Zhiwei Zhang, DO
NPI 1821551169ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Beloit, WI
Internal Medicine, Endocrinology, Diabetes & Metabolism (DO) in Beloit, Wisconsin, trained at Alabama College of Osteopathic Medicine (class of 2019). Part D covered 750 prescriptions written in 2024, 46% of them generic. Lilly USA, LLC was the largest of 11 companies reporting payments in 2025, $821.71 in all, mostly food and beverage.
Overview
| NPI | 1821551169 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 12, 2019 |
| Last updated in NPPES | Sep 8, 2026 |
| Certified by provider | Sep 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 104040-875 | 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 (SC) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 750 · 1,763 30-day fills |
|---|---|
| Patients | 130 |
| Total drug cost | $334,783 |
| Generic share | 46% of claims |
Education and affiliations
| Medical school | Alabama College of Osteopathic Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Endocrinology |
Medical group
- Georgetown Physician Associates, LLCMyrtle Beach, SC · 214 clinicians
Hospital affiliations
- Tidelands Georgetown Memorial HospitalGeorgetown, SC
- Tidelands Waccamaw Community HospitalMurrells Inlet, SC
Industry payments (Open Payments)
- 2025$821.71 · 27 payments from 11 companies
- 2024$2,065 · 51 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $283.16 | 8 |
| Medtronic, Inc. | $218.12 | 3 |
| Novo Nordisk Inc | $68.62 | 3 |
| Amgen Inc. | $66.08 | 4 |
| Sanofi-Aventis U.S. LLC | $57.84 | 2 |
What the 2025 payments were for
- Food and Beverage$821.71 · 27 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other endocrinologists in Beloit
- 1528113214