Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Michael Paul Stellmaker, MD

Individual provider Surgery Physician · NPI 1417227661

Michael Paul Stellmaker, MD practises General Surgery in Duluth, Minnesota. Graduated from University of Minnesota Medical School in 2010, 16 years ago. Practices with St Luke's Hospital of Duluth, a 413-clinician group and accepts Medicare assignment. Licensed in Minnesota and Pennsylvania.

Years since qualifying
16
Trained at
University of Minnesota Medical School
Licensed in
MN, PA
In the registry since
2012
Specialties on file
2
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

920 E 1st St Ste 302
Duluth, MN 55805-2201
Phone: (218) 249-6050
Fax: (218) 249-6055
Show map & directions

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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 59582 (MN)
Surgery Physician Taxonomy 208600000X · Licence MT-198016-T (PA)

Record details

NPI number1417227661
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 5, 2012
Last updated in NPPESJanuary 31, 2017

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 2010 (16 years in practice)
Group practice St. Luke'S Hospital Of Duluth — 413 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Colonoscopy 1–10 times
Hernia repair (minimally invasive) 1–10 times
Hernia repair - groin (open) 1–10 times
Mastectomy 1–10 times
Removal or shaving of skin growth 1–10 times
Upper gastrointestinal (GI) endoscopy for acid reflux 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients112
Services billed 199 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • St Lukes Hospital Hospital · Duluth, MN · listed as St Luke's Hospital
  • Aspirus Lake View Hospital Hospital · Two Harbors, MN

Colleagues at St Luke's Hospital of Duluth

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 413 clinicians in the practice; 12 are shown here.

Other providers in Duluth