Esther Kim Bahk, M.D.
NPI 1316104532ActiveIndividual· Internal Medicine· Springfield, VA
Internal Medicine (M.D.) in Springfield, Virginia, trained at Columbia University College of Physicians and Surgeons (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $177,142 for 4,466 claims, against $3,257 paid for services in 2024.
Overview
| NPI | 1316104532 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 16, 2008 |
| Last updated in NPPES | Jun 19, 2021 |
| Certified by provider | Jun 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 0101244337 | VA |
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 - Internal Medicine (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 51 across 15 procedure codes |
| Paid by Medicare | $3,257 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,466 · 11,265 30-day fills |
|---|---|
| Patients | 408 |
| Total drug cost | $177,142 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
Medical group
- Kaiser Foundation Health Plan of the Mid Atlantic States, IncLargo, MD · 1,899 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 internal medicine physicians in Springfield · All internal medicine physicians in Virginia