Tierney Lynne Tirey, M.D.
NPI 1710102991ActiveIndividual· General Practice· North Las Vegas, NV
General Practice (M.D.) in North Las Vegas, Nevada, trained at University of Arkansas College of Medicine (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $490,645 for 7,860 claims, against $32,058 paid for services in 2024.
Overview
| NPI | 1710102991 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 14, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 5410 | NV |
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 - Family Practice (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 149 |
|---|---|
| Services billed | 559 across 9 procedure codes |
| Paid by Medicare | $32,058 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,860 · 20,843 30-day fills |
|---|---|
| Patients | 537 |
| Total drug cost | $490,645 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Arkansas College of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Family Practice |
Medical group
- Zephyrene C Villaluz MD ChtdN Las Vegas, NV · 2 clinicians
Hospital affiliation
- North Vista HospitalNorth Las Vegas, NV
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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