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Kettering Health (ketteringhealth.org)
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Leadership and Faculty

We are fortunate to have strong physician champions who are leading this program. They represent more than 50 years of combined real-world experience that provides a strong clinical base from which to teach.

Supporting them is a passionate physician faculty who are dedicated to help our residents leverage their passion for family medicine.

James M. Tytko, MD, Program Director

Welcome to the Kettering Health Network Family Medicine Residency at Soin! Our program has been developed to train companionate, competent family practitioners with superior clinical abilities.

The residency is unopposed and located in the new, state of the art hospital, Soin Medical Center. This is a 157 bed, acute care hospital built in 2012, located in Beavercreek, Ohio, a beautiful suburb of Dayton, Ohio.

The family practice center has been completely designed and renovated to optimize outpatient family medicine training. It will house 24 exam rooms, procedure rooms, a lounge, a library, and a conference room. It is located in a stand-alone building approximately one mile from the hospital.

Although the residency is still fairly new, the faculty has multiple years of experience in teaching family practice residents.

As your director, I guarantee that your educational experience will be rewarding and comprehensive.

I have been involved in teaching residents since 1983, while maintaining a full family practice office. I am also a director of a primary care sports medical fellowship that has graduated 34 fellows through the years.

The volunteer faculty at Soin is extremely enthusiastic about training new residents.

Please don't hesitate to contact me at

Thank you for your interest.


James M. Tytko, MD, FAAFP
Program Director
Family Medicine Residency
Soin Medical Center


Anna Murley Squibb, MD, Associate Program Director

The Family Medicine Residency here at Soin Medical Center is committed to promoting an environment of educational excellence for the next generation of patient centered, compassionate family physicians who will meet the needs of their community. As a native of Dayton, Ohio I personally am invested in the community of patients we serve and developing residents who will be a part of the future of family medicine, here in Ohio and in your own future communities.

Having trained at an unopposed community hospital, I recognize the benefits of being able to develop your skills in residency and focus the educational experience to meet your personal career goals. Our faculty at Soin have a breadth of practice experiences that create a well-rounded residency experience. Personally, I practice full spectrum family medicine with particular interests in hospital medical care, transitions of care, substance use disorders, population health and women's health including obstetrical care. Additionally, I have seen the benefits of simulation and alternative teaching methods in the inpatient and obstetrical setting and look forward to utilizing multiple avenues to provide the needed educational opportunities. As a Graduate Medical Education faculty member for my entire career, I greatly enjoy working with students and residents to meet your educational, career and personal needs. Kettering Health Network has a history of excellence in Graduate Medical Education and we are excited to be a part of the team with our Family Medicine Residency.

Anna Murley Squibb, MD
Associate Program Director
Soin Family Medicine Residency
Kettering Health



J. Wes Halderman, MD, Associate Program Director

As associate program director and site director of our rural continuity clinic, I appreciate your interest in our growing program and specifically in the recently-started Rural Pathway. The Jamestown Health Center, a Medicare-certified Rural Health Clinic (RHC), is committed to meeting the needs of our rural community by training excellent family physicians who will provide compassionate, evidence based, comprehensive care. They will specifically learn to identify the needs of the underserved and marginalized in our community, have the skills to assess the needs of a community, take a leadership role in developing medical outreach, and to provide best practice medical care within a rural community clinic framework.

Growing up on a family farm in a nearby rural community in the Miami Valley, I feel most at home when taking care of patients from rural and small-town Ohio. Practicing for 8 years with the same physician group in Jamestown, I enjoy caring for patients of all ages and have specific interest in point-of-care ultrasound, concussion care, preventative medicine, and pediatric/newborn care. Having trained at a similar unopposed, "rural-facing" community hospital-based program, I recognize the benefits of being able to tailor your educational experience to meet your personal career goals. With a combined 75+ years of clinical experience, our physician group will be there to support you along the way.

I believe strongly that you would benefit from the training we offer here at Soin, and more specifically at the Jamestown site. It would be a privilege to work alongside you and share in the process of lifelong learning together as we care for our best teachers - our wonderful patients!

J. Wes Halderman, MD
Associate Program Director/Rural Site Director
Soin Family Medicine Residency
Kettering Health


Core Faculty

James Tytko, MD
James Tytko, MD
FM/Sports Med

Anna Squibb, MD
Anna Squibb, MD
Full Spectrum FM

Laura Chambers-Kersh, MD
Laura Chambers-Kersh, MD
Full Spectrum FM

Jonathan Gaskill, MD
Jonathan Gaskill, MD
FM

J. Wesley Halderman, MD
J. Wesley Halderman, MD
FM

Isaac Koh, MD
Isaac Koh, MD
FM

Courtney Stroble, MD
Courtney Stroble, MD
FM

Rebecca Yeager, MD
Rebecca Yeager, MD
FM


Clinical Site Directors/Preceptors

Ryan Foster, MD
Ryan Foster, MD
FM/Sports Med

Crystal Hill, MD
Crystal Hill, MD
Neonatology

Kali Hollingsworth, DO
Kali Hollingsworth, DO
FM/Sports Med

Christopher Holloway, MD
Christopher Holloway, MD
Family Medicine

Isaac Humphrey, MD
Isaac Humphrey, MD
IM

Daniel Pearson, MD
Daniel Pearson, MD
ICU

Cherish Prutzman, MD
Cherish Prutzman, MD
Geriatrics

Michael Timpone, MD
Michael Timpone, MD
FM

Steven Tomlinson, MD
Steven Tomlinson, MD
Family Medicine

Lawrence Udom, MD
Lawrence Udom, MD
FM/Psychiatry

Lisa Vantrease, MD
Lisa Vantrease, MD
FM

Gordon Walbroehl, MD
Gordon Walbroehl, MD
FM

Lindsay Wardle, DO
Lindsay Wardle, DO
OB/GYN