Gregory R. Trost, MD
Neurological Surgery Physician · Middleton, WI
Gregory R. Trost, MD is a neurological surgery physician with a practice address in Middleton, Wisconsin, and NPI 1922074947, issued on Feb 28, 2006. Check the license (Wisconsin 30533, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gregory R. Trost
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 30533 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9701 Trappers Trl, Middleton, WI 53562
- Phone
- (608) 203-6321
- Enumerated
- Feb 28, 2006
- Record last updated
- Mar 4, 2026
- Medicare enrollment
- Enrolled (PECOS I20080515000042); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 176 in Wisconsin → Look up another NPI →
Verify Gregory R. Trost in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 30533Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gregory R. Trost among 176 neurological surgery physician records in Wisconsin
Gregory R. Trost, MD is one of 176 neurological surgery physician records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1988 · median 2006 among the 112 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Wisconsin
There are 176 neurological surgery physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 176 in Wisconsin → Every provider in Middleton → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Allan Levin, M.D.Middleton, WI 535621831212778
- Merle Rust, MDJanesville, WI 535481033144977
- William Kemp, MDMadison, WI 537031306251947
- Christopher Baggott, M.D.Madison, WI 537151871818609
- Daniel Burkett, M.D.Madison, WI 537151972039550
- Richard Carter, MDMadison, WI 537151336180652
- Krisada Chanbusarakum, M.D.Madison, WI 537151548221849
- Mark Corriveau, M.D.Madison, WI 537151891182762
Common questions
What is Gregory R. Trost, MD's NPI number?
Gregory R. Trost, MD's National Provider Identifier (NPI) is 1922074947, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory R. Trost, MD located?
The NPPES record lists a practice address at 9701 Trappers Trl, Middleton, WI, 53562. Phone: (608) 203-6321. Providers update this record themselves, so call before visiting.
How can I verify Gregory R. Trost, MD's license?
NPPES lists Wisconsin license number 30533, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.