Andrew Wen-Han Chao, M.D.
NPI 1699062893ActiveIndividual· Internal Medicine, Infectious Disease· Augusta, GA
Internal Medicine, Infectious Disease (M.D.) with Wellstar Medical Group LLC and 2 other groups, practicing in Augusta, Georgia. Their prescriptions cost Medicare Part D more than their services did: $1,399,590 for 755 claims, against $16,535 paid for services in 2024. Viiv Healthcare Company was the largest of 8 companies reporting payments in 2025, $633.88 in all, mostly food and beverage. Lists Piedmont Augusta Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1699062893 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 8, 2011 |
| Last updated in NPPES | Nov 8, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 072258 | 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 - Infectious Disease (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 122 |
|---|---|
| Services billed | 229 across 11 procedure codes |
| Paid by Medicare | $16,535 |
Part D prescriptions in 2024
| Prescriptions (claims) | 755 · 827 30-day fills |
|---|---|
| Patients | 114 |
| Total drug cost | $1,399,590 |
| Generic share | 51% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Wellstar Medical Group LLCMarietta, GA · 3,093 clinicians
- Augusta UniversityAugusta, GA · 9 clinicians
- Laurens County Board of HealthDublin, GA · 4 clinicians
Hospital affiliations
- Piedmont Augusta HospitalAugusta, GA
- Wellstar McG Health, Affiliated With Med ColAugusta, GA
Industry payments (Open Payments)
- 2025$633.88 · 32 payments from 8 companies
- 2024$581.59 · 66 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $208.97 | 4 |
| Paratek Pharmaceuticals, Inc. | $134.69 | 15 |
| Melinta Therapeutics, LLC | $61.02 | 3 |
| Abbvie Inc. | $60.03 | 3 |
| Astellas Pharma US Inc | $57.34 | 2 |
What the 2025 payments were for
- Food and Beverage$617.10 · 31 payments
- Education$16.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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