Ty B. Carroll, MD
NPI 1558312942ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Madison, WI
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Madison, Wisconsin, trained at Medical College of Wisconsin (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $1,371,549 for 3,859 claims, against $43,018 paid for services in 2024. Neurocrine Biosciences, Inc. reported $339.66 in payments in 2025, mostly travel and lodging.
Overview
| NPI | 1558312942 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 12, 2006 |
| Last updated in NPPES | Dec 2, 2025 |
| Certified by provider | Dec 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 46886 | WI |
| Internal Medicine | 207R00000X | 46886 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 340 |
|---|---|
| Services billed | 954 across 22 procedure codes |
| Paid by Medicare | $43,018 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,859 · 9,403 30-day fills |
|---|---|
| Patients | 609 |
| Total drug cost | $1,371,549 |
| Generic share | 46% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Geriatric Medicine, Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
- The Medical College of Wisconsin IncMilwaukee, WI · 2,115 clinicians
- Froedtert Andthe Medical College of Wisconsin Community Physicians IncWauwatosa, WI · 1,285 clinicians
Hospital affiliations
- Froedtert Memorial Lutheran HospitalMilwaukee, WI
- Unitypoint Health - MeriterMadison, WI
- University of Wi Hospitals & Clinics AuthorityMadison, WI
- Uw HealthRockford, IL
Industry payments (Open Payments)
- 2025$339.66 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $339.66 | 4 |
What the 2025 payments were for
- Travel and Lodging$192.66 · 1 payment
- Food and Beverage$147.00 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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