Zhijin Chai, M.D.
NPI 1760725410ActiveIndividual· Internal Medicine, Critical Care Medicine· Marietta, GA
Internal Medicine, Critical Care Medicine (M.D.) in Marietta, Georgia, trained at Northwestern University Feinberg Medical School (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $167,228 for 346 claims, against $34,402 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $150.58 in all, mostly food and beverage.
Overview
| NPI | 1760725410 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 1, 2013 |
| Last updated in NPPES | Sep 26, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | 82896 | GA |
| Internal Medicine | 207R00000X | 82896 | GA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 82896 | 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 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 - Pulmonary Disease (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 159 |
|---|---|
| Services billed | 352 across 32 procedure codes |
| Paid by Medicare | $34,402 |
Part D prescriptions in 2024
| Prescriptions (claims) | 346 · 431 30-day fills |
|---|---|
| Patients | 66 |
| Total drug cost | $167,228 |
| Generic share | 35% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Pulmonary Disease |
Medical group
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
Hospital affiliations
- Wellstar Cobb Medical CenterAustell, GA
- Wellstar Kennestone Regional Medical CenterMarietta, GA
Industry payments (Open Payments)
- 2025$150.58 · 2 payments from 2 companies
- 2024$283.36 · 13 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $131.59 | 1 |
| Amgen Inc. | $18.99 | 1 |
What the 2025 payments were for
- Food and Beverage$150.58 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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