Ivan W. Cheng, MD
NPI 1639253438ActiveIndividual· Internal Medicine, Critical Care Medicine· San Francisco, CA
Internal Medicine, Critical Care Medicine (MD) in San Francisco, California, trained at Columbia University College of Physicians and Surgeons (class of 1995). Enrolled in Medicare as practitioner - critical care (intensivists). Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $120,070 in all, mostly speaking and faculty fees.
Overview
| NPI | 1639253438 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 25, 2006 |
| Last updated in NPPES | Dec 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | A63339 | CA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | A63339 | 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 - Critical Care (Intensivists) (CA) |
|---|
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Pulmonary Disease |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - San FranciscoSan Francisco, CA
Industry payments (Open Payments)
- 2025$120,070 · 43 payments from 2 companies
- 2024$18,190 · 17 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $119,910 | 42 |
| Abbott Laboratories | $159.76 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$79,200 · 10 payments
- Consulting Fee$39,420 · 16 payments
- Travel and Lodging$1,181 · 11 payments
- Food and Beverage$268.31 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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