Karen Elizabeth Olson, MD
NPI 1659957165ActiveIndividual· Emergency Medicine· Flagstaff, AZ
Emergency Medicine (MD) in Flagstaff, Arizona, trained at University of Pittsburgh School of Medicine (class of 2021). 89 Medicare patients in 2024, $12,290 paid; nearly all of their 153 Part D prescriptions were generic (92%).
Overview
| NPI | 1659957165 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 23, 2021 |
| Last updated in NPPES | Oct 16, 2025 |
| Certified by provider | Oct 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 78302 | AZ |
| Emergency Medicine | 207P00000X | DR.0072627 | 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) | Enrolled Practitioner - Emergency Medicine (AZ); Practitioner - Emergency Medicine (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 89 |
|---|---|
| Services billed | 126 across 17 procedure codes |
| Paid by Medicare | $12,290 |
Part D prescriptions in 2024
| Prescriptions (claims) | 153 · 159 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $8,938 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Emergency Medicine |
Medical group
- Flagstaff Emergency PhysiciansFlagstaff, AZ · 42 clinicians
Hospital affiliations
- Flagstaff Medical CenterFlagstaff, AZ
- Verde Valley Medical CenterCottonwood, AZ
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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