Michael S. Chung, M.D.
NPI 1053574608ActiveIndividual· Internal Medicine, Hematology & Oncology· Torrance, CA
Internal Medicine, Hematology & Oncology (M.D.) in Torrance, California, trained at Albert Einstein College of Medicine of Yeshiva University (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $3,546,637 for 1,453 claims, against $75,588 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 57 companies reporting payments in 2025, $8,067 in all, mostly food and beverage.
Overview
| NPI | 1053574608 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 3, 2008 |
| Last updated in NPPES | Mar 1, 2024 |
| Certified by provider | Mar 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A112317 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 175 |
|---|---|
| Services billed | 2,768 across 52 procedure codes |
| Paid by Medicare | $75,588 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,453 · 2,002 30-day fills |
|---|---|
| Patients | 261 |
| Total drug cost | $3,546,637 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Cancer and Blood Specialty ClinicLos Alamitos, CA · 18 clinicians
Hospital affiliations
- Providence Little Company of Mary Med Ctr TorranceTorrance, CA
- Torrance Memorial Medical CenterTorrance, CA
Industry payments (Open Payments)
- 2025$8,067 · 389 payments from 57 companies
- 2024$7,117 · 327 payments from 52 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $603.72 | 35 |
| Pfizer Inc. | $520.38 | 23 |
| Novartis Pharmaceuticals Corporation | $514.50 | 26 |
| Janssen Biotech, Inc. | $467.15 | 20 |
| Celgene Corporation | $450.77 | 38 |
What the 2025 payments were for
- Food and Beverage$7,915 · 386 payments
- Education$151.40 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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