NPPES file of Aug 9, 2026

Sarah Elizabeth Diaz, DO

Surgery Physician · Duluth, MN

Sarah Elizabeth Diaz, DO is a surgery physician with a practice address in Duluth, Minnesota, and NPI 1376903708, issued on Feb 26, 2016. Check the license (Minnesota 78919, 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
1376903708
Name
Sarah Elizabeth Diaz
Credential
DO
Primary taxonomy
Surgery Physician 208600000X
License numbers
78919 MN
5101022337 MI
81775 WI
Self-reported in NPPES; status is on the state search
Practice location
400 E 3RD St, Duluth, MN 55805
Phone
(218) 786-8364
Enumerated
Feb 26, 2016
Record last updated
Jun 24, 2025
Medicare enrollment
Enrolled (PECOS I20250703002784); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2016
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 Sarah Elizabeth Diaz 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 78919
    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.

2.9 times the Medicare Part D claims of the average surgery physician in 2024

419 Medicare Part D claims for 310 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims. 11 claims were for opioids.

  1. Sarah Diaz419
  2. Specialty average147

Most prescribed

  1. Gavilyte-G107 claims
  2. Peg-3350 And Electrolytes84 claims
  3. Metronidazole45 claims
  4. Neomycin Sulfate43 claims
  5. Sutab29 claims
  6. Peg 3350-Electrolyte16 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).

Sarah Elizabeth Diaz among 742 surgery physician records in Minnesota

Sarah Elizabeth Diaz, DO is one of 742 surgery physician records with a practice address in Minnesota. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 70% of them.

  • NPI issued2016 · 70% of these records are older, 28% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2016 · median 2009 among the 430 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Minnesota

There are 742 surgery physician records in Minnesota.

The 8 surgery physician records with the nearest ZIP codes

  1. John Baxter, MDDuluth, MN 558051831178409
  2. John BollinsDuluth, MN 558051255461745
  3. Mary Boylan, MDDuluth, MN 558051851343131
  4. Stephen Huddleston, MDDuluth, MN 558051104037621
  5. Jay LenzDuluth, MN 558051023171444
  6. Ryan Lussenden, MDDuluth, MN 558051649482910
  7. Kathleen MonaghanDuluth, MN 558051508926536
  8. Mark Monte, MDDuluth, MN 558051164472692

Common questions

What is Sarah Elizabeth Diaz, DO's NPI number?

Sarah Elizabeth Diaz, DO's National Provider Identifier (NPI) is 1376903708, issued on Feb 26, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Elizabeth Diaz, DO 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 Sarah Elizabeth Diaz, DO's license?

NPPES lists Minnesota license number 78919, 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 Sarah Elizabeth Diaz, DO prescribe under Medicare Part D?

In 2024, Sarah Elizabeth Diaz, DO had 419 Medicare Part D claims for 310 beneficiaries; the average among surgery physician prescribers was 147. 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.