William Garin Wood, M.D., M.S.
NPI 1821309022ActiveIndividual· Surgery· Castro Valley, CA
Surgery (M.D., M.S.) in Castro Valley, California, trained at University of California, San Francisco School of Medicine (class of 2010). Mostly services rather than prescriptions: Medicare paid $55,949 for 223 patients in 2024, with only 25 Part D claims. Intuitive Surgical, Inc. reported $9,918 in payments in 2025, mostly education.
Overview
| NPI | 1821309022 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.S. |
| Sole proprietor | No |
| NPI issued | Jun 23, 2010 |
| Last updated in NPPES | Feb 12, 2026 |
| Certified by provider | Feb 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A119594 | 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 409 across 50 procedure codes |
| Paid by Medicare | $55,949 |
Part D prescriptions in 2024
| Prescriptions (claims) | 25 · 31 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $585.23 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | General Surgery |
Hospital affiliations
- Eden Medical CenterCastro Valley, CA
- St Rose HospitalHayward, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$9,918 · 17 payments from 1 company
- 2024$315.03 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $9,918 | 17 |
What the 2025 payments were for
- Education$8,500 · 5 payments
- Travel and Lodging$1,221 · 5 payments
- Food and Beverage$196.16 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 general surgeons in Castro Valley · All general surgeons in California