Thomas T. Paukert, M.D.
NPI 1013989540ActiveIndividual· Internal Medicine, Nephrology· Napa, CA
Internal Medicine, Nephrology (M.D.) in Napa, California, trained at University of Chicago, Pritzker School of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $1,477,877 for 3,978 claims, against $241,495 paid for services in 2024. Amgen Inc. was the largest of 12 companies reporting payments in 2025, $421.56 in all, mostly food and beverage.
Overview
| NPI | 1013989540 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 7, 2006 |
| Last updated in NPPES | Nov 21, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | G36333 | 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) | Enrolled Practitioner - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 220 |
|---|---|
| Services billed | 6,175 across 21 procedure codes |
| Paid by Medicare | $241,495 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,978 · 6,210 30-day fills |
|---|---|
| Patients | 382 |
| Total drug cost | $1,477,877 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Napa Valley Nephrology and Internal Medicine IncNapa, CA · 2 clinicians
Hospital affiliations
- Adventist Health ClearlakeClearlake, CA
- Adventist Health St HelenaSaint Helena, CA
- Adventist Health Ukiah ValleyUkiah, CA
- Providence Queen of the Valley Medical CenterNapa, CA
- Sonoma Valley HospitalSonoma, CA
Other facilities
- Davita Lakeport Dialysis CenterDialysis facility · Lakeport, CA
- Davita Napa Dialysis CenterDialysis facility · Napa, CA
- Davita Silverado DialysisDialysis facility · Napa, CA
Industry payments (Open Payments)
- 2025$421.56 · 19 payments from 12 companies
- 2024$771.12 · 30 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $70.54 | 3 |
| Astrazeneca Pharmaceuticals LP | $64.44 | 3 |
| Alexion Pharmaceuticals, Inc. | $53.03 | 2 |
| Bayer Healthcare Pharmaceuticals Inc. | $42.46 | 2 |
| Dexcom, Inc. | $41.39 | 2 |
What the 2025 payments were for
- Food and Beverage$421.56 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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