Alister A. George, M.D.
NPI 1821280629ActiveIndividual· Specialist· Thousand Oaks, CA
Specialist (M.D.) in Thousand Oaks, California, trained at Howard University College of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $819,568 for 2,187 claims, against $334,101 paid for services in 2024. Janssen Biotech, Inc. was the largest of 18 companies reporting payments in 2025, $1,699 in all, mostly food and beverage.
Overview
| NPI | 1821280629 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 15, 2007 |
| Last updated in NPPES | Apr 20, 2020 |
| Certified by provider | Apr 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | G63795 | 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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,030 |
|---|---|
| Services billed | 3,924 across 56 procedure codes |
| Paid by Medicare | $334,101 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,187 · 4,451 30-day fills |
|---|---|
| Patients | 755 |
| Total drug cost | $819,568 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Howard University College of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Genesis Healthcare Partners PCSan Francisco, CA · 228 clinicians
Hospital affiliations
- Adventist Health Simi ValleySimi Valley, CA
- Los Robles Hospital & Medical CenterThousand Oaks, CA
Industry payments (Open Payments)
- 2025$1,699 · 63 payments from 18 companies
- 2024$1,069 · 45 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $338.97 | 10 |
| Abbvie Inc. | $251.20 | 11 |
| Regeneron Healthcare Solutions, Inc. | $201.05 | 6 |
| Qol Medical, LLC | $144.75 | 6 |
| Genzyme Corporation | $116.57 | 4 |
What the 2025 payments were for
- Food and Beverage$1,699 · 63 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Specialist providers in Thousand Oaks
- 1609897271
- 1629078845
- 1689668188
- 1740346931
- 1740372028
- 1881665586
- 1992735930
- 1871593095
- 1003135799
- 1013047455
- 1053311274
- 1093033987
All 54 Specialist providers in Thousand Oaks · All Specialist providers in California