Stephen A. Sems, M.D.
Orthopaedic Surgery Physician · Rochester, MN
Stephen A. Sems, M.D. is an orthopaedic surgery physician with a practice address in Rochester, Minnesota, and NPI 1861471260, issued on Jan 13, 2006. Check the license (Minnesota 46623, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Stephen A. Sems
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 46623 MN
Self-reported in NPPES; status is on the state search - Practice location
- 200 1St St SW, Rochester, MN 55905
- Phone
- (507) 284-2511
- Enumerated
- Jan 13, 2006
- Record last updated
- Aug 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040804001799); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 647 in Minnesota → Look up another NPI →
Also registered at 200 1St St SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen A. Sems in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 46623Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
110 Medicare Part D claims for 17 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of 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: $6,334.00
5 payments; by number, the most common kind was consulting fee; the largest payer was Zimmer Biomet Holdings, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Mayo ClinicRochester, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen A. Sems among 647 orthopaedic surgery physician records in Minnesota
Stephen A. Sems, M.D. is one of 647 orthopaedic surgery physician records with a practice address in Minnesota. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 51% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1999 · median 2008 among the 420 with a school on file
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
167 orthopaedic surgery physician records list a practice address in Rochester
They are 167 of the 12,854 NPPES records with a practice address in Rochester, and 647 orthopaedic surgery physician records in Minnesota.
All 647 in Minnesota → Every provider in Rochester → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Diane Dahm, M.D.Rochester, MN 559051447236484
- Paul Huddleston, M.D.Rochester, MN 559051548249493
- Annalise Larson, M.D..Rochester, MN 559051134105117
- David Lewallen, M.D.Rochester, MN 559051801874920
- Shawn O'Driscoll, M.D.Rochester, MN 559051952388324
- Peter Rose, MDRochester, MN 559051871570234
- Joaquin Sanchez-Sotelo, M.D.Rochester, MN 559051922085380
- William Shaughnessy, M.D.Rochester, MN 559051578541454
Common questions
What is Stephen A. Sems, M.D.'s NPI number?
Stephen A. Sems, M.D.'s National Provider Identifier (NPI) is 1861471260, issued on Jan 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen A. Sems, M.D. located?
The NPPES record lists a practice address at 200 1St St SW, Rochester, MN, 55905. Phone: (507) 284-2511. Providers update this record themselves, so call before visiting.
How can I verify Stephen A. Sems, M.D.'s license?
NPPES lists Minnesota license number 46623, 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 A. Sems, M.D. prescribe under Medicare Part D?
In 2024, Stephen A. Sems, M.D. had 110 Medicare Part D claims for 17 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.