NPPES file of Aug 9, 2026

Trevor John Diercks, DO

Family Medicine Physician · Two Harbors, MN

Trevor John Diercks, DO is a family medicine physician with a practice address in Two Harbors, Minnesota, and NPI 1952864076, issued on Apr 8, 2019. Check the license (Minnesota 72290, 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
1952864076
Name
Trevor John Diercks
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
72290 MN
74574 WI
7908 WI
Self-reported in NPPES; status is on the state search
Practice location
325 11TH Ave, Two Harbors, MN 55616
Phone
(218) 249-5555
Enumerated
Apr 8, 2019
Record last updated
Aug 8, 2022
Medicare enrollment
Enrolled (PECOS I20210426000689); accepts Medicare assignment
Medical or professional school
Des Moines University Of Osteopathic Medicine And Health Sciences, 2019
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.
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Also registered at 325 11TH Ave

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

  1. Melissa Clark, MSW, LICSWClinical Social Worker1275300303
  2. Lee Cohen, MDFamily Medicine Physician1487671053
  3. Bryan Cox, DPTPhysical Therapist1184506453
  4. Claire Dzierzak, LPCCProfessional Counselor1447074828
  5. Debra Ellison, MSW, LICSWClinical Social Worker1326077652
  6. Elizabeth Feist, MDFamily Medicine Physician1730536590

Verify Trevor John Diercks 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 72290
    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.

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27% more Medicare Part D claims than the average family medicine physician in 2024

4,492 Medicare Part D claims for 457 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 218 claims were for opioids.

  1. Trevor Diercks4,492
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium261 claims
  2. Lisinopril172 claims
  3. Amlodipine Besylate165 claims
  4. Losartan Potassium159 claims
  5. Gabapentin129 claims
  6. Metoprolol Succinate115 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. St. Luke's Hospital OF DuluthDuluth, MN

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

10 family medicine physician records list a practice address in Two Harbors

They are 10 of the 97 NPPES records with a practice address in Two Harbors, and 3,985 family medicine physician records in Minnesota.

Other family medicine physician records in Minnesota

  1. Allison AaseMinneapolis, MN1255028239
  2. Lise Aasheim, M.D.Albert Lea, MN1871571851
  3. Cherry Abary, D.O.Eden Prairie, MN1821019712
  4. Jihan Abbott, D.O.Woodbury, MN1306138870
  5. Andrea Abcejo, MDByron, MN1700143153
  6. Mona Abdel-Bary, MBBCHFridley, MN1689067860
  7. Yasmin Abdulaya, MDSaint Cloud, MN1437892536
  8. Bangean Abdullah, MDCoon Rapids, MN1952363137
  9. Ryan Aberle, MDRobbinsdale, MN1639732928
  10. Gregory Abler, MDMorris, MN1609889740

Common questions

What is Trevor John Diercks, DO's NPI number?

Trevor John Diercks, DO's National Provider Identifier (NPI) is 1952864076, issued on Apr 8, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Trevor John Diercks, DO located?

The NPPES record lists a practice address at 325 11TH Ave, Two Harbors, MN, 55616. Phone: (218) 249-5555. Providers update this record themselves, so call before visiting.

How can I verify Trevor John Diercks, DO's license?

NPPES lists Minnesota license number 72290, 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 Trevor John Diercks, DO prescribe under Medicare Part D?

In 2024, Trevor John Diercks, DO had 4,492 Medicare Part D claims for 457 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.