Medical Associates of Cambridge

01/28/2026

01/26/2026

As Dr. Joe would say, "Let's go coasting!"

Our clinic will be closed Monday 1.26 due to weather and road conditions. For any urgent issues, please call our main number to talk our on call doctor.

09/26/2025

Learn how Continuous Glucose Monitoring (CGM) can help control your blood sugar. A free DEXCOM 7 Sensor will be available to participants. Must have a smart phone to download the app for the sensor.
Location: Medical Associates
Date: Wednesday, November 5, 2025
Time: 10am
Seating is limited, so please register by calling or texting Paula, 740.260.6629.

08/06/2025

Thanks to our MAC team for coming out and dunking our Doc to support Alzheimer's research! We were happy to support our partners at agilon health/Senior Health Connect at this fun event. Kudos to Kayla King for organizing an outstanding event.

07/28/2025

Thanks to the MAC team that came out to support our friends at Hospice of Guernsey for the Flamingo 5k. Honored to take home the award for most participants, two years in a row. Great job Team!

07/23/2025

Please help us welcome Dr. Dan to our team!

Dan Williamson, D.O. is a specialist in Family Medicine who will join Medical Associates in August, 2025. He earned his undergraduate degree in Biology from West Virginia University and attended the same school for a Masters in Neuroscience. He completed Medical School at the West Virginia School of Osteopathic Medicine. He completed his residency at the O’Bleness Family Medicine Residency program in Athens, Ohio, and completed his final year as Chief Resident. He is additionally trained in Osteopathic Manipulative Medicine which allows him to treat a variety of health conditions with hands-on techniques. He feels privileged to care for patients of all ages and backgrounds. He is a member of the American Osteopathic Association and Ohio Osteopathic Association House of Delegates. In his downtime, he enjoys reading, traveling, and spending time with his wife, Julianne, and newborn son, Ezra.

To be established with Dr. Williamson as your primary care physician, please call our office, 740-439-3515.

Welcome to Cambridge, Dr. Dan and family!

06/13/2025

We are excited to welcome Dr. Holly Overmiller to join our team! Dr. Overmiller graduated with her Bachelor of Science (BS) degree cm laude from Concord University. She then went to West Virginia School of Osteopathic Medicine and obtained her D.O. degree. She completed her Family Practice Medicine residency at Adena Health System. Dr. Overmiller is board certified in Family Medicine and is a member of the AOA, AAFP, ACOFP, and AAO. When she is not at work, Dr. Overmiller enjoys spending time with her husband, kids, and dogs.

She welcomes patients of all ages to her practice, from pediatrics through geriatric care. For those interested in establishing primary care with Dr. Overmiller, please call our office, 740-439-3515.

05/30/2025

Help us welcome Garrett to our Team!

Garrett Kellogg, PA-C is an NCCPA board certified Physician Assistant. He earned his Bachelors of Science in Exercise Science with summa cm laude honors at The Ohio State University. After graduation he attended Marietta College obtaining his Masters of Science in Physician Assistant Studies. Garrett completed his clinical training in Pediatrics at Medical Associates of Cambridge, in addition to rotations in Emergency Medicine, Family Medicine, General Surgery, Internal Medicine, Orthopedics, Cardiology, Psychiatry, and Obstetrics and Gynecology. He started his career in Cardiology in Columbus, OH where he provided both inpatient and outpatient cardiovascular care. He is grateful for the opportunity to join Medical Associates and provide exceptional care for the patients of the community and surrounding area.

05/21/2025

Though there is much roadwork around us, our office remains OPEN as usual today. For today and tomorrow, please access our main/front parking lot via Edgeworth Ave to Greenacre Drive. Access from Clark St directly to Maple Drive is expected to be closed today and tomorrow. Thanks for your patience.

05/19/2025

03/21/2025

New dress code. Mario is not so sure…