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

Robert J Wiechmann, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1659333953

Robert J Wiechmann, MD is a Thoracic Surgery in Eau Claire, Wisconsin. Graduated from University of Minnesota Medical School in 1986, 40 years ago. Practices with Mayo Clinic Health System-Northwest Wisconsin Region Inc, a 799-clinician group and accepts Medicare assignment. Licensed in Arizona, Minnesota and Wisconsin.

Years since qualifying
40
Trained at
University of Minnesota Medical School
Licensed in
AZ, MN, WI
In the registry since
2006
Specialties on file
3
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

1400 Bellinger St
Eau Claire, WI 54703-5222
Phone: (507) 284-2511
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 40986 (WI)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 208G00000X (AZ)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 42114 (MN)

Record details

NPI number1659333953
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 4, 2006
Last updated in NPPESSeptember 14, 2020
Certification dateSeptember 14, 2020
Mailing addressPo Box 1510, Eau Claire, WI 54702-1510

Medicare enrollment

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

Medicare specialtyTHORACIC SURGERY
Also practisesCARDIAC SURGERY, CARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1986 (40 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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