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

Heidi L Twedt, MD

Individual provider Internal Medicine Physician · NPI 1861414435

Heidi L Twedt, MD is an Internal Medicine in Madison, Wisconsin. Graduated from University of Minnesota Medical School in 1996, 30 years ago. Practices with University of Wisconsin Medical Foundation Inc, a 2,536-clinician group and accepts Medicare assignment. Licensed in Minnesota, North Dakota and Wisconsin.

Years since qualifying
30
Trained at
University of Minnesota Medical School
Licensed in
MN, ND, 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

451 Junction Rd
Madison, WI 53717-2656
Phone: (608) 265-7550
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 74374 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 7783 (ND)
Internal Medicine Physician Taxonomy 207R00000X · Licence 41756 (MN)

Record details

NPI number1861414435
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2006
Last updated in NPPESMarch 18, 2021
Certification dateMarch 18, 2021
Mailing address7974 Uw Health Ct, Middleton, WI 53562-5531

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1996 (30 years in practice)
Group practice University Of Wisconsin Medical Foundation Inc — 2536 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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