1001 N. Sturdy Rd.
Valparaiso, IN 46383

Toll Free: (888) 580-1060
After Hours: (888) 580-1060
Local Phone: (219) 462-7173
Fax: (219) 462-7504

Medical Hours of Operation:
Monday: 8:00 a.m. – 8:00 p.m.
Tuesday: 8:00 a.m. – 8:00 p.m.
Wednesday: 8:00 a.m. – 8:00 p.m.
Thursday: 8:00 a.m. – 8:00 p.m.
Friday: 8:00 a.m. – 5:00 p.m.
Saturday: 9:00 a.m. – 1:00 p.m.
Sunday: CLOSED

Dental Hours of Operation:
Monday: 8:00 a.m. – 8:00 p.m.
Tuesday: 8:00 a.m. – 6:00 p.m.
Wednesday: 8:00 a.m. – 8:00 p.m.
Thursday: 8:00 a.m. – 6:00 p.m.
Friday: 8:00 a.m. – 4:00 p.m.
Saturday: CLOSED
Sunday: CLOSED

Dr. Jennifer Maya – Family Medicine

Site Medical Director

Dr. Maya is an experienced family medicine practitioner at the Valparaiso clinic where she also serves as the site medical director. She served as chief resident and completed the International Health Track while in residency at St. Joseph Regional Medical Center in South Bend. Dr. Maya is an active member of several professional associations, including the Indiana State Medical Association (ISMA). She has held leadership roles and received many honors and awards for her service. Dr. Maya is fluent in English and Spanish.

Specialties: Family Practice, Well-Child Checks and Immunizations, Senior Health


Dr. Amanda Mathews – Family Medicine

Assistant Site Medical Director

Dr. Mathews is dedicated to working with underserved communities and improving health disparities. She strives to improve the physical health of patients with chronic mental illness. In addition, Dr. Mathews acquired training and is part of a team working with pharmacists to treat Hepatitis C. Her goal is to build relationships with her patients and work towards better health together. Dr. Mathews is also passionate about teaching and developing other health professionals. She currently works with the nurse practitioner residency program at HealthLinc.

Specialties: Hep C Treatment, Integration of Medical Care and Mental Health Care


Kari Evans – Family Nurse Practitioner

Kari is a highly skilled and dedicated family nurse practitioner. She has over 25 years of extensive nursing experience in emergency, critical care and education. In addition, she works with the HealthLinc Residency Program. Kari holds several professional certifications including emergency nurse certification, ENPC, TNCC, and ACLS.

Specialties: Past Provider and Instructor of Pediatric Core Course (ENPC) & Trauma Nurse Core Course (TNCC) Certified Emergency Nurse (CEN), Preceptor of Family Nurse Practitioner Students


Sarah Feeler – Family Nurse Practitioner Resident

As a family nurse practitioner, Sarah is committed to building strong, positive relationships with each patient and their families and encourages them to be involved in their care. She believes this connection and team work help to better address and treat a patient’s needs and concerns rather than just the symptoms.

Specialties: Women’s Health, Preventative Care


Nicole Ford – Family Nurse Practitioner Resident

Nicole is a board-certified family nurse practitioner with many years of experience. She believes that taking a few extra minutes with a patient to better understand their wants and needs helps increase quality care and health outcomes. Nicole is passionate about building relationships with her patients and strives to care for each individual as a whole.

Specialties: Family Practice, Preventative Care, Patient Education


Dr. Keith Gingerich – Family Medicine

Dr. Gingerich is a family medicine physician in Valparaiso. He graduated from Valparaiso University and received his M.D. from Indiana School of Medicine. His areas of expertise include senior health and Medicare. He is experienced in family practice and emergency medicine. Dr. Gingerich has served as a volunteer board member for many organizations, such as the United Way of Porter County and the Christian Community Action of Porter County. He has served the Valparaiso community for over 20 years.


Asha Koshy – Family Nurse Practitioner

Asha is a family nurse practitioner serving the Valparaiso community. She takes a holistic approach to healthcare and likes to emphasize the importance of both physical and mental health. Asha has a strong background in geriatric medicine and has extensive knowledge in obesity medicine, and targets obesity as a root cause for many chronic diseases. She has a passion for medical missions and uses medical techniques she has learned from her global travels to help treat her patients

Specialties: Women’s Health, Nutrition and Obesity Medicine, Complementary and Alternative Medicine


Dr. Reem Mohammed – Podiatry

Dr. Mohammad is a board certified and surgically trained foot and ankle physician with over five years of clinical experience. She specializes in different types of foot and ankle care, including traditional and surgical treatment. Dr. Mohammad is passionate about wound care, and her goal is to slow down or stop the progression of diseases. She enjoys working with her patients to create healthy lifestyles that keep them on their feet and aims to build trusting and respectful relationships with her patients so that she can help them reach their health goals.

Specialties: Wound Care, Sports Injuries, Toe and Foot Deformities


Lisa Nelson – Family Nurse Practitioner

Lisa  is an experienced family nurse practitioner. She specializes in the holistic treatment of acute and chronic health problems. Lisa has a deep interest in the areas of health and wellness with an emphasis on improving health outcomes through a multidimensional approach. She has an interest in educating future nurse practitioners and patients to meet their goals.

Specialties: Wellness, Women/Children, Mental Health, Obesity


Dr. Leah Osorio – Family Medicine

Dr. Osorio is an experienced family medicine physician who is passionate about assisting her patients in creating healthy lifestyle changes. She works closely with her patients through all stages of life to empower them to lead healthy lives and enjoys forming partnerships with her patients and their families. Dr. Osorio is a yoga instructor and likes to introduce yoga into her patient’s care to help them reach optimal health. She is fluent in English and Spanish.

Specialties: Transgender Medicine, Chronic Disease Prevention and Management, Addiction Treatment


Dr. William Roman – Podiatry

Dr.  Roman is a board certified podiatrist with more than 15 years of experience. He offers in-office appointments at HealthLinc for such conditions as planter fasciitis, foot and ankle injuries, nerve and wound care, and orthopedic fittings. Dr. Roman specializes in podiatric surgery and is affiliated with St. Mary Medical Center in Hobart.

Specialties: Diabetic Foot Care, Fungal Infections and Warts, Bunions and Ingrown Toenails, Corns and Calluses, Plantar Fasciitis


Alexander Tokarski – Family Nurse Practitioner

As a graduate of HealthLinc’s Nurse Practitioner Residency Program, Alex has experience working with a variety of patients in a community health center setting. He is passionate about taking a holistic approach to medicine to ensure he treats his patients as a whole. Alex is dedicated to creating meaningful relationships with his patients and working with them to reach their health goals.

Specialties: Mental Health, Obesity, Diabetes


Tiara Williams – Family Nurse Practitioner Resident

Tiara is a board-certified family nurse practitioner with a background in medical-surgical nursing. She has extensive experience with chronic disease management and provides the care, education and resources needed for proper management. Tiara is dedicated and passionate about helping improve health outcomes by using evidence-based, personalized treatment plans and is focused on decreasing complex chronic conditions in her patients. She aims to be an advocate for her patients and works to create a stereotype and judgment-free space.

Specialties: Holistic Medicine, Preventative Care, Patient Education


Jonathan Berry – Clincal Pharmacist

As Valparaiso’s Post Graduate Year 1 (PGY1) community pharmacy resident, Jonathan assists patients with medication management and education. He is passionate about working with underserved and vulnerable patient populations and enjoys getting to work directly with his patients. Jonathan received his doctorate in pharmacy from Purdue University, is an active member of the American Pharmacists Association and the Indiana Pharmacists Association and acts as a co-preceptor to pharmacy students at the Valparaiso clinic.

Specialties: Diabetes, Hypertension, Tobacco, Nicotine Cessation


Henry Papineau– Clinical Pharmacist

As a clinical pharmacist, Henry helps patients to manage chronic diseases and gain access to needed medications. He received his Doctor of Pharmacy from Purdue University in 2019 and completed his PGY-1 Community Pharmacy Residency at HealthLinc in 2020. Henry is a member of the Indiana Pharmacist Association and the Association of Diabetes Care and Education Specialists. He also serves as a preceptor for HealthLinc’s Pharmacy Residency Program and mentors fourth-year pharmacy students.

Specialties: Diabetes, Hypertension, Hepatitis C


Lynn Thoma – Clinical Pharmacist

Lynn is a clinical pharmacist as well as the director for the HealthLinc Pharmacy Residency Program. She is a graduate of the Purdue University Pharmacy Program and is a sought after lecturer on topics involving community pharmacy and diabetes education. Lynn is an active member of many community and professional organizations.


Alexander Wilcox – Pharmacy Resident

Dr. Isaac Zeckel –  Dentist

Dr. Zeckel is an experienced dentist with a passion for improving his patients’ health. He has extensive knowledge in preventative dental care and strives to continue expanding and improving patient care at HealthLinc. Dr. Zeckel received his Doctor of Dental Surgery from Indiana University in 2011 and, since graduating, has been caring for the dental needs of HealthLinc patients as a full-time dentist. Because of his passion for patient care and dedication to oral hygiene, Dr. Zeckel was promoted to dental director, and then chief dental officer.

Specialties: Extractions, Comprehensive Dental Care, Dental Education


Dr. Dean Webb – Dentist

Dr. Webb has years of experience working with patients of all ages. He has been a part of HealthLinc since 2012 and understands the benefits a Federally Qualified Health Center offers for patients. Dr. Webb listens diligently, has an excellent bedside manner and strives to help patients better understand their dental needs and help address them.

Specialties: Dental Education, Oral Hygiene Maintenance

Melissa Johannsen – Dental Hygienist

As a dental hygienist, Melissa finds ways to make her patients feel comfortable while getting their teeth cleaned. She works with patients to uncover what motivates them to improve their oral hygiene and is happy to give tips and tricks to maintain healthy teeth. Melissa received her Bachelor of Science in Dental Hygiene from Indiana University South Bend.

Specialties: Oral Hygiene Maintenance, Patient Education


Julie Sausman – Dental Hygienist

Julie joined HealthLinc as a dental hygienist in 2016. She has experience working in a variety of dental settings and has found working for HealthLinc has provided her a way to contribute to her community in a more meaningful way. Julie enjoys providing her patients with quality dental care and takes pride in helping them overcome their dental anxieties. She graduated cum laude from Indiana University Northwest in 2006.

Specialties: Comprehensive Dental Care, Dental Education

Dr. Michael Roach – Optometrist

Dr. Roach has over 28 years of clinical experience in comprehensive optometric eye care. Using the latest technology and diagnostic equipment including retinal photography, he provides precise eyeglass prescriptions and manages issues of the eye including diabetes, dry eye, and eye infections. Dr. Roach also specializes in the evaluation of the eye for age-related degeneration, cataracts, and visual needs for school-aged children.

Specialties: Comprehensive Eye Care, Diabetic Eye Care, Eye Infections

Nicole Musenja – Licensed Mental Health Counselor

Nicole believes that a little caring goes a long way when people feel invisible and that it is imperative to give a voice to the voiceless in order to get them the care they need, regardless of their socioeconomic status, race and gender. As a behavioral health consultant, her role is to offer a safe emotional environment for patients to feel comfortable in expressing their emotions as they work through their medical challenges. Nicole received her bachelor’s degree in psychology from Wittenberg University and has a master’s degree in counseling psychology/mental health counseling.

Specialties: Adolescents, Underserved Populations, Active and Retired Military Personnel

"Great employees, nice, clean environment. Love it when they find ways to help those with low or no income. Every little bit helps so much and they sometimes have contests or promotions to help you help yourself. I am entered to win a Kindle because I had a PAP done. How awesome is that?"


"My doctor is wonderful. He takes his time and I never feel rushed. I am always in the room on time and out within a reasonable time."

"First time and I was absolutely impressed. Had a dental emergency and no insurance. HealthLinc went above and beyond my expectations. Ended up having 5 teeth pulled that have been bothering me for years. No other dentist would even touch them because I had no dental insurance. I can honestly say I was very impressed and thankful to finally have decent care at a decent price."

"I love HealthLinc! Service is always fast and friendly. Nurses and doctors are wonderful! I refer HealthLinc to all my friends!"

"Comfortable atmosphere, sliding scale payments with good physicians that care. They truly care about the patients and go above and beyond to help. I went to HealthLinc before having insurance, but still go here now that I do because I enjoy them that much. I would recommend to anyone seeking general medical help."

"I have had nothing but caring doctors and dentist here for my child. On her first dentist apt. they were very understanding and patient with my child who was afraid and comforted her very well. The doctor was amazing and I'm happy she's my daughter's new family physician."


"When we lost our health insurance I panicked, but a HealthLinc Navigator was there to help. She held my hand through the entire process and made sure I was taken care of. In a time of such uncertainty, she made me feel confident that we would be OK. "

We create healthy communities.

Same Day Appointments are Available.

For normal and after-hours healthcare advice.

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


Salman Nadine headshot with HealthLinc lab coat

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. 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.

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)