims than the average dermatology physician in 2024

555 Medicare Part D claims for 209 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.

  1. Susan Ash555
  2. Specialty average797

Most prescribed

  1. Ketoconazole74 claims
  2. Fluorouracil55 claims
  3. Doxycycline Monohydrate47 claims
  4. Mupirocin40 claims
  5. Triamcinolone Acetonide30 claims
  6. Metronidazole21 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.

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).

Dermatology Physician providers in Minnesota

There are 327 dermatology physician records in Minnesota.

Other dermatology physician records in Minnesota

  1. Angela Aakhus, M.D.Bemidji, MN1326330127
  2. Bishoy AbdelmalikRochester, MN1689420366
  3. Rewan AbdelwahabRochester, MN1013698323
  4. Alison Adams, M.D.Minneapolis, MN1467484014
  5. Mohsen Afarideh, MD, MPHRochester, MN1467181396
  6. Nessa Aghazadeh Mohandesi, MDRochester, MN1770089161
  7. Shruti Agrawal, MDRochester, MN1457883092
  8. Rehana Ahmed-Saucedo, M.D., PH.D.Burnsville, MN1427243898
  9. Jenna Aird, MDRochester, MN1568027159
  10. Afsaneh Alavi, MDRochester, MN1083211023

Common questions

What is Susan Elizabeth Ash's NPI number?

Susan Elizabeth Ash's National Provider Identifier (NPI) is 1487699807, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Susan Elizabeth Ash located?

The NPPES record lists a practice address at 400 E 3RD St, Duluth, MN, 55805. Phone: (218) 786-8364. Providers update this record themselves, so call before visiting.

How can I verify Susan Elizabeth Ash's license?

NPPES lists Minnesota license number 41271, 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 Susan Elizabeth Ash prescribe under Medicare Part D?

In 2024, Susan Elizabeth Ash had 555 Medicare Part D claims for 209 beneficiaries; the average among dermatology physician prescribers was 797. 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.