Thomas P. Leist, M.D.
NPI 1801816681ActiveIndividual· Psychiatry & Neurology, Neurology· Philadelphia, PA
Psychiatry & Neurology, Neurology (M.D.) in Philadelphia, Pennsylvania, trained at University of Miami, Lm Miller School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $3,526,969 for 2,075 claims, against $64,267 paid for services in 2024. Tg Therapeutics, Inc. was the largest of 12 companies reporting payments in 2025, $124,443 in all, mostly speaking and faculty fees.
Overview
| NPI | 1801816681 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 21, 2006 |
| Last updated in NPPES | May 16, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | MD-070815-L | PA |
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 - Neurology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 284 |
|---|---|
| Services billed | 843 across 24 procedure codes |
| Paid by Medicare | $64,267 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,075 · 3,824 30-day fills |
|---|---|
| Patients | 315 |
| Total drug cost | $3,526,969 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Miami, Lm Miller School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Jefferson University PhysiciansPhiladelphia, PA · 1,531 clinicians
Hospital affiliations
- Chester County HospitalWest Chester, PA
- Jefferson Einstein Philadelphia HospitalPhiladelphia, PA
- Thomas Jefferson University HospitalPhiladelphia, PA
Industry payments (Open Payments)
- 2025$124,443 · 168 payments from 12 companies
- 2024$138,919 · 197 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tg Therapeutics, Inc. | $38,678 | 36 |
| Amgen Inc. | $26,806 | 37 |
| Genentech USA, Inc. | $18,351 | 14 |
| Alexion Pharmaceuticals, Inc. | $15,231 | 13 |
| Biogen, Inc. | $11,084 | 20 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$65,662 · 19 payments
- Consulting Fee$43,444 · 9 payments
- Travel and Lodging$10,851 · 37 payments
- Food and Beverage$4,487 · 103 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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