Esther Tan, MD
NPI 1982754487ActiveIndividual· Internal Medicine, Hematology & Oncology· Thomasville, GA
Internal Medicine, Hematology & Oncology (MD) with Archbold Medical Group, Inc., practicing in Thomasville, Georgia. Their prescriptions cost Medicare Part D more than their services did: $5,397,389 for 1,288 claims, against $57,757 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 17 companies reporting payments in 2025, $1,752 in all, mostly device and supply loans. Lists Archbold Brooks and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1982754487 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 10, 2007 |
| Last updated in NPPES | Sep 17, 2020 |
| Certified by provider | Sep 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 073159 | GA |
| Internal Medicine | 207R00000X | A95294 | CA |
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 - Medical Oncology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 211 |
|---|---|
| Services billed | 686 across 12 procedure codes |
| Paid by Medicare | $57,757 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,288 · 1,771 30-day fills |
|---|---|
| Patients | 191 |
| Total drug cost | $5,397,389 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology |
Medical group
- Archbold Medical Group, Inc.Thomasville, GA · 81 clinicians
Hospital affiliations
- Archbold BrooksQuitman, GA
- Archbold Memorial HospitalThomasville, GA
- Archbold MitchellCamilla, GA
- Grady General HospitalCairo, GA
Industry payments (Open Payments)
- 2025$1,752 · 45 payments from 17 companies
- 2024$1,478 · 36 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $1,067 | 16 |
| Intuitive Surgical, Inc. | $132.49 | 1 |
| E.R. Squibb & Sons, L.L.C. | $82.23 | 5 |
| Merck Sharp & Dohme LLC | $63.41 | 3 |
| Glaxosmithkline, LLC. | $57.09 | 3 |
What the 2025 payments were for
- Long term medical supply or device loan$999.96 · 12 payments
- Food and Beverage$751.76 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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