Richard Thomas Weirich, MD
NPI 1528113214ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Beloit, WI
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Beloit, Wisconsin, trained at University of Minnesota Medical School (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $1,877,516 for 5,752 claims, against $31,431 paid for services in 2024. Novo Nordisk Inc was the largest of 8 companies reporting payments in 2025, $520.80 in all, mostly food and beverage.
Overview
| NPI | 1528113214 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 24, 2007 |
| Last updated in NPPES | Oct 20, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 37780-020 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 273 |
|---|---|
| Services billed | 545 across 15 procedure codes |
| Paid by Medicare | $31,431 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,752 · 12,812 30-day fills |
|---|---|
| Patients | 668 |
| Total drug cost | $1,877,516 |
| Generic share | 45% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Endocrinology |
Medical group
- Beloit Health System IncBeloit, WI · 135 clinicians
Hospital affiliations
- Beloit Health SystemBeloit, WI
- Mercy Health System CorpJanesville, WI
Industry payments (Open Payments)
- 2025$520.80 · 17 payments from 8 companies
- 2024$146.50 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $264.68 | 5 |
| Corcept Therapeutics | $67.18 | 3 |
| Abbott Laboratories | $50.49 | 3 |
| Medtronic, Inc. | $39.30 | 2 |
| Tandem Diabetes Care, Inc. | $27.15 | 1 |
What the 2025 payments were for
- Food and Beverage$520.80 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other endocrinologists in Beloit
- 1821551169