Warren Gee, MD
NPI 1528143575ActiveIndividual· Anesthesiology· Castro Valley, CA
Anesthesiology (MD) in Castro Valley, California, licensed in CA, with an NPI issued in October 2006. Medicare paid $33,815 for services to 194 patients in 2024. Apellis Pharmaceuticals, Inc. was the largest of 3 companies reporting payments in 2025, $109.44 in all, mostly food and beverage.
Overview
| NPI | 1528143575 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 26, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | A97099 | 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 - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 194 |
|---|---|
| Services billed | 207 across 55 procedure codes |
| Paid by Medicare | $33,815 |
Industry payments (Open Payments)
- 2025$109.44 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Apellis Pharmaceuticals, Inc. | $56.57 | 2 |
| Harrow Eye, LLC | $33.84 | 1 |
| Genentech USA, Inc. | $19.03 | 1 |
What the 2025 payments were for
- Food and Beverage$109.44 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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