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

Bert C Callahan, MD

Individual provider Orthopaedic Surgery Physician · NPI 1760573927

Bert C Callahan, MD is an Orthopedic Surgery in Waupun, Wisconsin. Graduated from Saint Louis University School of Medicine in 1987, 39 years ago. Practices with Agnesian Healthcare Inc, a 390-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
39
Trained at
Saint Louis University School of Medicine
Licensed in
WI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

608 W Brown St
Waupun, WI 53963-1788
Phone: (920) 324-6802
Fax: (920) 324-8428
Show map & directions

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

Additional practice locations (1)

  • 835 Parkside St, Ripon, WI 54971-8505 — (920) 745-3500

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 29788 (WI)

Record details

NPI number1760573927
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 27, 2006
Last updated in NPPESJanuary 5, 2021
Certification dateJanuary 5, 2021
Mailing address420 E Division St, Fond Du Lac, WI 54935-4560

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Agnesian Healthcare Inc — 390 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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