NPPES file of Aug 9, 2026

Stephen Joseph Clappier, M.D.

Family Medicine Physician · Duluth, MN

Stephen Joseph Clappier, M.D. is a family medicine physician with a practice address in Duluth, Minnesota, and NPI 1871850479, issued on Apr 19, 2012. Check the license (Minnesota 56508, 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
1871850479
Name
Stephen Joseph Clappier
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
56508 MN
Self-reported in NPPES; status is on the state search
Practice location
26 E Superior St, Duluth, MN 55802
Phone
(218) 249-4300
Enumerated
Apr 19, 2012
Record last updated
Dec 4, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(218) 249-4350
Medicare enrollment
Enrolled (PECOS I20130819000746); accepts Medicare assignment
Medical or professional school
University Of Minnesota Medical School, 2012
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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8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →

Also registered at 26 E Superior St

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

  1. Jenna Clappier, M.D.Family Medicine Physician1962769562
  2. Craig Gilbertson, M.D.Family Medicine Physician1669451449
  3. Timothy Lamaster, M. D.Family Medicine Physician1437138229
  4. Robert McDonald, M. D.Family Medicine Physician1093794760
  5. Rachel Nelson, M.D.Family Medicine Physician1275542037
  6. Melissa Nervick-Thornton, MSED, LPCCProfessional Counselor1437431871

Verify Stephen Joseph Clappier 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 56508    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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7% fewer Medicare Part D claims than the average family medicine physician in 2024

3,294 Medicare Part D claims for 280 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 66 claims were for opioids.

  1. Stephen Clappier3,294
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium303 claims
  2. Amlodipine Besylate226 claims
  3. Losartan Potassium173 claims
  4. Lisinopril118 claims
  5. Rosuvastatin Calcium103 claims
  6. Omeprazole100 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 2 group practices

  1. Polinsky Medical Rehabilitation CenterDuluth, MN
  2. 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).

Stephen Joseph Clappier among 3,985 family medicine physician records in Minnesota

Stephen Joseph Clappier, M.D. is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 72% of them.

  • NPI issued2012 · 72% of these records are older, 26% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2012 · median 2006 among the 2,483 with a school on file
  • Record last updated2020 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

153 family medicine physician records list a practice address in Duluth

They are 153 of the 4,084 NPPES records with a practice address in Duluth, and 3,985 family medicine physician records in Minnesota.

All 3,985 in Minnesota → Every provider in Duluth → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Brian Capps, MDDuluth, MN 558021629028857
  2. Jenna Clappier, M.D.Duluth, MN 558021962769562
  3. Chelsea CrouchDuluth, MN 558021982224432
  4. Joel Edwall, MDDuluth, MN 558021942829387
  5. Craig Gilbertson, M.D.Duluth, MN 558021669451449
  6. Gary Kohls, M.D.Duluth, MN 558021164563847
  7. Timothy Lamaster, M. D.Duluth, MN 558021437138229
  8. Robert McDonald, M. D.Duluth, MN 558021093794760

Common questions

What is Stephen Joseph Clappier, M.D.'s NPI number?

Stephen Joseph Clappier, M.D.'s National Provider Identifier (NPI) is 1871850479, issued on Apr 19, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Joseph Clappier, M.D. located?

The NPPES record lists a practice address at 26 E Superior St, Duluth, MN, 55802. Phone: (218) 249-4300. Providers update this record themselves, so call before visiting.

How can I verify Stephen Joseph Clappier, M.D.'s license?

NPPES lists Minnesota license number 56508, 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 Stephen Joseph Clappier, M.D. prescribe under Medicare Part D?

In 2024, Stephen Joseph Clappier, M.D. had 3,294 Medicare Part D claims for 280 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.