Michael Z. Chen, MD
NPI 1689362253ActiveIndividual· Internal Medicine, Infectious Disease· Sacramento, CA
Internal Medicine, Infectious Disease (MD) in Sacramento, California, licensed in CA, with an NPI issued in May 2023. Part D covered 316 prescriptions written in 2024, 83% of them generic. Abbvie Inc. reported $149.99 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1689362253 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 1, 2023 |
| Last updated in NPPES | Jun 26, 2026 |
| Certified by provider | Jun 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | A207225 | 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 Order and Referring Only - Internal Medicine (IL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 316 · 671 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $34,271 |
| Generic share | 83% of claims |
Industry payments (Open Payments)
- 2025$149.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $149.99 | 1 |
What the 2025 payments were for
- Food and Beverage$149.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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