Gregory R Trost, MD - Medicare Neurosurgery in Middleton, WI

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Gregory R Trost, MD is a medicare enrolled "Neurological Surgery" physician in Middleton, Wisconsin. He went to University Of Wisconsin School Of Medicine and graduated in 1988 and has 38 years of diverse experience with area of expertise as Neurosurgery. He is a member of the group practice University Of Wisconsin Medical Foundation Inc and his current practice location is 9701 Trappers Trl, Middleton, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (608) 203-6321.

Gregory R Trost is licensed to practice in Wisconsin (license number 30533) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1922074947.

Contact Information

Gregory R Trost, MD
9701 Trappers Trl,
Middleton, WI 53562-5061
(608) 203-6321
Not Available

Map and Direction




Physician's Profile

Full NameGregory R Trost
GenderMale
SpecialityNeurosurgery
Experience38 Years
Location9701 Trappers Trl, Middleton, Wisconsin
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Gregory R Trost attended and graduated from University Of Wisconsin School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1922074947
  • Provider Enumeration Date: 02/28/2006
  • Last Update Date: 03/04/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 8729157896
  • Enrollment ID: I20080515000042

Medical Identifiers

Medical identifiers for Gregory R Trost such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1922074947NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery 30533 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of Wi Hospitals & Clinics AuthorityMadison, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Wisconsin Medical Foundation Inc66087854642380

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Gregory R Trost allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Wisconsin Medical Foundation Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598784555
PECOS PAC ID: 6608785464
Enrollment ID: O20031111000435

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Gregory R Trost is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gregory R Trost, MD
9701 Trappers Trl,
Middleton, WI 53562-5061

Ph: (608) 203-6321		Gregory R Trost, MD
9701 Trappers Trl,
Middleton, WI 53562-5061

Ph: (608) 203-6321

Reviews and Comments


Neurological Surgery Doctors in Middleton, WI

Dr. Allan Bertram Levin, M.D.
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 4585 Fox Bluff Ln, Middleton, WI 53562
Phone: 608-233-9153    Fax: 608-233-7731

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.