IUSB Medical
Indiana University South Bend Vera Z. Dwyer Hall
1960 Northside Blvd.
South Bend, IN 46615
After Hours: (888) 580-1060
Local Phone: (574) 307-7673
Fax: (574) 234-4706
Monday: 8:00 a.m. – 5:00 p.m.
Tuesday: 8:00 a.m. – 5:00 p.m.
Wednesday: 8:00 a.m. – 5:00 p.m.
Thursday: 8:00 a.m. – 5:00 p.m.
Friday: 8:00 a.m. – 5:00 p.m.
Saturday: CLOSED
Sunday: CLOSED
Christine Hawkins – Family Nurse Practitioner
Christine Hawkins is a family nurse practitioner in South Bend. She is a graduate of the Valparaiso University Family Nurse Practitioner Post-Graduate Program. She is an Advanced Practice Nurse-Board Certified ANCC with over 15 years of experience in family practice. She is skilled in diagnosis, treatment, and follow-up care with a strong focus on preventative medicine. Hawkins is a community health advocate and is involved with multiple organizations that serve the healthcare community.
Dr. Dawn Simala – Family Medicine
Dr. Simala earned her Bachelor of Arts in Psychology from Purdue University and her doctorate from Kirksville College of Osteopathic Medicine. She completed her residency at Michiana Community Hospital in South Bend. Dr. Simala is a member of the American Osteopathic Association and a honorary professor at the Indiana University School of Medicine. She has special interest in dermatology, diabetes care, and women’s health.
Michelle Streb – Family Nurse Practitioner
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.
Kristen Bessler – Clinical Pharmacist
Kristen Bessler is the Clinical Pharmacist at the HealthLinc Southeast and IUSB Medical locations. She completed her Post-Graduate Year 1 Community Pharmacy Residency training with HealthLinc and Purdue University. Kristen provides education to patients and helps in the patients and helps in the management of many chronic disease states, including but not limited to, diabetes, hypertension hyperlipidemia. She is a member of the Indiana Pharmacist Association, Association, Association of Diabetes Care & Education Specialist, and American Pharmacist Association.
Specialties: Medication Management, Diabetes and Chronic Disease Management

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HealthLinc, Inc. receives HHS funding and has Federal Public Health Service (PHS) deemed status with respect to certain health or health-related claims, including medical malpractice claims, for itself and its covered individuals.
Lilia Bonilla - Family Nurse Practitioner
Site Medical Director
Lilia Bonilla is the Site Medical Director and a Nurse Practitioner in Family Medicine. She is board certified with over 19 years of experience as a highly skilled and dedicated family nurse practitioner. Lilia provides comprehensive care for a wide variety of patients with diverse needs. She has extensive experience in family and adult medicine, women’s health and pediatrics. Lilia is a member of the American Association of Nurse Practitioners and American Nurses Association. She also serves as a preceptor and mentor for Nurse Practitioner Residents. Lilia is fluent in both English and Spanish.
Specialties: Family Practice, Women’s Health, Pediatrics
Diana Garcia Burns - Family Nurse Practitioner
Diana Garcia Burns has been serving East Chicago for over 30 years. She is experienced in family medicine, emergency medicine, public health, and administration. Diana is board certified through the American Nurses Credentialing Center and is certified in Advanced Life Support, Pediatric Life Support, and Stroke Care. She is currently an instructor for the American Heart Association and a member of the Indiana Nurses Association (INA), American Nurses Association (ANA) and American Association of Nurse Practitioners (AANP).
Specialties: Emergency Medicine, Public and Environmental Health
Dr. Ed S. Hassan - Internal Medicine
Dr. Hassan has practiced medicine on four continents: Africa, Asia, Europe, and North America, giving him a unique perspective to health care. He received additional training in Internal Medicine at Cook County Hospital in Chicago. Dr. Hassan is certified by the American Board of Internal Medicine and is a member of the American College of Physicians. He is fluent in English, Spanish and Arabic.
Specialties: Hypertension, Diabetes, Asthma, Elevated Blood Cholesterol
Nadine Salman - Family Nurse Practitioner
Nadine Salman delivers patient-centered care from infancy to adulthood by providing education and counseling on health promotion and disease prevention. She serves as an advocate by working in a partnership with patients and families to provide holistic care. Nadine’s passion is to give patients the tools and knowledge to help them make better health choices so they can live longer and healthier.
Specialties: Pediatrics, Disease Prevention, Adult Health and Wellness Promotion
Jessica Sinclair - Clinical Pharmacist
Dr. Carl Toren - Pediatrician
Dr. Toren’s practice is focused on the health of children, both for the present and the future. He partners with families to monitor a child’s growth, development, nutrition, and safety, while following expert guidelines for vaccinations and screenings. If sickness comes, he offers comprehensive examinations, tests to discover the cause and then arranges any necessary treatment and follow-up. Dr. Toren is fluent in both English and Spanish.
Specialties: Pediatric Development, Pediatric Nutrition, Immunizations
Charita Weekly - Family Nurse Practitioner
Charita Weekly’s number one priority is providing excellent, comprehensive health care. She serves the entire family with a focus on promoting health and maintenance. Each approach is age specific to her patient and transitions throughout their life span. With emphasis on disease prevention and wellness, she treats the whole person and assists in achieving a higher quality of life.
Specialties: Family, Medical Examiner for the Department of Transportation, Disease Prevention
Dr. Firas Adhami - Dentist
Dr. Firas Adhami is committed to alleviating the health disparities of the underserved. He is the recipient of the Excellence in Prosthodontics Award from the American College of Prosthodontics. In May 2016, he published an article in the Journal of the American Dental Association entitled “Soft-tissue calcification on a panoramic radiograph.” Dr. Adhami maintains active memberships in the American Dental Association and the Academy of General Dentistry.
Specialties: Extractions, Root Canal Therapy, Prosthodontics
April Chaja - Dental Hygienist
LaTonya Cooper - Licensed Clinical Social Worker
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)