Siqi Ma, DO
NPI 1659991933ActiveIndividual· Family Medicine· Clearlake, CA
Family Medicine (DO) with Hill Health Inc A Medical Corporation, practicing in Clearlake, California. Part D covered 3,495 prescriptions written in 2024, 82% of them generic. Glaxosmithkline, LLC. was the largest of 2 companies reporting payments in 2025, $64.54 in all, mostly food and beverage. Lists Adventist Health Clearlake and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1659991933 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 16, 2020 |
| Last updated in NPPES | Oct 20, 2023 |
| Certified by provider | Oct 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A21190 | CA |
| Family Medicine | 207Q00000X | 7451 | OK |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 3,495 · 5,024 30-day fills |
|---|---|
| Patients | 271 |
| Total drug cost | $425,353 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Hill Health Inc A Medical CorporationOakland, CA · 10 clinicians
Hospital affiliations
- Adventist Health ClearlakeClearlake, CA
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Eden Medical CenterCastro Valley, CA
Other facilities
- Amedisys Home Health CareHome health agency · Hayward, CA
- Healthflex Home Health ServicesHome health agency · Oakland, CA
- Sutter Care at HomeHome health agency · Concord, CA
Industry payments (Open Payments)
- 2025$64.54 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $43.16 | 2 |
| Novo Nordisk Inc | $21.38 | 1 |
What the 2025 payments were for
- Food and Beverage$64.54 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 family medicine physicians in Clearlake · All family medicine physicians in California