Kari J. Williams, NP
NPI 1245254093ActiveIndividual· Nurse Practitioner· Phoenix, AZ
Nurse Practitioner (NP) with Mayo Clinic Arizona, practicing in Phoenix, Arizona. 160 Medicare patients in 2024, $44,547 paid; nearly all of their 568 Part D prescriptions were generic (92%). Pfizer Inc. was the largest of 3 companies reporting payments in 2024, $164.17 in all, mostly food and beverage. Lists Mayo Clinic Hospital as a hospital affiliation.
Overview
| NPI | 1245254093 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 26, 2006 |
| Last updated in NPPES | Oct 6, 2020 |
| Certified by provider | Oct 6, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | AP2257 | AZ |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 2005003744-21 | AZ |
| Nurse Practitioner, Adult Health | 363LA2200X | RN115961 | AZ |
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 - Nurse Practitioner (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 160 |
|---|---|
| Services billed | 597 across 15 procedure codes |
| Paid by Medicare | $44,547 |
Part D prescriptions in 2024
| Prescriptions (claims) | 568 · 622 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $29,568 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Mayo Clinic ArizonaScottsdale, AZ · 1,626 clinicians
Hospital affiliation
- Mayo Clinic HospitalPhoenix, AZ
Industry payments (Open Payments)
- 2024$164.17 · 3 payments from 3 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $81.55 | 1 |
| Averitas Pharma Inc. | $65.96 | 1 |
| Beigene USA, Inc. | $16.66 | 1 |
What the 2024 payments were for
- Food and Beverage$164.17 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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