Karng S. Log, DO
NPI 1932310034ActiveIndividual· Internal Medicine, Hematology & Oncology· Littleton, CO
Internal Medicine, Hematology & Oncology (DO) with Intermountain Medical Group Denver LLC, practicing in Littleton, Colorado. Their prescriptions cost Medicare Part D more than their services did: $5,763,983 for 1,401 claims, against $43,994 paid for services in 2024. Janssen Biotech, Inc. was the largest of 4 companies reporting payments in 2025, $378.15 in all, mostly food and beverage. Lists Intermountain Health Lutheran Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1932310034 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 24, 2007 |
| Last updated in NPPES | Oct 21, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 50124 | CO |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 5101016452 | MI |
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 (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 277 |
|---|---|
| Services billed | 601 across 13 procedure codes |
| Paid by Medicare | $43,994 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,401 · 2,126 30-day fills |
|---|---|
| Patients | 223 |
| Total drug cost | $5,763,983 |
| Generic share | 61% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Intermountain Medical Group Denver LLCBroomfield, CO · 568 clinicians
Hospital affiliations
- Intermountain Health Lutheran HospitalWheat Ridge, CO
- Saint Joseph HospitalDenver, CO
Industry payments (Open Payments)
- 2025$378.15 · 5 payments from 4 companies
- 2024$316.45 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $198.51 | 2 |
| Tempus Ai, Inc | $107.83 | 1 |
| Argenx US, Inc. | $55.50 | 1 |
| Iovance Biotherapeutics, Inc. | $16.31 | 1 |
What the 2025 payments were for
- Food and Beverage$222.66 · 3 payments
- Education$155.49 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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