Michael C. Lam, M.D.
NPI 1033122601ActiveIndividual· Internal Medicine· Corona, CA
Internal Medicine (M.D.) with County of Riverside and 1 other group, practicing in Corona, California. Part D covered 5,073 prescriptions written in 2024, 77% of them generic. Bioventus LLC was the largest of 2 companies reporting payments in 2024, $38.87 in all, mostly food and beverage. Lists Riverside University Health System-Medical Center as a hospital affiliation.
Overview
| NPI | 1033122601 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 14, 2006 |
| Last updated in NPPES | May 12, 2026 |
| Certified by provider | May 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A62691 | CA |
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 - Internal Medicine (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 5,073 · 10,233 30-day fills |
|---|---|
| Patients | 333 |
| Total drug cost | $724,323 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- County of RiversideIndio, CA · 193 clinicians
- Pcg Medical Institute CorpGarden Grove, CA · 4 clinicians
Hospital affiliation
- Riverside University Health System-Medical CenterMoreno Valley, CA
Industry payments (Open Payments)
- 2024$38.87 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Bioventus LLC | $22.35 | 1 |
| Hologic Sales and Service, LLC | $16.52 | 1 |
What the 2024 payments were for
- Food and Beverage$38.87 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 internal medicine physicians in Corona · All internal medicine physicians in California