Esther Ahn
NPI 1023375847ActiveIndividual· Internal Medicine· Culver City, CA
Internal Medicine with Cedars-Sinai Medical Care Foundation, practicing in Culver City, California. Their prescriptions cost Medicare Part D more than their services did: $126,344 for 1,811 claims, against $20,135 paid for services in 2024. Lists Cedar-Sinai Marina del Rey Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1023375847 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 18, 2012 |
| Last updated in NPPES | Nov 28, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 128139 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 110 |
|---|---|
| Services billed | 519 across 27 procedure codes |
| Paid by Medicare | $20,135 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,811 · 4,493 30-day fills |
|---|---|
| Patients | 220 |
| Total drug cost | $126,344 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA · 1,692 clinicians
Hospital affiliations
- Cedar-Sinai Marina del Rey HospitalMarina Del Rey, CA
- Cedars-Sinai Medical CenterLos Angeles, CA
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 30 internal medicine physicians in Culver City · All internal medicine physicians in California