David Z. Chee, MD
NPI 1306846373ActiveIndividual· Internal Medicine· Pleasanton, CA
Internal Medicine (MD) in Pleasanton, California, licensed in CA, with an NPI issued in July 2005. Part D covered 512 prescriptions written in 2024, 91% of them generic. Insmed, Inc. was the largest of 2 companies reporting payments in 2025, $71.90 in all, mostly food and beverage.
Overview
| NPI | 1306846373 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 29, 2005 |
| Last updated in NPPES | Nov 19, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A54013 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 512 · 1,411 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $37,546 |
| Generic share | 91% of claims |
Industry payments (Open Payments)
- 2025$71.90 · 3 payments from 2 companies
- 2024$147.83 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insmed, Inc. | $50.46 | 2 |
| Gilead Sciences, Inc. | $21.44 | 1 |
What the 2025 payments were for
- Food and Beverage$71.90 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 71 internal medicine physicians in Pleasanton · All internal medicine physicians in California