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

Dr. Karl Alexander Damroth, MD

Individual provider Surgery Physician · NPI 1881125482

Dr. Karl Alexander Damroth, MD is a Thoracic Surgery in Green Bay, Wisconsin. Graduated from Michigan State University College of Human Medicine in 2017, 9 years ago. Practices with Bellin Memorial Hospital Inc, a 681-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Minnesota and Wisconsin.

Years since qualifying
9
Trained at
Michigan State University College of Human Medicine
Licensed in
MN, WI
In the registry since
2017
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

720 S Van Buren St Ste 303
Green Bay, WI 54301-3534
Phone: (920) 433-9621
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 200 1st St Sw, Rochester, MN 55905-1301 — (507) 284-2511
  • 1 Atwell Rd, Cooperstown, NY 13326-1301 — (607) 547-3456

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 86217-20 (WI)
Surgery Physician Taxonomy 208600000X · Licence 71809 (MN)

Record details

NPI number1881125482
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2017
Last updated in NPPESAugust 27, 2025
Certification dateAugust 27, 2025

Medicare enrollment

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

Medicare specialtyTHORACIC SURGERY
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 2017 (9 years in practice)
Group practice Bellin Memorial Hospital Inc — 681 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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