Daniel Calvin Leung, M.D.
NPI 1205003159ActiveIndividual· Anesthesiology· San Francisco, CA
Anesthesiology (M.D.) in San Francisco, California, trained at George Washington University School of Medicine (class of 2003). Medicare paid $45,152 for services to 404 patients in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 9 companies reporting payments in 2025, $679.13 in all, mostly food and beverage.
Overview
| NPI | 1205003159 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 9, 2008 |
| Last updated in NPPES | May 28, 2025 |
| Certified by provider | May 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | A104697 | CA |
| Anesthesiology | 207L00000X | 036-116172 | IL |
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 - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 404 |
|---|---|
| Services billed | 405 across 10 procedure codes |
| Paid by Medicare | $45,152 |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Anesthesiology |
Medical group
- G2 Anesthesia PCSan Jose, CA · 107 clinicians
Industry payments (Open Payments)
- 2025$679.13 · 28 payments from 9 companies
- 2024$766.46 · 27 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $199.30 | 10 |
| Ardelyx, Inc. | $122.77 | 5 |
| Abbvie Inc. | $111.64 | 4 |
| Lilly USA, LLC | $103.57 | 3 |
| Janssen Biotech, Inc. | $47.44 | 2 |
What the 2025 payments were for
- Food and Beverage$679.13 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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