Gregory Samuel Lachar, MD
NPI 1386620458ActiveIndividual· Emergency Medicine· Plano, TX
Emergency Medicine (MD) in Plano, Texas, licensed in TX, with an NPI issued in December 2005. 542 Medicare patients in 2024, $80,077 paid; nearly all of their 348 Part D prescriptions were generic (92%). Abbott Laboratories was the largest of 4 companies reporting payments in 2025, $619.03 in all, mostly food and beverage.
Overview
| NPI | 1386620458 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Dec 20, 2005 |
| Last updated in NPPES | Apr 10, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | L9771 | TX |
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 - Emergency Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 542 |
|---|---|
| Services billed | 980 across 25 procedure codes |
| Paid by Medicare | $80,077 |
Part D prescriptions in 2024
| Prescriptions (claims) | 348 · 359 30-day fills |
|---|---|
| Patients | 225 |
| Total drug cost | $6,032 |
| Generic share | 92% of claims |
Industry payments (Open Payments)
- 2025$619.03 · 6 payments from 4 companies
- 2024$573.91 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $209.86 | 2 |
| Stryker Corporation | $170.50 | 1 |
| Vifor Pharma, Inc. | $136.01 | 1 |
| Csl Behring | $102.66 | 2 |
What the 2025 payments were for
- Food and Beverage$619.03 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 emergency medicine physicians in Plano · All emergency medicine physicians in Texas