Gregory B. Tirdel, MD
NPI 1821080144ActiveIndividual· Internal Medicine· Truckee, CA
Internal Medicine (MD) in Truckee, California, trained at Hahnemann University College of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $766,506 for 1,786 claims, against $13,121 paid for services in 2024. United Therapeutics Corporation was the largest of 2 companies reporting payments in 2024, $216.96 in all, mostly food and beverage.
Overview
| NPI | 1821080144 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 22, 2005 |
| Last updated in NPPES | Feb 17, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G69661 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | G69661 | CA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | G696610 | 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 - Pulmonary Disease (CA); Practitioner - Pulmonary Disease (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 145 |
|---|---|
| Services billed | 171 across 5 procedure codes |
| Paid by Medicare | $13,121 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,786 · 2,376 30-day fills |
|---|---|
| Patients | 291 |
| Total drug cost | $766,506 |
| Generic share | 50% of claims |
Education and affiliations
| Medical school | Hahnemann University College of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Pulmonary Disease |
Medical groups
- Tahoe Forest Hospital DistrictTruckee, CA · 140 clinicians
- Barton Medical FoundationStateline, NV · 105 clinicians
- Barton Healthcare SystemSouth Lake Tahoe, CA · 23 clinicians
- Steljes MD PCSparks, NV · 6 clinicians
Hospital affiliations
- Barton Memorial HospitalSouth Lake Tahoe, CA
- Eastern Plumas Hospital - Portola CampusPortola, CA
- Incline Village Community HospitalIncline Village, NV
- Plumas District HospitalQuincy, CA
- Tahoe Forest HospitalTruckee, CA
Industry payments (Open Payments)
- 2024$216.96 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| United Therapeutics Corporation | $125.00 | 1 |
| Jazz Pharmaceuticals Inc. | $91.96 | 1 |
What the 2024 payments were for
- Food and Beverage$216.96 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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