Marissa Ontis
Registered Nurse Clinic · St Anthonys Health Center
Overview
Experience
Education
Skills
About St Anthonys Health Center
Professional Overview
Marissa Ontis is a Registered Nurse Clinic, currently affiliated with St Anthonys Health Center, based in Alton, IL. As a nurse, Ontis contributes to patient care, clinical workflows, and healthcare operations in Alton, IL. They have been with St Anthonys Health Center for 10 years. Ontis holds academic credentials, including Master Of Science and Bachelor Of Science In Nursing, from Chamberlain University and Southern Illinois University Edwardsville. Core competencies include Nursing, Critical Care, Healthcare, Hospitals, Patient Safety. St Anthonys Health Center operates in the Hospital & Health Care sector with a workforce of 100 to 499 employees. Healthcare organizations seeking to recruit nurse professionals can use HealthTal to access direct email addresses and personal phone numbers compiled from public LinkedIn profile data and public licensing data in the NPI registry. Direct outreach to nurse specialists consistently yields higher response rates than passive job board postings, particularly for roles requiring specific clinical credentials or state licensure. The Alton, IL healthcare market offers access to a concentrated pool of clinical professionals, making direct outreach particularly effective for organizations building local care teams or expanding service capacity in the region.
Position in HealthTal Database
- 649,761 healthcare professionals in HealthTal hold the Nurse specialty. Marissa Ontis is one of them.
- 18,103 Nurses are based in IL (out of 48,672 total healthcare contacts in that state).
- 3 contacts at St Anthonys Health Center are tracked in HealthTal.
- Typical Nurse compensation in IL: $110,000 – $165,000 (median $128,000). Source: BLS OEWS adjusted for state cost of labor.
- Top employers of Nurses in IL: Advocate Health Care (584), Rush University Medical Center (435), Osf Healthcare (331).
- 5% of Nurses in IL hold a senior title (Director, Manager, Chief, VP, etc.).
- 72% of Nurses in IL have education credentials on file.
Data refreshed November 2026.
Recruiting Nurse
Registered nurses are among the most in-demand healthcare professionals in the US. Recruiting RNs directly via personal contact data significantly reduces time-to-fill compared to job boards. When recruiting nurses, highlighting shift flexibility, signing bonuses, and professional development opportunities increases response rates.
Browse all Nurses →Frequently Asked Questions
Marissa Ontis is based in Alton, IL. They are currently affiliated with St Anthonys Health Center.
Marissa Ontis specializes in Nurse. Their current role is Registered Nurse Clinic.
Marissa Ontis currently works at St Anthonys Health Center. They have been there for 10 years.
Marissa Ontis attended Chamberlain University and Southern Illinois University Edwardsville.
HealthTal provides direct email address and phone number for Marissa Ontis. Subscribe to access full contact details including personal email, direct dial, and LinkedIn profile.
Recruiting nurses typically involves reaching out via direct email or phone. HealthTal's database provides contact data for nurses across all 50 states, allowing you to contact candidates directly without going through job boards.
Nurses in IL typically earn $110,000 to $165,000 annually, with a median of $128,000. Figures derive from BLS OEWS data, adjusted for state cost of labor. Senior-titled roles (Director, Manager, Chief) and high-acuity practice settings push the upper end.