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

Gregory R Trost, MD

Individual provider Neurological Surgery Physician · NPI 1922074947

Gregory R Trost, MD is a Neurosurgery in Middleton, Wisconsin. Graduated from University of Wisconsin School of Medicine in 1988, 38 years ago. Accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
38
Trained at
University of Wisconsin 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.

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Practice location Address checks out

9701 Trappers Trl
Middleton, WI 53562-5061
Phone: (608) 203-6321
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence 30533 (WI)

Record details

NPI number1922074947
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 28, 2006
Last updated in NPPESMarch 4, 2026
Certification dateMarch 4, 2026
Mailing address9701 Trappers Trl, Middleton, WI 53562-5061

Medicare enrollment

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

Medicare specialtyNEUROSURGERY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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