Gregory Steven Lenchner, M.D.
NPI 1154302040ActiveIndividual· Internal Medicine, Pulmonary Disease· Wynnewood, PA
Internal Medicine, Pulmonary Disease (M.D.) in Wynnewood, Pennsylvania, licensed in PA, with an NPI issued in November 2005. Their prescriptions cost Medicare Part D more than their services did: $419,533 for 1,056 claims, against $156,758 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 8 companies reporting payments in 2025, $591.61 in all, mostly food and beverage.
Overview
| NPI | 1154302040 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 8, 2005 |
| Last updated in NPPES | Apr 22, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | MD018715E | PA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | MD018715E | PA |
| Internal Medicine, Sleep Medicine | 207RS0012X | MD018715E | PA |
| Internal Medicine, Geriatric Medicine | 207RG0300X | MD018715E | PA |
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 - Pulmonary Disease (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 295 |
|---|---|
| Services billed | 1,593 across 20 procedure codes |
| Paid by Medicare | $156,758 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,056 · 1,318 30-day fills |
|---|---|
| Patients | 188 |
| Total drug cost | $419,533 |
Industry payments (Open Payments)
- 2025$591.61 · 28 payments from 8 companies
- 2024$1,142 · 49 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $254.84 | 15 |
| Astrazeneca Pharmaceuticals LP | $99.77 | 4 |
| Verona Pharma, Inc. | $75.00 | 3 |
| Regeneron Healthcare Solutions, Inc. | $60.90 | 2 |
| Genzyme Corporation | $28.17 | 1 |
What the 2025 payments were for
- Food and Beverage$591.61 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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