Kiem Dian Liem, M.D.
NPI 1407875982ActiveIndividual· Internal Medicine, Hematology & Oncology· Long Beach, CA
Internal Medicine, Hematology & Oncology (M.D.) with Kalispell Regional Medical Center Inc and 1 other group, practicing in Long Beach, California. Their prescriptions cost Medicare Part D more than their services did: $137,731 for 123 claims, against $22,980 paid for services in 2024. Lists Cabinet Peaks Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1407875982 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Apr 10, 2024 |
| Certified by provider | Apr 10, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A53159 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 141060 | MT |
| Internal Medicine, Hematology | 207RH0000X | 141060 | MT |
| Internal Medicine, Medical Oncology | 207RX0202X | 141060 | MT |
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 - Hematology/Oncology (CA); Practitioner - Hematology/Oncology (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 147 |
|---|---|
| Services billed | 409 across 18 procedure codes |
| Paid by Medicare | $22,980 |
Part D prescriptions in 2024
| Prescriptions (claims) | 123 · 192 30-day fills |
|---|---|
| Patients | 68 |
| Total drug cost | $137,731 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Kalispell Regional Medical Center IncKalispell, MT · 421 clinicians
- Northern Rockies Medical Center IncCut Bank, MT · 25 clinicians
Hospital affiliations
- Cabinet Peaks Medical CenterLibby, MT
- Clark Fork Valley HospitalPlains, MT
- Logan Health - WhitefishWhitefish, MT
- Logan Health Medical CenterKalispell, MT
- St Luke Community HospitalRonan, MT
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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