Leon Samuel Greos, MD
NPI 1003887738ActiveIndividual· Allergy & Immunology· Centennial, CO
Allergy & Immunology (MD) in Centennial, Colorado, licensed in CO, with an NPI issued in January 2006. Part D covered 23 prescriptions written in 2024, 74% of them generic.
Overview
| NPI | 1003887738 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 31, 2006 |
| Last updated in NPPES | May 4, 2021 |
| Certified by provider | May 4, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | DR.0028923 | CO |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 23 · 38 30-day fills |
|---|---|
| Total drug cost | $1,243 |
| Generic share | 74% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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