Bertrand Y. Tuan, M.D.
NPI 1578632980ActiveIndividual· Specialist· San Francisco, CA
Specialist (M.D.) in San Francisco, California, trained at Albert Einstein College of Medicine of Yeshiva University (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $11,317,731 for 2,119 claims, against $2,883,989 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 43 companies reporting payments in 2025, $2,456 in all, mostly food and beverage.
Overview
| NPI | 1578632980 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 7, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | G78339 | 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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 552 |
|---|---|
| Services billed | 130,844 across 116 procedure codes |
| Paid by Medicare | $2,883,989 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,119 · 2,591 30-day fills |
|---|---|
| Patients | 240 |
| Total drug cost | $11,317,731 |
Education and affiliations
| Medical school | Albert Einstein College of Medicine of Yeshiva University |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
- Pacific Hematology Oncology Assoc.San Francisco, CA · 3 clinicians
Hospital affiliations
- California Pacific Medical Center - Mission BernalSan Francisco, CA
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA
- California Pacific Medical Ctr-Davies Campus HospSan Francisco, CA
- Novato Community HospitalNovato, CA
- Peninsula Medical CenterBurlingame, CA
Other facilities
- Sutter Care at HomeHospice · San Francisco, CA
Industry payments (Open Payments)
- 2025$2,456 · 80 payments from 43 companies
- 2024$2,051 · 79 payments from 40 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $260.34 | 7 |
| Celgene Corporation | $254.68 | 11 |
| Alexion Pharmaceuticals, Inc. | $152.14 | 2 |
| E.R. Squibb & Sons, L.L.C. | $135.08 | 2 |
| Pfizer Inc. | $123.05 | 4 |
What the 2025 payments were for
- Food and Beverage$2,456 · 80 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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