Joanne Zhiwen Zhu, M.D.
NPI 1023036944ActiveIndividual· Hospitalist· Marietta, GA
Hospitalist (M.D.) in Marietta, Georgia, trained at University of Texas Southwestern Medical School at Dallas (class of 2002). In 2024 Medicare paid $46,165 for 187 patients, and Part D covered 158 of their prescriptions, 83% of them generic. Mallinckrodt Hospital Products Inc. was the largest of 6 companies reporting payments in 2025, $154.20 in all, mostly food and beverage.
Overview
| NPI | 1023036944 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Oct 16, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 056253 | GA |
| Internal Medicine | 207R00000X | 056253 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hospitalist (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 187 |
|---|---|
| Services billed | 532 across 11 procedure codes |
| Paid by Medicare | $46,165 |
Part D prescriptions in 2024
| Prescriptions (claims) | 158 · 191 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $8,908 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
Hospital affiliation
- Wellstar Kennestone Regional Medical CenterMarietta, GA
Industry payments (Open Payments)
- 2025$154.20 · 6 payments from 6 companies
- 2024$185.61 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $33.38 | 1 |
| Stryker Corporation | $30.19 | 1 |
| Abbvie Inc. | $27.88 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $23.46 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $20.65 | 1 |
What the 2025 payments were for
- Food and Beverage$154.20 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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