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

Dr. Stephen Mathias Endres, MD

Individual provider Pain Medicine (Anesthesiology) Physician · NPI 1851360986

Dr. Stephen Mathias Endres, MD is an Interventional Pain Management in Eau Claire, Wisconsin. Graduated from University of Minnesota Medical School in 1982, 44 years ago. Practices with Mayo Clinic Health System-Northwest Wisconsin Region Inc, a 799-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
44
Trained at
University of Minnesota Medical School
Licensed in
WI
In the registry since
2006
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

1221 Whipple St
Eau Claire, WI 54703-5270
Phone: (715) 552-5346
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1400 Bellinger St, Eau Claire, WI 54703-5222 — (715) 838-5222

Specialties & licences

Interventional Pain Medicine Physician (primary) Taxonomy 208VP0014X · Licence 26650 (WI)
Pain Medicine (Anesthesiology) Physician Taxonomy 207LP2900X · Licence 26650 (WI)

Record details

NPI number1851360986
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESNovember 25, 2025
Certification dateNovember 25, 2025

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL PAIN MANAGEMENT
Also practisesANESTHESIOLOGY
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1982 (44 years in practice)
Group practice Mayo Clinic Health System-Northwest Wisconsin Region Inc — 799 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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