Mary Kosterman
Rn · Froedtert Health
Overview
Experience
Education
Skills
About Froedtert Health
Professional Overview
Mary Kosterman is a Rn, currently affiliated with Froedtert Health, based in Greendale, WI. As a registered nurse, Kosterman contributes to patient care, clinical workflows, and healthcare operations in Greendale, WI. They have been with Froedtert Health for 19 years. Kosterman holds academic credentials, including MSN, from Concordia University-Wisconsin. Core competencies include Medical/Surgical. Froedtert Health operates in the Hospitals & Physicians Clinics sector with a workforce of 1000 to 4999 employees. Healthcare organizations seeking to recruit registered 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 registered nurse specialists consistently yields higher response rates than passive job board postings, particularly for roles requiring specific clinical credentials or state licensure. The Greendale, WI 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
- 127,037 healthcare professionals in HealthTal hold the registered nurse specialty. Mary Kosterman is one of them.
- 2,495 registered nurses are based in WI (out of 28,699 total healthcare contacts in that state).
- 287 contacts at Froedtert Health are tracked in HealthTal.
- Typical registered nurse compensation in WI: $67,000 – $125,000 (median $83,000). Source: BLS OEWS adjusted for state cost of labor.
- Top employers of registered nurses in WI: Aurora Health Care (217), Froedtert Hospital (107), Wheaton Franciscan Healthcare (79).
- 7% of registered nurses in WI hold a senior title (Director, Manager, Chief, VP, etc.).
- 41% of registered nurses in WI have education credentials on file.
Data refreshed November 2026.
Recruiting registered 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 registered nurses →Frequently Asked Questions
Mary Kosterman is based in Greendale, WI. They are currently affiliated with Froedtert Health.
Mary Kosterman specializes in registered nurse. Their current role is Rn.
Mary Kosterman currently works at Froedtert Health. They have been there for 19 years.
Mary Kosterman attended Concordia University-Wisconsin.
HealthTal provides direct email address and phone number for Mary Kosterman. Subscribe to access full contact details including personal email, direct dial, and LinkedIn profile.
Recruiting registered nurses typically involves reaching out via direct email or phone. HealthTal's database provides contact data for registered nurses across all 50 states, allowing you to contact candidates directly without going through job boards.
registered nurses in WI typically earn $67,000 to $125,000 annually, with a median of $83,000. 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.