Quick answers
- Does Rosalina P. Della accept Medicare assignment?
- Medicare's clinician data says Rosalina P. Della may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Rosalina P. Della see?
- In 2024, CMS data shows 164 Original Medicare patients and 338 services for Rosalina P. Della. This counts Original Medicare only and measures volume, not quality.
- What is Rosalina P. Della's NPI number?
- 1205937141. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Rosalina P. Della, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 164 |
|---|---|
| Services billed to Medicare | 338 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)69 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)39 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)34 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)32 services
- Automated urinalysis test (81003)18 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure71%
- Diabetes32%
- Arthritis32%
- Chronic kidney disease31%
- Osteoporosis17%
Hospitals where Rosalina P. Della works
Medicare's Facility Affiliation Data lists Rosalina P. Della 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.
- Adventist Health CastleKailua, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120006
Practice locations
Addresses where Rosalina P. Della is enrolled with Medicare (CMS data updated October 2, 2026).
- 660 Kailua RdKailua, HI 96734 (808) 263‑2273
Group practices
Medicare enrollment lists Rosalina P. Della as a member of this group (CMS data updated October 2, 2026).
- Castle Physician Network15 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Kailua
Clinicians with the same Medicare primary specialty in Kailua, HI — not a recommendation.
Other clinicians in Castle Physician Network
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1205937141 |
| 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
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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