Michael Del Rosario, M.D.
NPI 1891164307ActiveIndividual· Internal Medicine, Hematology & Oncology· Lakewood, CA
Internal Medicine, Hematology & Oncology (M.D.) with The Oncology Institute Ca, A Professional Corporation, practicing in Lakewood, California. Their prescriptions cost Medicare Part D more than their services did: $1,834,110 for 385 claims, against $374,300 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 47 companies reporting payments in 2025, $3,960 in all, mostly food and beverage. Lists Martin Luther King, Jr. Community Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1891164307 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 15, 2015 |
| Last updated in NPPES | Jun 5, 2024 |
| Certified by provider | Jun 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A151675 | CA |
| Internal Medicine | 207R00000X | A151675 | 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 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 152 |
|---|---|
| Services billed | 18,363 across 74 procedure codes |
| Paid by Medicare | $374,300 |
Part D prescriptions in 2024
| Prescriptions (claims) | 385 · 572 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $1,834,110 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Oncology Institute Ca, A Professional CorporationSan Gabriel, CA · 113 clinicians
Hospital affiliations
- Martin Luther King, Jr. Community HospitalLos Angeles, CA
- Memorialcare Long Beach Medical CenterLong Beach, CA
- Saint Francis Medical CenterLynwood, CA
- St Mary Medical CenterLong Beach, CA
- Uci Health-OrangeOrange, CA
Other facilities
- Unlimited Hospice Services, IncHospice · Panorama City, CA
Industry payments (Open Payments)
- 2025$3,960 · 171 payments from 47 companies
- 2024$2,362 · 96 payments from 36 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $305.85 | 14 |
| Pfizer Inc. | $250.43 | 13 |
| Astrazeneca Pharmaceuticals LP | $230.27 | 11 |
| Eisai Inc. | $205.22 | 9 |
| Abbvie Inc. | $156.91 | 10 |
What the 2025 payments were for
- Food and Beverage$3,960 · 171 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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