Sai-Sun Ho, M.D.
NPI 1710952957ActiveIndividual· Internal Medicine· San Francisco, CA
Internal Medicine (M.D.) in San Francisco, California, trained at University of Southern California Keck School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $3,132,342 for 12,724 claims, against $126,626 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 15 companies reporting payments in 2025, $2,641 in all, mostly food and beverage.
Overview
| NPI | 1710952957 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 21, 2006 |
| Last updated in NPPES | Jun 2, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G66825 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 247 |
|---|---|
| Services billed | 1,358 across 19 procedure codes |
| Paid by Medicare | $126,626 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,724 · 27,776 30-day fills |
|---|---|
| Patients | 654 |
| Total drug cost | $3,132,342 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Internal Medicine |
Hospital affiliations
- California Pacific Medical Center - Mission BernalSan Francisco, CA
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA
- Chinese HospitalSan Francisco, CA
- UCSF Medical CenterSan Francisco, CA
Other facilities
- Alphacare Home HealthHome health agency · San Bruno, CA
- Centerwell Asian American Home HealthHome health agency · Alameda, CA
- Sutter Care at HomeHome health agency · San Francisco, CA
- Vital Home Health CareHome health agency · Hayward, CA
- San Francisco Post AcuteNursing home · San Francisco, CA
Industry payments (Open Payments)
- 2025$2,641 · 71 payments from 15 companies
- 2024$3,797 · 103 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $555.65 | 17 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $488.38 | 11 |
| Novo Nordisk Inc | $334.44 | 9 |
| Glaxosmithkline, LLC. | $313.45 | 10 |
| Bayer Healthcare Pharmaceuticals Inc. | $234.44 | 8 |
What the 2025 payments were for
- Food and Beverage$2,641 · 71 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,457 internal medicine physicians in San Francisco · All internal medicine physicians in California