Quick answers
- Does Katelyn L. Nielsen accept Medicare assignment?
- Yes. Medicare's clinician data says Katelyn L. Nielsen 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 Katelyn L. Nielsen's NPI number?
- 1619662848. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katelyn L. Nielsen works
Medicare's Facility Affiliation Data lists Katelyn L. Nielsen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Eisenhower Medical CenterRancho Mirage, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050573
Practice locations
Addresses where Katelyn L. Nielsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 39000 Bob Hope DrRancho Mirage, CA 92270
- 77597 Westbrook CtPalm Desert, CA 92211
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Rancho Mirage
Clinicians with the same Medicare primary specialty in Rancho Mirage, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2023 (3 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619662848 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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