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

Derek T Tessman, DO

Individual provider Trauma Surgery Physician · NPI 1275023988

Derek T Tessman, DO is a General Surgery in Madison, Wisconsin. Graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 2018, 8 years ago. Practices with Dean Health Systems Inc, a 1,184-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
8
Trained at
Des Moines University of Osteopathic Medicine and Health Sciences
Licensed in
WI
In the registry since
2018
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

700 S Park St
Madison, WI 53715-1830
Phone: (608) 251-6100
Fax: (608) 260-2976
Show map & directions

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

Specialties & licences

Trauma Surgery Physician (primary) Taxonomy 2086S0127X · Licence 81525-21 (WI)

Record details

NPI number1275023988
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 17, 2018
Last updated in NPPESAugust 29, 2024
Certification dateAugust 29, 2024
Mailing address700 S Park St, Madison, WI 53715-1830

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolDES MOINES UNIVERSITY OF OSTEOPATHIC MEDICINE AND HEALTH SCIENCES
Graduated 2018 (8 years in practice)
Group practice Dean Health Systems Inc — 1184 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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