Kathleen Mary Obrien, MD
NPI 1427236975ActiveIndividual· Emergency Medicine· Reno, NV
Emergency Medicine (MD) in Reno, Nevada, trained at University of Massachusetts Medical School (class of 2006). 226 Medicare patients in 2024, $33,332 paid; nearly all of their 90 Part D prescriptions were generic (92%).
Overview
| NPI | 1427236975 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 7, 2008 |
| Last updated in NPPES | Feb 25, 2025 |
| Certified by provider | Feb 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A134513 | CA |
| Emergency Medicine | 207P00000X | 254591 | MA |
| Emergency Medicine | 207P00000X | 77459 | AZ |
| Emergency Medicine | 207P00000X | 17437 | NV |
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 (CA); Practitioner - Emergency Medicine (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 226 |
|---|---|
| Services billed | 387 across 13 procedure codes |
| Paid by Medicare | $33,332 |
Part D prescriptions in 2024
| Prescriptions (claims) | 90 · 94 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $2,524 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Cep America - CaliforniaPomona, CA · 1,292 clinicians
- Tahoe Forest Hospital DistrictTruckee, CA · 140 clinicians
- California Emergency Physicians Medical Group A Professional CorpTruckee, CA · 19 clinicians
- Carson Tahoe Emergency PhysiciansCarson City, NV · 18 clinicians
Hospital affiliations
- Carson Tahoe Regional Medical CenterCarson City, NV
- Tahoe Forest HospitalTruckee, CA
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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All 91 emergency medicine physicians in Reno · All emergency medicine physicians in Nevada