Rosemary Castillo
Nurse Practitioner · Optum
Overview
Experience
Rosemary Castillo is a licensed Nurse Practitioner. Currently working at Optum in San Dimas, CA. Nurse Practitioners are advanced practice nurses who diagnose conditions, prescribe medications, and manage patient care with a high degree of clinical autonomy.
Education
Skills
About Optum
Position in NurseSend Database
- 95,391 healthcare professionals in NurseSend hold the Nurse Practitioner specialty. Rosemary Castillo is one of them.
- 6,866 Nurse Practitioners are based in CA (out of 92,278 total healthcare contacts in that state).
- 1,073 contacts at Optum are tracked in NurseSend.
- Typical Nurse Practitioner compensation in CA: $103,000 – $198,000 (median $146,000). Source: BLS OEWS adjusted for state cost of labor.
- Top employers of Nurse Practitioners in CA: Kaiser Permanente (368), Stanford Health Care (146), U.S. Department Of Veterans Affairs (105).
- 3% of Nurse Practitioners in CA hold a senior title (Manager, Director, Charge Nurse, Supervisor, Lead, etc.).
- 84% of Nurse Practitioners in CA have verified education credentials on file.
Data refreshed November 2026 · Compiled from NPI registry public licensing data and public LinkedIn profile data. Methodology & sources.
Recruiting Nurse Practitioner
Nurse Practitioners (NPs) provide advanced clinical care and often practice with independence. Recruiting an NP like Rosemary Castillo typically requires emphasizing autonomy, patient panel size, and prescriptive authority. NPs are in high demand for primary care, urgent care, and specialty clinics.
Frequently Asked Questions
Where is Rosemary Castillo located?
Rosemary Castillo is based in San Dimas, CA and is a Nurse Practitioner.
Where does Rosemary Castillo work?
Rosemary Castillo is currently at Optum in San Dimas, CA.
How do I get Rosemary Castillo's contact information?
NurseSend Pro members can access verified email, phone, and LinkedIn for Rosemary Castillo. Subscribe to NurseSend to unlock direct contact information for this Nurse Practitioner.
How do I recruit Nurse Practitioner like Rosemary Castillo?
To recruit Rosemary Castillo, use NurseSend to access their verified email and phone number. Personalize your outreach with their specialty, current location, and relevant role details. NurseSend has 1M+ healthcare contacts searchable by specialty and location.
What is the average salary for a Nurse Practitioner in CA?
Nurse Practitioners in CA typically earn $103,000 to $198,000 annually, with a median of $146,000. Figures derive from BLS OEWS data, adjusted for state cost of labor. Senior-titled roles (Charge Nurse, Manager, Director) and high-acuity practice settings push the upper end.
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