Hyunseok Kim, M.D, M.P.H
NPI 1558758524ActiveIndividual· Internal Medicine, Gastroenterology· West Hollywood, CA
Internal Medicine, Gastroenterology (M.D, M.P.H) with Cedars-Sinai Medical Center and 1 other group, practicing in West Hollywood, California. Their prescriptions cost Medicare Part D more than their services did: $363,094 for 358 claims, against $32,639 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 2 companies reporting payments in 2025, $170.52 in all, mostly food and beverage. Lists Cedars-Sinai Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1558758524 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D, M.P.H |
| Sole proprietor | No |
| NPI issued | Apr 17, 2015 |
| Last updated in NPPES | Apr 2, 2024 |
| Certified by provider | Apr 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A186926 | CA |
| Internal Medicine | 207R00000X | 291954 | MA |
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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 186 |
|---|---|
| Services billed | 331 across 20 procedure codes |
| Paid by Medicare | $32,639 |
Part D prescriptions in 2024
| Prescriptions (claims) | 358 · 519 30-day fills |
|---|---|
| Patients | 132 |
| Total drug cost | $363,094 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Cedars-Sinai Medical CenterWest Hollywood, CA · 799 clinicians
- Sycamore Hill Hospitalist Medical Group IncLos Angeles, CA · 16 clinicians
Hospital affiliations
- Cedars-Sinai Medical CenterLos Angeles, CA
- Hollywood Presbyterian Medical CenterLos Angeles, CA
Industry payments (Open Payments)
- 2025$170.52 · 3 payments from 2 companies
- 2024$325.41 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $131.89 | 1 |
| Gilead Sciences, Inc. | $38.63 | 2 |
What the 2025 payments were for
- Food and Beverage$170.52 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 gastroenterologists in West Hollywood · All gastroenterologists in California