Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Steven Duane Semmler, MD

Individual provider Family Medicine Physician · NPI 1255479879

Steven Duane Semmler, MD is a Family Practice in Forest Lake, Minnesota. Graduated from Saint Louis University School of Medicine in 2005, 21 years ago. Practices with Allina Health System, a 3,867-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
21
Trained at
Saint Louis University School of Medicine
Licensed in
MN
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1540 Lake St S
Forest Lake, MN 55025-2628
Phone: (651) 464-7100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 51793 (MN)

Record details

NPI number1255479879
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 3, 2007
Last updated in NPPESMarch 11, 2021
Certification dateMarch 11, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Allina Health System — 3867 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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