Olivia Kieffer, PA-C
NPI 1134901671ActiveIndividual· Physician Assistant, Medical· Mesa, AZ
Physician Assistant, Medical (PA-C) in Mesa, Arizona, trained at Lincoln Memorial University Medical Department (class of 2023). In 2024 Medicare paid $7,679 for 47 patients, and Part D covered 96 of their prescriptions, 80% of them generic. Exact Sciences Corporation reported $29.07 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1134901671 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Oct 18, 2023 |
| Last updated in NPPES | Oct 22, 2026 |
| Certified by provider | Oct 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 10570 | AZ |
| Physician Assistant | 363A00000X | PA.PA.61484555 | WA |
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 - Physician Assistant (AZ); Practitioner - Physician Assistant (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 47 |
|---|---|
| Services billed | 749 across 25 procedure codes |
| Paid by Medicare | $7,679 |
Part D prescriptions in 2024
| Prescriptions (claims) | 96 · 117 30-day fills |
|---|---|
| Patients | 32 |
| Total drug cost | $7,573 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Lincoln Memorial University Medical Department |
|---|---|
| Graduation year | 2023 |
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Summit Medical Group Arizona LLCGlendale, AZ · 158 clinicians
Hospital affiliation
- Banner Baywood Medical CenterMesa, AZ
Industry payments (Open Payments)
- 2025$29.07 · 2 payments from 1 company
- 2024$1,491 · 68 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $29.07 | 2 |
What the 2025 payments were for
- Food and Beverage$29.07 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 100 physician assistants in Mesa · All physician assistants in Arizona