Shirley Codada, M.D.
Chief Medical Officer
Dr. Codada is board-certified in hospice and palliative care as well as internal medicine, and she is a fellow of the American Academy of Hospice and Palliative Medicine. Dr. Codada earned undergraduate degrees at Miami Dade College and Barry University, and then went on to earn her Doctor of Medicine at the University of Florida in Gainesville. She is a member of the American College of Physicians, American Medical Association, and American Academy of Hospice and Palliative Medicine. Dr. Codada regularly volunteers for medical missions to Haiti, where she was born.
Dr. Codada has decades of medical experience and a true passion for serving advanced illness and end of life needs.
John Abernethy, M.D.
Associate Medical Director
Dr. John Abernethy is board certified in both family practice and addiction medicine. He joined Haven as an Associate Medical Director in 2020. In addition to his role at Haven, he also serves as the Director of Addictions at Meridian Behavioral Healthcare and as the Medical Director at Ology Bioservices, Inc.
Dr. Abernethy graduated from the University of Miami with a Bachelor of Science degree and went on to medical school at the University of Florida, where he earned his medical degree in 1992. After medical school, he completed a family practice residency at the University of Florida.
Leanne Artigas, M.D.
Associate Medical Director
Dr. Artigas is a board certified internal medicine physician who joined Haven as an Associate Medical Director in 2018. Prior to Haven, she was an Associate Medical Director at Tidewell Hospice in Sarasota, Florida. Her previous clinical experience includes Assistant Clinical Professor at Vanderbilt University and Associate Staff Physician at Cleveland Clinic, where she completed her residency in internal medicine.
Dr. Artigas graduated with honors from the University of Miami with a bachelor’s degree in Chemistry. She then went on to earn her medical degree in 2004 from the University of Miami School of Medicine. Dr. Artigas is fluent in Spanish.
Geraldine S. Bichier, M.D.
Associate Medical Director
Prior to joining the Haven Medical Group in February 2008, Dr. Bichier held the position of assistant medical director at the Center for Clinical Trials Research at the University of Florida where she was intimately involved in the screening and study of volunteers while ensuring the safety of subjects and interpreting clinical data.
She earned her medical degree from the University of Wales in the United Kingdom. Dr. Bichier was a fellow in nephrology at the University of Florida, completed her residency in internal medicine at UCSD Medical Center in San Diego, California, and she served patients in a nephrology and internal medicine practice at the Valley Nephrology Medical Group in Fresno, California.
Previously, she was a registrar in cardiology, nephrology, neurology, gastroenterology and pulmonology for several hospitals in the United Kingdom.
More about Dr. Bichier: Some of Dr. Bichier’s interests include gardening and horseback riding. During her free time she also enjoys exploring Payne’s Prarie in the Gainesville area.
Christine Chapman, M.D.
Associate Medical Director
Dr. Christine Chapman is a board-certified family physician who joined Haven in 2022 as an Associate Medical Director.
Dr. Chapman graduated from Nova Southeastern University College of Osteopathic Medicine as a Doctor of Osteopathic Medicine. She completed a family practice residency in the North Broward Hospital District in Fort Lauderdale. Dr. Chapman has experience in pediatric and adult urgent care and primary care medicine as well as infectious diseases. She also has military healthcare experience, having served as the medical officer on duty at the West Palm Beach Veteran Affairs Medical Center and case manager for Afghan guests at Fort Pickett Military Base.
Karen Laauwe, M.D., FACEP
Associate Medical Director
Dr. Karen Laauwe is a board-certified emergency medicine physician who joined Haven in 2020 as an Associate Medical Director. In addition to her role at Haven, she serves as Assistant Professor at UF Health Spring Hill Emergency Center.
Dr. Laauwe graduated from the University of Bridgeport with a Bachelor of Science in Biology and went on to earn her MD from the Universidad Autonoma de Guadalajara. She completed an internship at St. Vincent’s Medical Center in Connecticut before going on to residency at Texas Tech University Health Sciences Center, where she became Chief Resident. Dr. Laauwe is also in the process of earning a Master’s Degree in Palliative Care and Hospice. In 1999, she earned the status of Fellow in the American College of Emergency Physicians.
Tiffany Massey, M.D.
Associate Medical Director
Dr. Tiffany Massey was a hospitalist for five years prior to joining Haven. She worked as the nocturnist at two large Jacksonville-based hospitals, both with open intensive care units, providing her with extensive experience managing complex patients. Dr. Massey provides inpatient hospice care at the Custead Care Center in Orange Park. She is the associate medical director for the care center and hospice home team. She is also the palliative care physician to Orange Park Medical Center. Dr. Massey considers it a privilege to help patients and their families as they navigate through end-of-life issues.
April Jessica Pinto, M.D.
Associate Medical Director
Dr. Pinto is an Associate Medical Director for the Gainesville area. Dr. Pinto completed her residency at the University of Florida in Emergency Medicine. She received her Bachelor of Science in Integrative Neuroscience from Binghamton University, State University of New York; her Master of Arts in Medical Sciences from Boston University School of Medicine; and her Doctor in Medicine degree from The Ohio State University School of Medicine. She has certifications in Pediatric Advanced Life Support (PALS), Advanced Trauma Life Support (ATLS), Emergency Neurologic Life Support (ENLS) and the Resident as Teacher Longitudinal Certificate Program (RAST).
Kristin Scott, M.D.
Associate Medical Director
Prior to joining Haven Medical Group as Associate Medical Director in April 2018, Dr. Scott completed neurology residency as well as hospice and palliative medicine fellowship at Mayo Clinic in Jacksonville, Florida. She is board-certified in both neurology and hospice and palliative medicine. Before joining the Haven team she worked with palliative care patients in the home and hospital setting.
She has published articles in the Journal of Palliative Medicine, Northeast Florida Medicine, and Neurology. In 2012, she received the Mayo Clinic Above and Beyond Award. Her volunteer work includes outreach clinics, a domestic violence shelter, and a medical mission trip.
She earned her medical degree in 2010 from Indiana University, where she previously earned a bachelor’s degree in psychology with highest distinction. From 2002-2006, she used her psychology degree to serve people with developmental disabilities by assisting them in the acquisition and refining of behavioral, practical, and social skills so that they were able to participate more fully in the community.
Ellen Laura Talos, M.D., FAAHPM, HMDC
Associate Medical Director
Prior to joining the Haven Medical Group in June 2011, Dr. Talos had her own private practice in family medicine at the Putnam Community Medical Center. She holds a certification as a hospice medical director and is currently an affiliated clinical assistant professor at the University of Florida College of Medicine. In 2019, Dr. Talos became a Fellow of the American Academy of Hospice and Palliative Medicine (FAAHPM).
In 2009, Dr. Talos was named 2009 Resident Teacher of the Year at Beaumont Hospital in Grosse Pointe, Michigan, and in 2008, she was the recipient of the Beaumont Hospital SEMMES/Resident of the Year Award.
Dr. Talos has served as a volunteer physician at the Gary Berstein Community Health Center and was a volunteer research assistant at Grady Hospital Emory School of Medicine. She is a member of the American Academy of Hospice and Palliative Care and the Putnam Community Medical Society. She earned her medical degree at St. Christopher’s College of Medicine in Dakar, Senegal (Luton-England Campus) in 2006.
Darrel Wyatt, M.D.
Associate Medical Director
Dr. Wyatt is a board-certified physician who joined Haven in 2019. He also continues to run his women’s health and gynecology practice in Palatka, Florida. Previously, he served in the National Guard and in the Army, from which he retired in 2009. Dr. Wyatt earned a Bachelor of Science in Chemistry at Arkansas State University in 1974 and earned his MD in 1978 at the University of Arkansas College of Medicine. In his spare time, Dr. Wyatt serves as a Certified Layspeaker for the United Methodist Church.
Patrick F. Woloszyn, M.D.
Associate Medical Director
Prior to joining the Haven Medical Group in June 2014, Dr. Woloszyn provided outpatient, family practice care and medical oversight for public health concerns as the Suwannee County Health Department Medical Director for 20 years.
Prior to his position at the Suwannee County Health Department, he was a medical consultant for Quality Care Assurance from 1994 to 1995 where he provided consultation to long-term care facilities, conducted risk management reviews and assisted in legal case preparations. For eight years, he served as a long-term care physician at the Texas Department of Health.
In 1978, Dr. Woloszyn earned his bachelor’s degree in chemical engineering at Clarkson University in Potsdam, New York, and earned his medical degree from the University of Texas Medical Branch in 1985.
Sherika Newman, D.O.
Medical Director of Palliative Care and Fellowship Program
Dr. Sherika Newman has practiced palliative medicine since 2009, joining Haven in 2022 as the Medical Director of Palliative Care and Fellowship Program. Dr. Newman received her DO from Nova Southeastern University College of Osteopathic Medicine and completed both her family medicine residency and fellowship in hospice and palliative medicine at Broward Health. In 2012, Dr. Newman was a nominee for the Robert Wood Johnson Young Leadership Award. Immediately prior to joining Haven, Dr. Newman was the Associate Medical Director at Vitas Healthcare-Atlanta.
Danielle DiGennaro, MSN, ANP-BC, ACHPN
Director of Palliative Care
Immediately prior to joining Haven, Danielle focused on home palliative care as a nurse practitioner for the Palo Alto Medical Foundation in Fremont, CA. At the beginning of her career, Danielle spent 7 years (5 as an RN and 2 as an NP) practicing inpatient cardiology at Duke University Medical Center. Her focus was advanced heart failure.
More about Danielle: Danielle enjoys biking with her toddler and visiting child-friendly events in north central Florida. Danielle also enjoys knitting in her spare time.
Shirley Aldrich, APRN
Shirley joined Haven Medical Group in 2012. She earned her Master of Science in Nursing from the University of Florida in 2004 in addition to a Bachelors of Science in Nursing from the University of North Florida in 2000.
Justin Chamberland, APRN
Justin Chamberland is a APRN who joined Haven in 2022. He graduated from University of Purdue Global with a master’s degree in nursing, specializing in adult-gerontology acute care, and received his bachelor’s degree in nursing from the University of Central Florida.
Among other experiences, Justin has worked at UF Health Shands’ surgical critical care unit in Gainesville, Florida, and as a practitioner in motion in Melbourne, Florida. He is a member of the American Nurses Association, American Association of Nurse Practitioners, American Association of Critical Nurses and the Society of Point of Care Ultrasound.
Jennifer Conlon, APRN
Jennifer Conlon is a board-certified family nurse practitioner who joined Haven in 2020. She attended Florida State College, where she earned her Associate Degree in Nursing. She then went on to earn a Bachelor of Science in Nursing and ultimately a Masters of Science in Nursing from Chamberlain University College of Nursing in 2016. Jennifer has served as a nurse in many roles, including traveling nurse, medical-surgical ICU, open heart recovery, post-surgical/trauma, organ procurement coordinator and neuro-surgical ICU. As a nurse practitioner, she has served Celebrate Primary Care, Gator CES and Flourish Health Network, of which she is also a co-owner. All told, her experience in the medical field spans more than 20 years. She was the recipient of the Nurse of the Year Award at UF Health Shands Jacksonville in 1999.
Susan “Lyn” Fort, MSN, APRN
Susan “Lyn” Fort is a board certified nurse practitioner who joined Haven in 2020. She attended Santa Fe Community College, where she received her Associate of Science in Nursing degree in 1998. She also received a Bachelor of Science in Education from Western Kentucky University in 1989. She also attended the University of South Alabama, where she received her Master of Science in Nursing degree in 2010. As a nurse practitioner, she has 10 years of experience in geriatrics in skilled nursing facilities and assisted living facilities. Prior to becoming a nurse practitioner, she had five years of intensive care experience and 7 years experience as a Liver Transplant Coordinator as an RN.
David Free, DNP
Immediately prior to joining Haven, David was the Director of Palliative Operations and Senior Nurse Practitioner at Vitas Healthcare, where he led a team of physicians and nurse practitioners across four hospital sites in Central Florida. With 10 years of experience as an NP in hospice and palliative care, David has published and presented his work both nationally and internationally.
David earned his medical degree at Chatham University in 2015 with a focus on palliative care program development. He completed a one-year fellowship in pain medicine and palliative care at Beth Israel/Mount Sinai, NY. He also served in Naval Public Affairs from 1990 to 1995 and was honorably released at the Petty Officer 2nd Class rank. He discovered his interest in nursing after being cross-trained as a medic during the 1991 Persian Gulf crisis. David’s volunteer experience includes playing oboe and English horn for various symphony orchestras and providing disaster relief during Hurricanes Katrina, Sandy, and Harvey.
Kinsley Giebeig, APRN, FNP-C
Prior to joining Haven, Kinsley was a registered nurse at Lake City Medical Center Intensive Care Unit, after working almost 3 years at Shands at the University of Florida in the Trauma/Vascular Intensive Care Unit. She earned her MSN (Master of Science in Nursing) at the University of South Alabama where she graduated with a dual degree (AGACNP/FNP).
More about Kinsley: In her spare time, Kinsley enjoys going to the movies, watching Florida Gator football, and going to the beach or river with her friends and family.
D’Jenie Helne, DNP, FNP-BC, ACHPN
D’Jenie Helne is a board-certified family nurse practitioner who joined Haven in 2020. She earned her Bachelor of Science in Nursing from Florida Agricultural and Mechanical University in 2007 and then went on to earned her Doctor of Nursing Practice from Loyola University in 2015. Prior to becoming a nurse practitioner, she served as a Trauma ICU and Medical ICU as long with various other settings for 8 years. Djenie has 5 years of APRN experience in primary care, long-term care, rehabilitation, heart failure, infectious disease, academia, palliative care, and hospice. D’Jenie earned the Advance Certified Hospice and Palliative Nurse certification from the Hospice and Palliative Credentialing Center in 2018.
Amanda Hill, DNP, AGACNP-BC
Amanda Hill is a board certified adult-gerontology acute care nurse practitioner who joined Haven in 2020. She earned a Bachelor of Science in Nursing from the University of South Florida in 2009 and went on to earn a Doctor of Nursing Practice degree from the University of Florida in 2015. She earned the Lois Knowles Award for Excellence in Gerontological Nursing in 2015. Prior to joining Haven, Amanda worked with Critical Care Specialists at AdventHealth in Central Florida.
Olayinka Ogedengbe, APRN
Olayinka Ogedengbe is a board-certified family nurse practitioner who joined Haven in 2020. She attended Santa Fe College in Gainesville, Florida, where she earned her Bachelor of Science in Nursing in 2016. She went on to attend South University in Savannah, Georgia, where she earned her Master of Science in Nursing in 2019. Olayinka has more than 10 years of experience in health care. She has worked in psychiatric medicine, trauma, rehabilitation, women’s health, infusion, and primary care. As a nurse practitioner, she has worked in medical oncology at UF Health Shands since 2019.
Angela Renaud, MSN, APRN, FNP-BC, ACHPN
Angela Renaud is a board-certified family nurse practitioner who joined Haven in 2019. She attended Jacksonville University, where she earned her Bachelor of Science in Nursing in 2012 and her Master of Science in Nursing in 2014. Angela worked at St. Vincent’s Healthcare in Jacksonville, Florida, from 2005 until 2018, starting out as an ICU RN and working her way up to Director of Nursing Operations. Her experience as an APRN prior to joining Haven includes work as a hospitalist, in addition to work in physical medicine and rehab, as well as hospice. Angela became an Advanced Certified Hospice and Palliative Nurse in September 2020.
More about Angela: In her spare time, Angela enjoys playing super competitive board games with her family, watching objectively bad disaster movies, and traveling to places with unique cuisine, sand or snow.
El Agathe Tembeng, MSN, APRN-BC
Previously, El Agathe was an APRN at My Home Doctor and a rounding nurse practitioner at Fish Memorial and Central Florida Regional Hospital in Sanford, Florida. An adjunct nursing instructor at Bamenda University of Science and Technology and fluent in the French language, she earned her master’s degree at South University in Savannah, Georgia.
Amanda Trespalacios, MSN, APRN, FNP-C, CCRN
Amanda earned her master’s of science in nursing at the University of South Florida, and she is a member of the American Association of Nurse Practitioners. In her previous position as a hospital liaison with Haven, she was a clinical liaison for patients, families and referral sources. She also provided education to patients and families as well as facilitated the admissions process.
More about Amanda: Amanda enjoys any activity that includes water and her pets. On weekends, she browses local farmers’ markets and teaching Sunday School at her local church.
Melissa Weaver, PA
Melissa Weaver is a board-certified physician assistant who joined Haven in 2020. She has a diverse educational background; she earned a Bachelor of Science in Elementary Education from the University of South Florida as well as a Master of Education in Educational Leadership from St. Leo University before venturing into the healthcare sector when she earned her Master of Physician Assistant Studies in 2015 from the University of Florida. In her capacity as Physician Assistant, she has served UF Health/Shands in neurovascular medicine and orthopaedic surgery. In addition to her current role at Haven, she is also employed by North Florida Regional Medical Center as on the critical care medicine and interventional neurology teams.