Jonathan H. Chen, MD, PHD
NPI 1619268372ActiveIndividual· Internal Medicine· Stanford, CA
Internal Medicine (MD, PHD) with Stanford Health Care, practicing in Stanford, California. In 2024 Medicare paid $16,018 for 52 patients, and Part D covered 54 of their prescriptions, 74% of them generic. Curonix LLC reported $141.76 in payments in 2025, mostly food and beverage. Lists Stanford Health Care as a hospital affiliation.
Overview
| NPI | 1619268372 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Apr 28, 2011 |
| Last updated in NPPES | Sep 19, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A122045 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 52 |
|---|---|
| Services billed | 169 across 5 procedure codes |
| Paid by Medicare | $16,018 |
Part D prescriptions in 2024
| Prescriptions (claims) | 54 · 75 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $16,582 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$141.76 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Curonix LLC | $141.76 | 1 |
What the 2025 payments were for
- Food and Beverage$141.76 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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