Steven Duane Semmler, M.D.
Family Medicine Physician · Forest Lake, MN
Steven Duane Semmler, M.D. is a family medicine physician with a practice address in Forest Lake, Minnesota, and NPI 1255479879, issued on Feb 3, 2007. Check the license (Minnesota 51793, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Steven Duane Semmler
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 51793 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1540 Lake St S, Forest Lake, MN 55025
- Phone
- (651) 464-7100
- Enumerated
- Feb 3, 2007
- Record last updated
- Mar 11, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090824000399); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →
Also registered at 1540 Lake St S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Arcand, PA-CPhysician Assistant1265840698
- Linda Asadourian, MDFamily Medicine Physician1255383360
- Virginia Bennett, MS, RD, LDRegistered Dietitian1033172036
- Abigail Brekken, RD, LDRegistered Dietitian1720703275
- Chelsea Domeier, PA-CPhysician Assistant1386195659
- Harvey Frank, MDFamily Medicine Physician1457312142
Verify Steven Duane Semmler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 51793Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average family medicine physician in 2024
9,212 Medicare Part D claims for 629 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 204 claims were for opioids.
Most prescribed
- Atorvastatin Calcium860 claims
- Lisinopril570 claims
- Amlodipine Besylate531 claims
- Losartan Potassium410 claims
- Metoprolol Succinate388 claims
- Tamsulosin Hcl239 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
- Allina Health SystemAnnandale, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Duane Semmler among 3,985 family medicine physician records in Minnesota
Steven Duane Semmler, 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 2007, is newer than 58% of them.
- NPI issued2007 · 58% of these records are older, 37% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · median 2006 among the 2,483 with a school on file
- Record last updated2021 · 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).
17 family medicine physician records list a practice address in Forest Lake
They are 17 of the 272 NPPES records with a practice address in Forest Lake, and 3,985 family medicine physician records in Minnesota.
All 3,985 in Minnesota → Every provider in Forest Lake → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Linda Asadourian, MDForest Lake, MN 550251255383360
- Harvey Frank, MDForest Lake, MN 550251457312142
- Donald Kjome, M.D.Forest Lake, MN 550251588749642
- Jason Logan, MDForest Lake, MN 550251619985447
- Elizabeth Maloney, MDForest Lake, MN 550251740243872
- Gary Mayer, MDForest Lake, MN 550251235198276
- Paul Nerothin, MDForest Lake, MN 550251861454084
- Oluwakemi Olowoyo, M.DForest Lake, MN 550251023252731
Common questions
What is Steven Duane Semmler, M.D.'s NPI number?
Steven Duane Semmler, M.D.'s National Provider Identifier (NPI) is 1255479879, issued on Feb 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Steven Duane Semmler, M.D. located?
The NPPES record lists a practice address at 1540 Lake St S, Forest Lake, MN, 55025. Phone: (651) 464-7100. Providers update this record themselves, so call before visiting.
How can I verify Steven Duane Semmler, M.D.'s license?
NPPES lists Minnesota license number 51793, 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 Steven Duane Semmler, M.D. prescribe under Medicare Part D?
In 2024, Steven Duane Semmler, M.D. had 9,212 Medicare Part D claims for 629 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.