Quick answers
- Does Sandra Nibbelink Ahearn accept Medicare assignment?
- Yes. Medicare's clinician data says Sandra Nibbelink Ahearn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Sandra Nibbelink Ahearn's NPI number?
- 1326513441. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Sandra Nibbelink Ahearn is enrolled with Medicare (CMS data updated October 2, 2026).
- 3300 Vista Way, Suite BOceanside, CA 92056 (760) 967‑9900
- 8885 Rio San Diego Dr, Suite 212San Diego, CA 92108 (619) 299‑2350
Group practices
Medicare enrollment lists Sandra Nibbelink Ahearn as a member of this group (CMS data updated October 2, 2026).
- Balboa Nephrology Medical Group Inc76 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Oceanside
Clinicians with the same Medicare primary specialty in Oceanside, CA — not a recommendation.
Other clinicians in Balboa Nephrology Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326513441 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians