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Our Team

Christopher Sayers, M.D.

Medical Director and Occupational Medicine Physician, La Porte

Dr. Christopher Sayers graduated from Indiana University School of Medicine, and completed his internal medicine residency at Rush University Medical Center in Chicago. Dr. Sayers has over 17 years of experience in occupational and environmental medicine, and has been with Northwest Health Occupational Medicine for over 11 years working in our La Porte clinic. He is a certified Medical Review Officer, and is on the National Registry of Certified Medical Examiners for the Department of Transportation. Dr. Sayers also has special expertise with overseeing fitness for duty programs regulated by the Nuclear Regulatory Commission.

Saligrama Ranganath, M.D.

Occupational Medicine Physician, Valparaiso

Dr. Ranganath has been practicing in the occupational medicine field for over 20 years, and has been with Northwest Health Occupational Medicine since 2011. He has completed residencies in both Internal Medicine and Occupational Medicine, and has a Master’s in Public Health degree. Prior to coming to Valparaiso, he worked for Methodist Occupational Health Centers, working as the medical director at both the Ford (Indy) as well as the Honda (Greensburg) plants. He has worked for Cummins Engine Company in Columbus, IN, and was the medical director for the Columbus Occupational Health Association. Dr. Ranganath is also a federally certified Medical Review Officer.

Giovanni Macapagal

Physical Therapy

Giovanni received his MS in physical therapy from Davao Doctors College in Davao City, Philippines, in 2013 and completed his physical therapy internship in a wide variety of settings. Before joining the Northwest Health Occupational Medicine team in 2018, he was a travel PT and worked in skilled nursing and acute rehab facilities in Hawaii, Texas, Chicago and several parts of southern Indiana. Prior to his travel career, he worked in home health, wound care, hospital inpatient and outpatient settings around northwest Indiana. He is a certified ergonomics assessment specialist, level I (CEAS), and is certified in instrument-assisted soft tissue mobilization, a regenerative manual therapy which aids in restoring dysfunctional tissue to pre-injury levels. Giovanni is currently pursuing qualification as a Certified Mulligan Concept Practitioner (CMP), which will further enhance his assessment and manual treatment skills applicable to spinal and extremity joints.

Heidi Bickel, N.P.

Occupational Medicine Nurse Practitioner

Heidi Bickel was born and raised in La Porte, Indiana. She has been a provider at Northwest Health WellPorte since 2020 and has practiced in other various roles throughout the Northwest Health La Porte organization since 2013. Heidi began her career at Northwest Health as a certified nurse assistant in the medical-surgical unit and worked as a registered nurse in the intensive care unit for five years prior to becoming a nurse practitioner. She is passionate about wellness and preventive medicine and has a particular interest in diabetes prevention, leading research and quality improvement initiatives related to this topic as part of her Doctor of Nursing Practice degree. She has been a member of the Mu Omega chapter of Sigma Theta Tau International Nursing Honor Society since 2018 and has been active in the American Association of Nurse Practitioners since 2019. Heidi maintains a focus on integrating evidence-based guidelines into her clinical practice in order to provide consistent, quality patient care. She and her husband have two “fur children” – a golden retriever and a German shepherd. Outside of her career, Heidi enjoys traveling, riding horses, hiking with her husband and dogs, beach volleyball and anything outdoors.

Todd Ellis, PTA, CEAS III

Occupational Medicine Physical Therapy Assistant/Ergonomic Specialist

Todd C. Ellis received an Associate of Arts (AA) in general studies from Indiana University with an emphasis in healthcare, and an Associate of Applied Science (AAS) in the physical therapist assistant program at Brown Mackie College, South Bend, IN. Todd has been with the Northwest Health Occupational Medicine Organization for over five years working in the inpatient/acute care, wound care, outpatient, and occupational service settings. He is a certified ergonomic assessment specialist II (CEAS II), certified clinical instructor (CI), astym certified and workwell certified to do job site analysis (JSA) and pre-work screens (PWS). His pre-healthcare background includes over 15 years of experience in construction and industrial/factory settings.

Leslie Schroeder

Account Executive

Phone: (219) 561-1119
Fax: (219) 325-6429

Leslie Schroeder earned her Bachelor of Liberal Arts and Science from Purdue University in Lafayette, IN and her OSHA Certification in 2001. She has over 20 years of marketing and sales experience working with nonprofits such as the La Porte County Convention & Visitors Bureau, volunteering her time with United Way and serving on the board of directors for Habitat for Humanity of LaPorte County.

Leslie joined our team at Northwest Health Occupational Medicine in 2015, working with companies to help satisfy all their occupational health needs, including drug screenings, CDL physicals and workers’ comp injury care. Please contact her to explore how Northwest Health Occupational Medicine can serve your employees’ needs in Laporte County.

Tammy Reibly

Corporate Wellness Coordinator

Tammy Reibly received her Bachelor of Arts in Health Promotion from Purdue University in Lafayette, Indiana. She has over 20 years of experience in corporate wellness and 15 years of experience in occupational health. Tammy, who joined Northwest Health Occupational Medicine 2014, is a dynamic presenter and motivational teacher. In her capacity as Corporate Wellness Coordinator, Tammy is a wellness expert and is available to help you and your employees reach their full wellness potential through baseline and follow-up screenings, education, health coaching and programming.

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