Our Dentists
Dr. John Eberz
Dr. John Eberz grew up in Western New York. He attended John Carroll University in Cleveland, graduating with a Bachelor’s Degree in Biology. Dr. Eberz then returned home to attend SUNY at Buffalo School of Dental Medicine, graduating in 2003. He continued his education at Strong Memorial Hospital in Rochester and completed his Residency in 2004. He started Sheridan Family Dentistry with Dr. Donahue in January 2012.
Dr. Eberz has a strong interest in advanced dental technology. Sheridan Family Dentistry is equipped with modern, state-of-the-art tools, equipment, and technology. The office utilizes CAD/CAM technology, digital scanners, digital x-rays, 3D (CBCT) scan, dental lasers, and so much more. Dr. Eberz performs cosmetic, general, and family dentistry. The CEREC (CAD/CAM) allows for single-appointment tooth restoration with crowns. Surgically guided implants combine 3D imaging (CBCT) with virtually replaced teeth using a CEREC machine. This allows for faster, less invasive, and more accurate placement of implants. The advanced technology coupled with skilled staff offers the best treatment and results for our patients.
Dr. Eberz is a member of a collaborative dental community on CDOCS, the American Dental Association, the Eighth District Dental Society, and the New York State Dental Association. He has also spent time on the Alumni Association Board as well as the SUNY at Buffalo School of Dental Medicine Board.
Dr. Eberz enjoys golf, skiing, and rooting on the Bills and Sabres. He loves spending time with his wife Melissa, daughter Grace, son Samuel, and his Jack Russell Terriers, Duke and Duchess.
Dr. Tyler Ferguson
Dr. Ferguson performs all forms of general dentistry including CAD/CAM crowns, implants, and clear aligner orthodontics, with a strong interest in cosmetic dentistry. He loves restoring the smiles of his patients and strives to make every appointment comfortable and enjoyable. He is a member of the American Dental Association, New York State Dental Association, and Eighth District Dental Society. Dr. Ferguson continuously seeks out training and professional development opportunities to stay on top of the latest technologies.
On the weekends, Dr. Ferguson trades in his white coat for a box of diapers. Parents to four-year-old twins, Eloise and George, and newborn, Harold. He and his wife Christina enjoy family time, bike rides, free time when they can find it, and rooting for the Bills and Sabres.
Dr. Mark Donahue
Dr. Mark Donahue grew up in Ilion, New York. After receiving his Bachelor’s degree from St. Lawrence University, He decided to make the drive to Buffalo, NY to attend SUNY at Buffalo School of Dental Medicine, graduating in 2003. He continued his education by doing his Residency at the VA Hospital right here in Buffalo NY in 2004.
After working for a colleague, he started Sheridan Family Dentistry in 2012 with Dr. John Eberz.
Dr. Donahue has a passion for advanced dental technology. He has loved helping people to put their best smile forward for the past 20 years. His dedication to patient care shines through in his thoroughness in dental work and he hopes to encourage healthy smiles in all of his patients. He performs procedures such as fillings, extractions, implants, CAD/CAM crowns, and permanently restoring teeth with artificial substitutes such as crowns, bridges, inlays, onlays, and veneers along with SureSmile Aligners.
Dr. Donahue is a member of the 8th District Dental Society, Twin City Dental Society, NYS Dental Association, and the American Dental Association. When he is not in the office, Dr. Donahue enjoys spending time with his wife Mary, and their 5 children. He is very involved in all of his kids’ sporting events and has a passion for the outdoors. Go Bills!
Dr. Danielle O’Connell
Dr. O’Connell strives to make her patients’ experience here as pain-free and comfortable as possible. She has covered all different sides of dental, from routine work to cosmetic dentistry. She has successfully completed full mouth restorations to Dental Implants.
Dr. O’Connell also does our SureSmile Aligners in office. She wants all her patients to feel like they left fully knowing what treatment was done and why.
When she is not taking care of her patients, Dr. O’Connell and her husband Mike are enjoying every second of their 9-month-old son Harrison and Australian cattle/shepherd Finn. They enjoy family activities, taking walks, “glamping,” and being in the moment for every new experience now as a family of four.
Dr. Larry Whelan
Dr. Larry Whelan is a hometown guy, growing up right here In Tonawanda, NY.
He joined Sheridan Family Dentistry in June 2012 after owning his own practice for 29 years! After graduating with his bachelor’s in Biology, he continued his schooling graduating from SUNY Buffalo in 1982. He went on to do his residency in 1983 at Loma Linda in California.
Dr. Whelan has been practicing in the Ken-Ton area for 41 years. Over the years he has developed a passion for building a relationship and connection with his patients. He has seen it all in the dentistry field.
Dr. Whelan Loves to travel and see the world. He has visited over 40 countries. He finds immense joy and fulfillment in connecting with nature and experiencing its beauty firsthand. You can either find him on the ski slopes or hiking trails. Like a lot of us, he is a big Buffalo sports guy who enjoys watching the Sabres and Bills.
Our Hygienists
Heather
Korri
Dorothy
Katie
