The Osage Nation envisions a strong, culturally-sensitive healthcare system that will transform the health of the communities we serve and provide Native American families with healthcare they can rely on. All tribes are welcome.
Direct services are available to all eligible Native Americans and referred care is allowable to those residing within the Osage Nation Reservation, Kay, Grant, Noble, Payne and Garfield Counties.
The Wahzhazhe Health Center is dedicated to promoting a culture of continuous Quality and Performance Improvement. It is the goal of the Wahzhazhe Health Center to always provide optimal care and services to the patients we proudly serve.
In this edition of Employee Spotlight, we’re proud to recognize Michelle Wollenzin, RN, BSN, MSN, MLS, CHC, whose decades of healthcare leadership, clinical expertise, and commitment to excellence have made a lasting impact on the Osage Nation Health System. We are fortunate to have her knowledge, experience, and dedication on our team. Michelle Wollenzin, RN, BSN, MSN, MLS, CHC, serves in the Quality & Compliance Office at the Osage Nation Health System and brings more than 32 years of nursing and healthcare leadership experience to her role. Her educational background includes a Bachelor of Science in Nursing from Wheeling Jesuit University in West Virginia, a Master of Science in Nursing with a focus in Healthcare Administration from Kaplan University in Chicago, Illinois, and a Master’s in Healthcare Law from the University of Oklahoma. Michelle is also a nationally board certified professional in Healthcare Compliance (CHC) from the Healthcare Compliance Association (HCCA), and a certified "Six Sigma Green Belt" professional trained in Lean Six Sigma and the DMAIC (Define, Measure, Analyze, Improve, Control) methodology widely used in healthcare today for advanced troubleshooting and problem solving in clinical and other highly complex workflows. Michelle’s passion for nursing began in childhood after watching nurses care for her sister during a hospitalization for rheumatic fever. Seeing the compassion, skill, and lifesaving care nurses provided left a lasting impression on her and inspired her to pursue nursing as a career. At the same time, she felt called to serve her country, leading her to combine both passions through her military service as a now retired senior field grade officer and also as a life-long healthcare professional and leader.Over the course of her career, Michelle has worked in a wide variety of nursing roles, including ICU, emergency care, long-term care, primary care, administration, public health, quality assurance, compliance, and risk management. She also proudly served 28 years in the United States Air Force, both on active duty and in the reserves, before retiring in 2024 with a distinguished career in nursing leadership, being bestowed many Air Force and DoD awards and honors during her remarkable career and service to her country. During the tragic May 3rd, 1999, Tornado outbreak event that struck Tinker AFB, OK, her quick and decisive nursing skills and leadership efforts during a real-world mass casualty event saved countless lives. Michelle has also been instrumental and a vital component in recent reaccreditation efforts with both the Health System's AAAHC and the Counseling Center's CARF national accreditations, being specifically noted to Administration by all surveyors from both accreditation bodies for her knowledge, professionalism, and diligence during the surveys. Michelle says one of the things she enjoys most about working at ONHS is the people she has met along the way. She describes her coworkers and the community as a true blessing and says her goal each day is to help ensure patients receive quality healthcare and compassionate service.Originally from Ohio, Michelle is also a proud mother of three, grandmother to one grandchild, and owner of one very spoiled dog. Outside of work, she enjoys reading books from all genres, often several at once, as well as cooking and sharing meals with others. Michelle wants the community to know she is deeply committed to serving patients and supporting the mission of ONHS. “I am here to serve you, the community, and our patients,” she shared. “I’m dedicated to that task.”
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We’re proud to continue our Employee Spotlight series by recognizing the talented professionals who help make the Osage Nation Health System stronger every day. Meet Kolton Stark! Kolton Stark serves as an Accountant II for the Osage Nation Health System, where he plays an essential role in ensuring the organization’s financial integrity and accountability. As a registered citizen of the Cherokee Nation, Kolton brings a strong commitment to excellence, helping support the financial foundation that allows ONHS to provide quality healthcare to the Osage community.With advanced expertise in accounting, finance, compliance, and auditing, Kolton supports the Health System through account reconciliations, financial reporting, budget monitoring, and compliance with organizational, federal, and grant requirements. He also plays a key role in preparing for the annual financial statement audit and Single Audit by developing schedules, compiling supporting documentation, and coordinating auditor requests to ensure timely, accurate, and transparent financial reporting.Kolton earned both his Bachelor of Science in Accounting and Finance and Master of Science in Accounting from Southern New Hampshire University. He has also completed the Oklahoma State University Tribal Finance and Accounting Certificate Program and holds an AICPA Data Analytics Certification. Currently, he is an active CPA candidate and is preparing to sit for his first Certified Public Accountant (CPA) examination.Before joining ONHS, Kolton built an impressive career in banking, advancing to Vice President and Financial Leader at Bank of Oklahoma. There, he advised business clients, including healthcare organizations, by analyzing financial performance, evaluating lending opportunities, and helping organizations achieve sustainable growth. His leadership in banking operations, risk management, regulatory compliance, and internal controls contributed to three consecutive clean audits and successful regulatory examinations. Earlier in his career, he also held multiple leadership and management roles in the food service industry, strengthening his operational and team leadership experience.Raised in Osage County, Kolton says serving the community where he grew up is one of the most rewarding aspects of his career. While his work takes place behind the scenes, he knows that strong financial stewardship directly supports patient care, organizational stability, and the Health System’s mission to serve tribal members and families throughout the region.Outside of work, Kolton enjoys spending time with his wife and family, traveling, fishing, working in their flower beds, and maintaining a saltwater reef aquarium. An accomplished cook, he completed a culinary program at Tri County Technology Center and earned awards in regional culinary competitions. Whether in his professional or personal life, Kolton lives by the motto: “Live life to the fullest.”As he continues pursuing his CPA designation, Kolton remains committed to lifelong learning and professional growth while supporting the Osage Nation Health System with the financial expertise, integrity, and dedication that help strengthen the organization’s future.
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