Meet Our Staff

Medical Providers

Andrea Bertke, MSN, FNP-C

Ms. Bertke graduated from The University of Toledo with a Bachelor of Science in Nursing. She then continued her education at Walden University, where she successfully earned a Master of Science in Nursing and her certification as a Family Nurse Practitioner. Ms. Bertke provides care for patients of all ages, and has been a Certified Nurse Practitioner at Family Health Services since 2015.

Tracy Byington, LISW-S

Tracy Byington, LISW returns to FHS December 2019. She brings over 25 years experience in a variety of community and mental health settings. Tracy graduated from BGSU with her undergrad and received her Masters of Social Work from the Ohio State University. Tracy provides a multi-dimensional approach to meet the needs of the individual. Her training includes Cognitive Behavioral Therapy, Family Informed, Mindfulness and Motivational Interviewing. Tracy is now seeing patients of all ages.

Christy Cox, APRN, PMHNP-BC

Christy graduated from Owens Community College with an Associates in Registered Nursing Technology. Christy went on to complete a Bachelor of Science in Nursing from the University of Phoenix. She then successfully completed her Post Masters Certificate in Psychiatry from the Northern Kentucky University. Christy provides behavioral health diagnosis, treatment, and medication management, for adults, adolescents, and children, in our Norwalk office.

Joshua Durkalski, LISW-S

Mr. Durkalski graduated from Cleveland State University with a Bachelor of Social Work. He continued his education at The University of Akron, graduating with his Master of Clinical Social Work. Mr. Durkalski is a Licensed Independent Social Worker with his Supervisor endorsement. He comes to us from the Cleveland area with six years of community mental health experience working with both children and adults.

Hannah Hansen, LISW

Hannah graduated from Cleveland State University with her Bachelor of Social Work in 2015 and continued her education at The Ohio State University earning her Master of Social Work in 2020. She obtained her independent licensure in 2022. Hannah has experience in community mental health and school – based counseling. She utilizes Cognitive Behavioral Therapy, behavior modification, and is trained in EMDR (Eye Movement Desensitization and Reprocessing Therapy). Hannah provides counseling for children and adults at the Norwalk office.

Heather Lambert, LSW

Ms. Lambert graduated from Ohio University with a Bachelor of Arts in Social Work and a minor in political science. She continued her education at Case Western Reserve University, graduating with a Master of Social Work, and became a Licensed Social Worker. Ms. Lambert provides counseling for children and adolescents at the FHS Edison School Clinic.

Renee Leber, MSSA, LISW-S, Lead Behavioral Health Clinical Therapist

Ms. Leber graduated from Defiance College and continued her education at Case Western Reserve University for her Master’s in Social Work. She has been licensed since 2007 with a focus in abuse and trauma working with all ages using evidence based practices such as Trauma Focused Cognitive Behavioral Therapy (TF-CBT) with children and Eye Movement Desensitization & Reprocessing (EMDR) with children and adults. Ms. Leber also addresses social and family adjustments and mood disorders such as anxiety, depression, bipolar, and inattention. She is very passionate about empowering those around her to see their own inner strength.

Leslie Johnson, MS, RD, LD, Food is Medicine Program Director

Ms. Johnson graduated from Transylvania University in Lexington, KY, with her Bachelor of Arts in Nutrition and Sustainability. She continued her education at the Friedman School of Nutrition Science and Policy at Tufts University, graduating with her Master of Science in Nutrition Communications, Intervention, and Behavior Change. Leslie then went on to complete the requirements to become a Registered Dietitian and completed a year of supervised practice at Duke University Hospital. She is passionate about all people having access to fresh, nutritious food that can help keep their bodies healthy and is excited to provide nutrition counseling for patients at FHS.

Katelyn Miller, MSSW, LISW-S

Ms. Miller graduated from Bluffton University and continued her education at the University of Tennessee Knoxville where she graduated with a Master of Science in Social Work. She has been a licensed social worker since 2014, obtained her independent licensure in 2018, and her supervisor endorsement in 2019. Katelyn has a variety of experience from mental health counseling, medical social work, hospice/grief, and child welfare. Her training as a therapist includes Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, Mindfulness, Motivational Interviewing, Trauma-Informed, and Strength-Based counseling. She provides counseling for children and adolescents within the FHS Margaretta School Clinic.

Alexa Murray, APRN, FNP-C

Ms. Murray is a Sandusky native who graduated from The Ohio State University with a Bachelor of Science in Neuroscience and soon after became a Registered Nurse, working as a Medical/Surgical RN at the OSU Wexner Medical Center in Columbus. Continuing her education while working at OSU, she went on to receive her Master of Science in Nursing and certification as a Family Nurse Practitioner. She then practiced as an NP with the OSUWMC Department of Neurology before returning home to Sandusky. Alexa is excited to be living near family and on the North Coast again, providing high-quality primary care to patients of all ages with Family Health Services.

Katherine Myerholtz, MSN, FNP-C

Ms. Myerholtz graduated from Malone University with a Bachelor of Science in Nursing. She continued her education at The University of Toledo, graduating with her Master of Science in Nursing and successfully received her certification as a Family Nurse Practitioner. Ms. Myerholtz has been a Certified Family Nurse Practitioner at Family Health Services since 2013, and provides care to patients of all ages. Additionally she serves as our Associate Medical Director.

Kimberly Ollom, LISW-S

Ms. Ollom graduated with a Bachelor of Arts from Bowling Green State University. She then completed her Master of Social Work from The Ohio State University and is a Licensed Independent Social Worker-Supervisory. Ms. Ollom provides counseling services for all ages at our Norwalk office.

Mary Peters, DNP, APRN, PMHNP-BC, FNP-BC

Ms. Peters obtained her Registered Nurse diploma from Providence Hospital, a Bachelor of Science in Nursing from College of Mount Saint Joseph, a Master’s in Nursing and Family Nurse Practitioner degree through the University of Toledo, a Doctor of Nursing through the University of Toledo and Wright State University Consortium, and her Psychiatric Mental Health Nurse Practitioner certification through the University of Cincinnati. Mary looks forward to serving her patients and the community.

James Preston, DO

Dr. Preston graduated from Indiana State University with a Bachelor of Science. He went on to attend Kansas City College of Osteopathic Medicine. He is Certified in Family Practice and Hospice and Palliative Medicine. Dr. Preston can treat patients of all ages and is accepting new patients at our Norwalk office.

Jennifer Richardson, MSN, CNP

Ms. Richardson graduated from Ohio University with her Bachelor of Science in Nursing. She then went on to further her education at University of Cincinnati where she obtained her Family Nurse Practitioner certification and Master of Science in Nursing. Jennifer joins Family Health Services and is able to provide care for patients of all ages.

Laura Spasic, MSN, AGNP-C

Ms. Spasic graduated from The University of Akron with a Bachelor of Science in Nursing. She then went on to successfully receive her Master of Science in Nursing and her certification as an Adult Practitioner from The University of Akron. Laura specializes in adult medicine, and joined Family Health Services in 2017.

Sophia Seitz, MSW, LSW

Ms. Seitz graduated from Bowling Green State University with her Bachelor’s in Human Development and Family Studies with a minor in psychology. She continued her education at Bowling Green State University and received her Master’s in Social Work. She provides counseling for children and adolescents at the FHS Sandusky School Clinic.

Julie Shedron, LISW

Ms. Shedron earned a Bachelor’s in Psychology and Sociology from BGSU in 2003. She then earned her Master of Social Work from the University of Illinois at Urbana-Champaign in 2004, with a specialization in community mental health. She is a licensed independent social worker, certified in DBT – dialectical behavior therapy. DBT is a therapy focused on the development of skills to improve how you communicate, manage your emotions & stress and using mindfulness to cope with mental health and addiction symptoms. Julie strives to help adolescents and adults improve their self-worth and confidence to problem solve and achieve their life goals.

Hannah Skladan, MSN, APRN, FNP-C

Ms. Skladan graduated with her Associate Degree in Nursing from Lorain County Community College in 2014 and then went on to pursue her Bachelor of Science in Nursing from Ohio University. She graduated with her Master of Science in Nursing degree from Chamberlain University in 2020 and then successfully obtained her Family Nurse Practitioner certification. Hannah worked as a Registered Nurse at Mercy Hospital in Lorain for over six years on the intermediate care/cardiac unit. She began her Nurse Practitioner career with Family Health Services in September of 2021. She is excited to begin working at FHS’s new Norwalk office where she will be caring for patients of all ages.

Cheri Slingwine, MSN, APRN, PMHNP-BC

Ms. Slingwine received her Registered Nurse diploma from Providence Hospital School of Nursing in 1997. She received her Master of Science in Nursing with a specialty in Nursing Education from Walden University. Cheri then continued her education by graduating from Maryville University with her Post Masters Certificate as a Psychiatric Mental Health Nurse Practitioner. Cheri is accepting new patients at our Norwalk office.

Kip Soviak, RN, APRN, FNP-C

Mr. Soviak obtained his RN from Firelands Regional Medical Center School of Nursing. He holds an Associate of Science in Nursing from Bowling Green State University, a Bachelor of Science in Nursing from The Ohio State University, and his Master of Nursing in Family Nurse Practitioner program from Chamberlain University. Kip is currently working on his Post Masters Psychiatric Mental Health Nurse Practitioner Certification at Rocky Mountain University of Health Professions. Kip looks forward to working with the community he grew up in.

Erin Thompson, APRN, FNP-BC, PMHNP-BC

Ms. Thompson graduated from Kent State University with a Bachelor of Science in Nursing. She receive her Master of Science in Nursing and Family Nurse Practitioner Certification from Kaplan University. Erin went on to complete her Post Masters Certificate in Psychiatry from the University of Cincinnati. Erin can treat patients of all ages and joined Family Health Services in 2020.

Elizabeth Takacs, MSW, LSW

Ms. Takacs graduated from Ashland University with her Bachelor of Science in Psychology. She then obtained her Master of Social Work from The Ohio State University. As a Licensed Social Worker, Liz provides counseling services within Townsend Community School. She has lived in the Sandusky area her entire life and is looking forward to the chance to give back to her community.

Residency Physicians

We participate as a clinical training site with Firelands Regional Medical Center’s graduate medical education residents.

Eric Mast, DO
Program Director

Paul Bruner, DO
Faculty

Kari Ketvertis, MD
Faculty

Matthew Braniecki, DO
Faculty

Emily Cox, DO

Christian Lowrie, DO

Sohail Merchant, MD

Alexandra Prosser, MD

Adam Jenkins, DO

Melissa Malek, DO

Joe Parenteau, DO

Daniel Truitt, DO

Kyle Denihan, DO

Samantha Mason, DO

Mitchell Rice, DO

Kaitlyn Rizzo, DO

NIna Grillis, DO

Rebecca Howard, MD

Nyokabi Kamau, DO

Kirsten Ponsart, DO

For more information on FRMC Medical Education Faculty, visit here.

For more information on FRMC Medical Education Residents, visit here.

Clinical Staff

Nyesha A.
Medical Receptionist

Leanne B.
Medical Assistant

Kathy B.
Medical Receptionist

Kayla B.
Medical Assistant

Shelley B.
Medical Assistant

Shaiyen C.
Medical Receptionist

Tisha C.
Medical Assistant

Bridgette D.
Medical Receptionist

Laura F.
Medical Receptionist

Dominique G.
Medical Receptionist

Rebecca G.
Medical Receptionist

Te’Qeira G.
LPN

Tiffany G.
Medical Assistant

Christine G.
Medical Assistant

Jaida H.
Medical Assistant

Laura H.
PCMH/Chronic Care Coordinator

Lisa J.
LPN

Taylr J.
Clinical Administrative Assistant

Heather L.
Medical Assistant

Jordan L.
Medical Receptionist

Alaina K.
Medical Assistant

Theresa K.
LPN

Tiffany K.
Medical Assistant

Mikayla M.
Medical Assistant

Shelly M.
BH Reception/Nursing

Kylee P.
Medical Assistant

Sheri R.
LPN

Kaitlyn R.
Medical Assistant

Brisa S.
Medical Receptionist

Monica S.
Medical Receptionist

Paula S.
Medical Assistant

Sheila S.
LPN

Jessica T.
LPN

Ciera W.
Referral Assistant

Sue W.
LPN

Dental Staff

Joseph Rizk, DMD – Dental Director

Dr. Rizk completed his Bachelor of Biological Sciences from Wayne State University and received his Master of Basic Medical Sciences from Wayne State University. Dr. Rizk went on to complete his Doctor of Medicine in Dentistry from Temple Kornberg School of Dentistry. He has over 10 years of experience performing operative, oral surgery, endodontics, removable and fixed dental procedures. He has extensive knowledge and experience of dental clinic operations, maintenance, payroll, budgeting, and recruiting. Dr. Rizk successfully provided complete direction and oversight of the entirety of Mary’s Center Dental Department in Washington D.C. Additionally, Dr. Rizk serves as FHS’ Dental Director.

Fiorella Lamas Castillo, DDS

Fiorella Lamas Castillo, DDS, received her Bachelor of Stomatology from Cayetano Heredia Peruvian University. Upon completing dental school, she continued her training at the same university in a Master of Stomatology, a diploma in Periodontics, and a Specialty in Periodontics and Implants. She attended the University of Connecticut School of Dental Medicine in the Advanced Education in General Dentistry (AEGD) residency from 2019 to 2021. Dr. Lamas Castillo is a Board-Certified dentist, with experience in restorative, cosmetic, removable & fixed dental procedures, and interests in surgical and regenerative periodontal procedure. Dr. Lamas Castillo speaks fluent English and Spanish and sees patients at our Norwalk location!

Agnish Gholekar, DDS

Dr. Agnish Gholekar, DDS, completed his Bachelor of Dental Surgery from Pravara Institute of Medical Sciences, and received his Advanced Education in General Dentistry (AEGD) from the University of Connecticut School of Dental Medicine. He has experience performing restorative, operative, oral surgery, endodontics, removable & fixed dental procedures. Dr. Gholekar is a Board-Certified dentist and sees patients at our Norwalk location!

Nicole C.
Dental Assistant

Jaely C.
Dental Assistant

Emily D.
Dental Hygienist

Vanessa D.
Dental Assistant

Kaytlyn H.
Dental Assistant

Katrina H.
Dental Hygienist

Shelby H.
Dental Receptionist

Alexandra I.
Dental Assistant

Heather J.
Dental Assistant

Jordynn L.
Dental Receptionist

Julie M.
Dental Assistant

Kim M.
Dental Assistant

MacKenzie R.
Dental Receptionist

Emily S.
Dental Receptionist

Ashleigh W.
Dental Receptionist

Administrative Staff

Mark Betzenheimer
IT Administrator
markb@familyhs.org

MarLana Binkley
Controller
marlanab@familyhs.org

Ya’Shica Brown
Outreach & Enrollment
yashicab@familyhs.org

MacKenzie Buck
Clinical Site Director of Huron County
mbuck@familyhs.org

Lydia Brennan
Clinical Site Director of Erie County
lydiab@familyhs.org

Nick Buchanan
Office Supervisor/Financial Counselor
nbuchanan@familyhs.org

Sarah Hamad
Clinical Site Specialist
sarahb@familyhs.org

Peter Rauner
Director of Community Development
prauner@familyhs.org

Brock Ricci
IT and eCW Administrator
bricci@familyhs.org

Nicole Schafer
Executive Assistant
nicoles@familyhs.org

Emily Windisch
Human Resources Manager
ewindwisch@familyhs.org

Alexis Wobser
Grants, Marketing & Communications
awobser@familyhs.org

Executive Officers

David P. Tatro, Sr., MBA, FABC – CEO/CFO

Mr. Tatro comes to Sandusky, Ohio with 30 years’ experience in healthcare management. A native of Western Massachusetts, Mr. Tatro brings a strong background in organizational leadership, strategic planning and revenue enhancement through community partnerships. A former Chief Operations Officer for the last 10 years at Mary’s Center in Washington, D.C., Mr. Tatro grew the company from $8 million in 2009 to over $65 million in 2018. Mr. Tatro was also the founder and Chief Financial Officer for the Capital Clinical Integrated Network in Washington, D.C. which was comprised of multiple FQHC’s and Managed Care Organizations. Mr. Tatro is a graduate of the University of Massachusetts in Amherst, MA and received his MBA from Rivier College in Nashua, NH. He is a Fellow of the Advisory Board Company in Washington, D.C. Additionally, he is an active member of the Capital Chapter of the Nam Knights and a member of Freemasonry, of which both groups support veterans and philanthropically assist local communities. He and his wife Adele will be relocating to the Sandusky area. They have two adult children, Erika Rose and David Jr.

Katherine Myerholtz, MSN, FNP-C – Associate Medical Director

Ms. Myerholtz graduated from Malone University with a Bachelor of Science in Nursing. She then continued her education at The University of Toledo, graduating with her Master of Science in Nursing and successfully receiving her certification as a Family Nurse Practitioner. Ms. Myerholtz has been a Certified Family Nurse Practitioner at Family Health Services for 4 years providing care to patients of all ages. Additionally she serves as our Associate Medical Director.