Our Primary Care Providers
Nicole Sanoba, PA-C
Ms. Sanoba graduated from Kent State University with her Bachelor of Science with a concentration in molecular and cellular biology. She then went on to receive her Master of Physician Assistant Studies from Mercyhurst University. Nicole is excited to be at Family Health Services and is accepting new patients at our Medical Center in Downtown Sandusky.
Nicole Fleming, APRN, FNP-BC
Ms. Fleming earned her Bachelor’s in Health Science and Bachelor’s in Nursing from Cleveland State University, and her Master of Science in Nursing – Family Nurse Practitioner from Chamberlain University. She has six years of experience as an Emergency Room nurse, one year as an ER assistant manager, and one year in the Post-Anesthesia Care Unit (PACU). In 2023, she was honored with the Daisy Award in recognition of her compassionate care. As a Family Nurse Practitioner, Ms. Fleming is qualified to care for patients across the lifespan. She is passionate about focusing on the foundations of health and treating disease at its root cause to promote long-term wellness.
Valerie Castillo, APRN, CNP-BC
Valerie started her career in 1991 as a State Tested Nursing Aid in long-term care. She advanced her nursing studies to include Licensed Practical Nursing in 1994, Registered Nursing in 2001, Bachelor’s in Nursing in 2010 and Master’s in Nursing with focus on family nurse practitioner in 2016.
Her care philosophy is patient-specific centered care. Valerie believes not one individual is identical and that every patient has different healthcare needs encompassed around his or her belief system.
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.
Hannah Schoen, APRN, FNP-BC
Ms. Schoen comes to Family Health Services as a graduate of Firelands School of Nursing with her Bachelor of Science from Bowling Green State University and her Master of Nursing from the University of Cincinnati. Though Ms. Schoen has spent most of her career in labor and delivery, she is excited to help FHS build a service line that focuses on women’s health. She is qualified to see patients across the lifespan and is accepting new patients at our Norwalk location.
Aaron Martinez, DO
Dr. Martinez is a Colorado native who graduated from Metropolitan State University of Denver with a Bachelor of Science in Chemistry. He previously worked in the field of veterinary medicine while completing his Master of Science in Biochemistry. He attended Midwestern University for medical school, and he completed his family medicine residency program in Sandusky at Firelands. Dr. Martinez is happy to call the area his new home and provides primary care to patients of all ages.
Jennifer Kearney, FNP-C
Ms. Kearney graduated with a Registered Nurse Diploma from Providence Hospital School of Nursing. She continued her education at Bowling Green State University earning a Bachelors of Science in Nursing. Finishing her education at Kaplan University, Ms. Kearney received a Masters of Science in Nursing and a Family Nurse Practitioner degree. While she has been practicing in the Sandusky area as a Nurse Practitioner since 2017, Ms. Kearney brings a total of 25 years of nursing experience. She has extensive experience managing bone health and is excited to provide senior care as a Geriatrician to our local seniors.
Nutrition Providers
Kendall Yuhas, MPH, RD, LD
Ms. Kendall graduated from Kent State University with a Bachelor of Science in Nutrition and then continued her education at Kent State University earning a Master of Public Health with a concentration in social and behavioral sciences. Kendall then went on to complete the requirements to become a Registered Dietitian and completed a yearlong dietetic internship with Sodexo with a focus in weight management. Kendall is happy to call the area her new home and looks forward to helping her patients make sustainable dietary changes that promote overall well-being.
Behavioral Health Providers
Joseph Knable, MSW, LSW
Mr. Knable graduated from Cedarville University with a Bachelor of Arts in Integrated Language Arts Education. He went on to receive his Master of Social Work from Case Western Reserve University and his certification as a Licensed Social Worker. Joseph specializes in child and adolescent mental health and trauma-informed therapy. He joined Family Health Services in 2025.
Emily Torrick, BSW, LSW
Mrs. Torrick graduated from Bowling Green State University with a BSSW in August 2025. She is continuing her education at Ohio State University for her Masters in Social Work. Mrs. Torrick brings years of healthcare experience with her from 16 years of service as an Air Force medic, as well as being a Licensed Practical Nurse. She is passionate in her belief that no one can ever be physically healthy if they are not emotionally healthy, and she looks forward to assisting all individuals to achieve the healthiest version of themselves.
Dameka McKinstry, MSW, LSW
Ms. McKinstry was born in Fremont Ohio. She attended University of Toledo for undergrad and then went on to attend Walden University where she received her master’s in social work. Dameka has lots of experience working with troubled youth in the foster care system as well as some experience with teens who were either on probation or incarcerated in juvenile jail. Ms. McKinstry is looking forward to working with all populations and will be providing services in the Hayes office location of Family Health Services
Kelly Wilhelm, MSW, LSW, CDCA
Ms. Wilhelm completed her undergraduate degree from Bowling Green State University and obtained her Master’s of Social Work from The Ohio State University. Kelly has experience in crisis response services, case management, family therapy, and individual counseling to children, teens, and adults. She recently obtained her certification as a certified trauma professional. Her passion is to serve those suffering with mental health issues while reducing barriers that they may face.
Jocelyn Wollenslegel, BSW, LSW
Ms. Wollenslegel graduated from Bowling Green State University in 2021 with a Bachelor of Science in Social Work and became a Licensed Social Worker. Ms. Wollenslegel provides counseling for children and adolescents at the FHS Edison School Clinic.
Joseph Veliz, MSW, LISW-S
Mr. Veliz graduated from Bowling Green State University and continued his education at Case Western Reserve University for his Master’s in Social Work. He has been licensed since 2005 with a focus in mental health and works with all ages using evidence based practices such as Cognitive Behavioral Therapy and Motivational Interviewing. Mr. Veliz also addresses social and family adjustments and mood disorders such as anxiety, depression, bipolar, and inattention. He has extensive training in working with individuals that have been diagnosed with Autism Spectrum Disorder.
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.
Kaeley Schonhardt, BSW, LSW
Ms. Schonhardt graduated from Bowling Green State University with a Bachelor of Science in Social Work, an Associates in Criminal Justice, and an Associates in Human Services. She continued on to become a Licensed Social Worker with experience in case management, and working with children and families. She is excited to provide counseling services in the Edison school-based clinics.
Anthony Schalk, MC, LPC, LCDC III
Mr. Schalk graduated from Kent State University with his bachelor’s degree in criminal justice in 2012 and from Walden University with his Masters in Clinical Counseling in 2021. Anthony is dual licensed having both his LPC, Licensed Practicing Counselor, and his LCDC III, Licensed Chemical Dependency Counselor III. Anthony has over 9 years of experience in community mental health working with children and adults with mental health and substance use concerns. Anthony utilizes Cognitive Behavioral Therapy and Motivational Interviewing in his therapy sessions. He currently provides counseling for youth and adults at the Sandusky location.
Teresa Puckrin, MSW, LSW
Ms. Puckrin graduated from Bowling Green State University in 2019 with a Bachelor of Science in Human Development and Family Studies with a minor in music. She continued her education at The Ohio State University earning her Master of Social Work in 2023 and became a Licensed Social Worker. She provides counseling at the Norwalk office and at the FHS Monroeville City Schools Clinic.
Mary Peters, DNP, APRN, PMHNP-BC, FNP-BC, Medical Director
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.
Leslie Neuberger, APRN, PMHNP-BC
Ms. Neuberger has lived in Norwalk most of her life. She started her career at FTMC here in Norwalk starting in Respiratory Therapy, then changing her profession to nursing where she graduated from LCCC obtaining her Associates Degree in Registered Nursing. Leslie went on to complete a Bachelor of Science Degree in Nursing from Chamberlain University. She then successfully completed her Master of Science in Nursing from Kent State University. Leslie is happy to return to Norwalk after practicing in Canton for the past couple of years and will be providing behavioral health diagnosis, treatment, and medication management, for adults, adolescents, and children in our Norwalk office. She is currently accepting new patients.
Tracey Hylton, MSN, APRN, FNP-C
Ms. Hylton is a board-certified Nurse Practitioner specializing in addiction medicine and mental health services. She obtained a Master’s Degree in Family Nurse Practitioner at Spring Arbor University and a post-master degree in Psychiatric Mental Health Nurse Practitioner at the University of Cincinnati. Ms. Hylton will be treating people 18 years and older with substance abuse disorders and dual diagnosis for mental health. She has over 20 years of nursing experience and 5 years as a Nurse Practitioner. Ms. Hylton is compassionate about providing quality care, valuing the importance of patient-centered care that focuses on the whole person. In her spare time, she enjoys hiking, kickboxing, and spending time with her family and friends.
Melissa Hollada, LPCC
Ms. Hollada graduated with a bachelor’s in science of psychology from University of Phoenix and completed a master’s in clinical counseling from Waldon University in 2016. She has been practicing counseling since as a licensed professional counselor, recently obtaining her LPCC. She is experienced in crisis, addiction, incarceration release back into the community, spirituality, problematic sexual behavior and trauma survivors, as well as EMDR, and personality disorders. Melissa is excited to join the team and work with new patients.
Christy Cox, APRN, PMHNP-BC
Ms. Cox 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.
Nicole Beck, BSW, LSW
Ms. Beck graduated with a Bachelor of Science in Social Work from Bowling Green State University and became a Licensed Social Worker in 2021. Nicole has experience in play therapy, addictions, case management, and providing individual counseling for children, teens, couples and adults. Nicole is eager to build relationships within the community and will be providing services in the Norwalk office.
Family Medicine Residency Physicians
Eric Mast, DO
Program Director
Paul Bruner, DO
Faculty
Kari Ketvertis, MD
Faculty
Matthew Braniecki, DO
Faculty
Adam Jenkins, DO
PGY4
Joe Parenteau, DO
PGY4
Kyle Denihan, DO
PGY3
Samantha Mason, DO
PGY3
Mitchell Rice, DO
PGY3
Kaitlyn Rizzo, DO
PGY3
Mark Khalil, MD
PGY2
Stanton Vincent, DO
PGY2
Frank Kickel, MD
PGY2
Rebecca Howard, MD
PGY2
Albert Aickareth, DO
PGY1
Josilyn Clark, DO
PGY1
Darcy Davis, DO
PGY1
Rebekah Farris, DO
PGY1
Simon Nadeau, DO
PGY1 Transitional Year
Joseph Patrick, DO
PGY1 Transitional Year
Lawrence Stolzenberg, DO
PGY1 Transitional Year
Nicholas Trivelas, DO
PGY1 Transitional Year
Clinical Staff
Brittany S.
Licensed Practical Nurse
Kacy S.
Front Desk Receptionist
Sha’Coreya Johnson
Front Desk Receptionist
Tiffany O.
Medical Assistant
Nakeydra C-J.
Front Desk Receptionist
Kim J.
Medical Assistant
Lillian P.
Front Desk Receptionist
Bethany B.
Medical Assistant
Fernando M.
Front Desk Receptionist
Amanda H.
Front Desk Receptionist
Tiffany M.
Licensed Practical Nurse
Alexis W.
Front Desk Receptionist
Tiffany W.
Medical Assistant
Siera C.
Front Desk Receptionist
Niesha W.
Front Desk Receptionist
Tracy W.
Front Desk Receptionist
Kimberly M.
Front Desk Receptionist
Rita C.
Front Desk Receptionist
Nyesha A.
Front Desk Receptionist
Paige F.
Call Center
Taylor F.
Call Center
Carly A.
Medical Assistant
Marsha W.
Medical Assistant
Laura M.
Medical Assistant
Sydney G.
Community Health Worker
Tessa W.
Chronic Care Manager
Sue W.
Clinical Manager
Sheila S.
Licensed Practical Nurse
Catherine Savage
Quality Specialist
Dental Providers & Staff
Joseph Rizk, DMD – Dental Director
Dr. Joseph 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
Dr. 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!
Jasmina Saric, DDS
Dr. Jasmina Saric, DDS, graduated from the School of Dental Medicine at the University of Sarajevo, Bosnia and Herzegovina in 2004. She came to the U.S. in December 2009 where she completed her National Board Dental Exam I and II. In 2013, she was accepted to the Advanced Education General Dentistry (AGED) program at NYU Langone in Flint, MI. Upon completing her AEGD, she stayed two additional years at the same FQHC to work as a dental provider. Dr. Saric has experience in restorative dentistry, endodontics, oral surgery, removable and fixed prosthodontics. She enjoys working in community health clinics and making a difference in public health.
Esther Yi, DMD
Dr. Yi received a Bachelor of Arts in Chemistry and Economics from Kalamazoo College and thereafter, obtained a Master of Science in Physiology from the University of Michigan. She has years of experience in the dental field as a dental assistant, oral pathologist assistant, and hygienist. Dr. Yi graduated as a dentist from Tufts University with a 4-year scholarship for the National Health Service Corps. She is dedicated in career focused on delivering compassionate care and promoting health equity.
Charlyn Ochs
Dental Assistant
Jacqueline L.
Front Desk Receptionist
Nevaeh K.
Dental Assistant
Emily D.
Dental Hygienist
Melissa C.
Front Desk Receptionist
Katrina H.
Dental Hygienist
Vanessa D.
Dental Office Supervisor
Kaytlyn H.
Dental Office Supervisor
Brianna B.
Dental Assistant
Heather J.
Lead Dental Assistant
Taylor K.
Dental Assistant
Julie M.
Lead Dental Assistant
Kim M.
Dental Assistant
Abigail S.
Dental Assistant
Skyla W.
Dental Front Desk Lead
Administrative Staff
Leadership
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.
Joseph Rizk, DMD – Dental Director
Dr. Joseph 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.
Mary Peters, DNP, APRN, PMHNP-BC, FNP-BC, Medical Director
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.