Serena Liu, MD
NPI 1811457302ActiveIndividual· Family Medicine· Palo Alto, CA
Family Medicine (MD) with Sutter Bay Medical Foundation, practicing in Palo Alto, California. 156 Medicare patients in 2024, $50,487 paid; nearly all of their 1,071 Part D prescriptions were generic (93%). Vb Spine LLC was the largest of 4 companies reporting payments in 2025, $324.04 in all, mostly food and beverage. Lists Stanford Health Care as a hospital affiliation.
Overview
| NPI | 1811457302 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 21, 2019 |
| Last updated in NPPES | Aug 19, 2022 |
| Certified by provider | Aug 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A178774 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 156 |
|---|---|
| Services billed | 549 across 31 procedure codes |
| Paid by Medicare | $50,487 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,071 · 2,646 30-day fills |
|---|---|
| Patients | 159 |
| Total drug cost | $64,008 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Other facilities
- Sutter Care at HomeHome health agency · Saratoga, CA
Industry payments (Open Payments)
- 2025$324.04 · 10 payments from 4 companies
- 2024$174.86 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vb Spine LLC | $112.20 | 1 |
| Tolmar, Inc. | $90.00 | 4 |
| Glaxosmithkline, LLC. | $65.96 | 3 |
| Phathom Pharmaceuticals, Inc. | $55.88 | 2 |
What the 2025 payments were for
- Food and Beverage$324.04 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 91 family medicine physicians in Palo Alto · All family medicine physicians in California