Mai Dao, MD
NPI 1912561465ActiveIndividual· Internal Medicine, Gastroenterology· Fremont, CA
Internal Medicine, Gastroenterology (MD) with Sutter Bay Medical Foundation, practicing in Fremont, California. Part D covered 39 prescriptions written in 2024, 79% of them generic. Genzyme Corporation reported $144.45 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1912561465 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 30, 2019 |
| Last updated in NPPES | Feb 17, 2026 |
| Certified by provider | Feb 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A179453 | 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 - Gastroenterology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 39 · 78 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $92,970 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Industry payments (Open Payments)
- 2025$144.45 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $144.45 | 1 |
What the 2025 payments were for
- Food and Beverage$144.45 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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