Gregory D. Anderson, MD
NPI 1063590131ActiveIndividual· Internal Medicine, Critical Care Medicine· Walnut Creek, CA
Internal Medicine, Critical Care Medicine (MD) in Walnut Creek, California, licensed in CA, with an NPI issued in November 2006. Abbott Laboratories reported $20.47 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1063590131 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 2, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | G25242 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
- 2025$20.47 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $20.47 | 1 |
What the 2025 payments were for
- Food and Beverage$20.47 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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