Katelyn L. Williams, NP-C
NPI 1639821655ActiveIndividual· Nurse Practitioner· Visalia, CA
Nurse Practitioner (NP-C) with Bass Medical Group and 1 other group, practicing in Visalia, California. Enrolled in Medicare as practitioner - nurse practitioner. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $844.76 in all, mostly food and beverage. Lists Kaweah Health Medical Center as a hospital affiliation.
Overview
| NPI | 1639821655 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Jan 20, 2022 |
| Last updated in NPPES | Dec 2, 2025 |
| Certified by provider | Dec 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 95020121 | CA |
| Nurse Practitioner, Acute Care | 363LA2100X | 95020121 | CA |
| Nurse Practitioner, Critical Care Medicine | 363LC0200X | PENDING | CA |
| Nurse Practitioner, Gerontology | 363LG0600X | PENDING | CA |
| Nurse Practitioner, Critical Care Medicine | 363LC0200X | 95020121 | CA |
| Clinical Nurse Specialist, Gerontology | 364SG0600X | 95020121 | CA |
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 (CA) |
|---|
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Bass Medical GroupChico, CA · 291 clinicians
- Hany Nasr MD IncVisalia, CA · 2 clinicians
Hospital affiliation
- Kaweah Health Medical CenterVisalia, CA
Industry payments (Open Payments)
- 2025$844.76 · 41 payments from 3 companies
- 2024$94.35 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $522.92 | 11 |
| Collegium Pharmaceutical, Inc. | $166.51 | 26 |
| Abiomed | $155.33 | 4 |
What the 2025 payments were for
- Food and Beverage$637.30 · 38 payments
- Travel and Lodging$207.46 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 56 nurse practitioners in Visalia · All nurse practitioners in California