Thomas Cook, M.D.
NPI 1427054477ActiveIndividual· Dermatology· Visalia, CA
Dermatology (M.D.) in Visalia, California, trained at Saint Louis University School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $824,941 for 926 claims, against $385,055 paid for services in 2024. Amgen Inc. was the largest of 9 companies reporting payments in 2025, $621.63 in all, mostly food and beverage.
Overview
| NPI | 1427054477 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 23, 2005 |
| Last updated in NPPES | Oct 26, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A68280 | 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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 999 |
|---|---|
| Services billed | 4,881 across 59 procedure codes |
| Paid by Medicare | $385,055 |
Part D prescriptions in 2024
| Prescriptions (claims) | 926 · 1,108 30-day fills |
|---|---|
| Patients | 394 |
| Total drug cost | $824,941 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Dermatology |
Hospital affiliation
- Kaweah Health Medical CenterVisalia, CA
Industry payments (Open Payments)
- 2025$621.63 · 30 payments from 9 companies
- 2024$1,244 · 60 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $148.57 | 8 |
| Ucb, Inc. | $138.91 | 7 |
| Janssen Biotech, Inc. | $80.57 | 4 |
| Novartis Pharmaceuticals Corporation | $68.17 | 3 |
| Abbvie Inc. | $67.62 | 3 |
What the 2025 payments were for
- Food and Beverage$597.46 · 29 payments
- Education$24.17 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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