Our Providers – Mishawaka


Sheilah Adams MSN, FNP-CSheilah Adams MSN, FNP-C


Sheilah Adams MSN, FNP-C is a Family Nurse Practitioner at our Mishawaka facility. She is a graduate of Goshen College with a Bachelor of Science in Nursing, a Master of Nursing and a Doctor of Nursing Practice from Walden University. Ms. Adams worked as a RN specializing in Cardiac Care/CCU at St. Joseph Medical Center and a RN specializing in Critical Care at Triumph Our Lady Of Peace in Mishawaka, Indiana. Before joining HealthLinc, she was a Family Nurse Practitioner for Locums Barton Associates in Jupiter, Florida. Ms. Adams is the Founder of Black Nurses Educating the Community, a non-profit organization empowering at risk populations by providing education and awareness about chronic disease. She is also an active motivational speaker and health advocate.


Milcah Gichuru, FNPMilcah Gichuru, FNP


Milcah Gichuru, FNP, is a family nurse practitioner at HealthLinc’s Mishawaka Clinic. With over 600 hours of clinical rotation in the areas of family health, adults and geriatrics, pediatrics, and women’s health, Milcah provides comprehensive care for a wide variety of patients with diverse needs. Milcah’s Family Nurse Practitioner Master’s degree was completed at the University of Michigan, Ann Arbor, with undergraduate studies at Indiana University. In addition to practicing at HealthLinc, Milcah is an RN on staff at St. Joseph Regional Medical Center in Mishawaka.


Daniel Kinsey, MDDaniel Kinsey, MD




Katherine A. Lisoni, MDKatherine A. Lisoni, MD

Site Medical Director


Katherine A. Lisoni, MD, is a practicing Family Physician and the Site Medical Director at HealthLinc in Mishawaka. She completed her Medical Doctorate from Northwestern University Medical School and graduated from St. Joseph Family Medicine Residency program in South Bend. She also completed a Fellowship in International Health through her St. Joseph Family Medicine Residency, specializing in global health with a focus in obstetrical care, emergency dental procedures, and minor surgical procedures.


Kathleen Long, NPKathleen Long, NP




Tamara Olson MSN, FNP, NP-CTamara Olson MSN, FNP, NP-C


Tamara Olson MSN, FNP, NP-C is a Family Nurse Practitioner at our Mishawaka facility. She graduated from Indiana University South Bend with a Bachelor of Science in Nursing and Indiana University Purdue University where she received a Master of Science in Nursing. Ms. Olson has been a Family Nurse Practitioner since 2007 having worked at the Howe Medical Center, The South Bend Clinic, IU Health in La Porte, Memorial Hospital of South Bend, Harbor Light Hospice, and Paragon Employee Health Clinic. Her licenses include AANP-FNP Board Certified, DEA, BLS Certified, DOT-CDL Medical Examiner Certified, and PPD Administration & Interpretation Certified. She is also a member of the American Academy of Nurse Practitioners and the Coalition of Advanced Practice Nurses of Indiana.


Jana Schenkel, CNMJana Schenkel, CNM


Jana Schenkel is a certified nurse midwife at our Mishawaka clinic. She received her midwife training in Germany, then received her Bachelor’s in Nursing from the University of Detroit Mercy and her Masters in Nursing from Wayne State University. She has recently worked as an emergency room RN, a sexual assault nurse examiner, and in the home health system throughout cities in Michigan. She has basic training in fetal heart tracing, and is an expert witness for Sexual Assault Victims. She is also fluent in German and Russian.


Michelle Streb, NPMichelle Streb, NP


Michelle Streb attended Indiana University and Goshen University for her Bachelor of Science in Nursing and Masters in Nursing, respectively. She holds an array of certifications and distinctions. With nearly 30 years of nursing experience, Michelle has joined HealthLinc’s team as a Nurse Practitioner.


Judith Weaver-Yoder, RN, CNMJudith Weaver-Yoder, RN, CNM


Judith Weaver-Yoder serves as a Certified Nurse Midwife at HealthLinc’s Mishawaka location. A member of the American College of Nurse Midwives for two decades, she has been a practitioner and manager of Midwifery of Michiana since 1995. She holds degrees in Nursing and Social Work from Goshen College in Goshen and a Master of Science in Nursing from Case Western Reserve University. Her certification in Nurse-Midwifery is from Frontier Nursing School of Midwifery & Family Nursing.

Sandy Imanse, LSCWSandy Imanse, LCSW


Sandy Imanse has over 25 years of social work experience. She has a very diverse background within her field, with positions ranging from mental health therapy to a public school guidance counselor. Sandy earned her Bachelor of Social Work from Western Michigan University and her Master of Social Work from Michigan State University. She comes to HealthLinc excited to make a difference to our patients in Mishawaka.


Thomas Keller, LCSWThomas Keller, LCSW


Thomas Keller serves as a Behavioral Health Consultant as part of HealthLinc’s integrated health program. Also on staff at Oaklawn as a licensed clinical social worker, Thomas received his B.A. degree in Criminal Justice and Psychology from Indiana University and his Master’s in Social Work from East Carolina University. He has more than 20 years of experience in his field working with addictions, abused and neglected children, and emotional and behavior disorders.





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HealthLinc, Inc. is a Health Center Program grantee under 42 U.S.C. 254b, and a deemed Public Health Service employee under 42 U.S.C. 233(g)-(n).