Meet the Team

Tammy DeGregorio, DMD, NMD, IBDM, FAAO, AIAOMT


Voted by her peers as Pittsburgh’s Top Dentist 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 and 2016

Dr. Tammy DeGregorio specializes in holistic, biological dentistry and in CEREC 3D CAD/CAM dentistry, designing and fabricating full porcelain crowns, inlays and onlays – all completed in one office visit.
Dr. DeGregorio is an accredited member of the International Academy of Oral Medicine and Toxicology (AIAOMT), having completed extensive training on the safe removal of amalgam/mercury fillings, and is a past President. She is a graduate of the American College of Integrative Medicine and Dentistry (ACIMD) and has received board certification in Integrative Biologic Dental Medicine (IBDM) and board certification from the American Naturopathic Medical Certification Board (NMD). She has earned fellowship with the American Academy of Ozonotherapy (FAAO) and is a member of the Academy of General Dentistry (AGD), the American Academy for Oral Systemic Health (AAOSH), the Holistic Dental Association (HDA), the American Functional Medicine Association and is a charter member of The International Association of Mercury Safe Dentists.
Dr. DeGregorio is a graduate of the University of Pittsburgh School of Dental Medicine and established her practice in Shadyside in 1993. She and her husband, John enjoy travel and raising their two teenage sons.

Michele Rich, DMD, AIAOMT

Dr-Michele-RichDr. Michele Rich has completed extensive training at the Las Vegas Institute (LVI) in Advanced Esthetics and Endodontics and displays a unique passion for making smiles beautiful! As well, she specializes in CEREC 3D CAD/CAM dentistry, designing and fabricating full porcelain crowns, inlays and onlays - all completed in one office visit. She has earned her accreditation with the International Academy of Oral Medicine and Toxicology (IAOMT).
Dr. Rich is a proud and active member of the Army Reserves Dental Corps. As a Major in the United States Army, Michele has recently served a tour in Iraq and has the honor and privilege to take care of our soldiers' dental needs all over the world. She is a graduate of the University of Pittsburgh School of Dental Medicine.

Alexis Pelekanos DDS, AIAOMT


Dr. Alexis Pelekanos is proud to be a skilled and competent dentist from the highly esteemed University of Southern California. She graduated magna cum laude at USC, with a bachelor’s in Psychology, a minor in Natural Science, and a doctorate in Dental Surgery. Dr. Pelekanos has earned her accreditation with the International Academy of Oral Medicine and Toxicology (IAOMT). The professional associations she is affiliated with include the American Dental Association, Phi Beta Kappa and Alpha Lambda Dental. She is also featured in Maniac Magazine, with appearances in the “Women of Power” and “Pittsburgh Icons” issue.

She’s a Pittsburgh native and is as personable, outgoing and compassionate as they come. She will offer you state-of-the-art dentistry in a relaxed, caring atmosphere.

In her free time, Dr. Pelekanos likes to spend time with her husband, family, and girlfriends. She loves to exercise, sing, dance, and root for her hometown Steelers, Pirates and Penguins. She cannot live without chocolate, a good cup of coffee, great Greek food and dental floss.

“My training was rigorous and very high-tech, and I enjoy esthetic and restorative dentistry. My philosophy is to treat my patients like my own family. I am friendly, gentle, skilled, and extremely passionate about my work. I will offer you the opportunity to smile with pride and confidence.”

Dr. Justin Ponquinette, DMD, NMD, IBDM


Oral and maxillofacial surgery requires additional years of hospital-based surgical and anesthesia training after graduation from dental school. As an oral and maxillofacial surgeon, Dr. Ponquinette manages a wide variety of problems relating to the mouth, teeth and facial regions. Dr. Ponquinette practices the full scope of oral and maxillofacial surgery with expertise ranging from dental implant surgery and wisdom tooth removal to TMJ therapy and corrective jaw surgery. This includes techniques designed to rebuild bone structure with minimal surgical intervention and optimal patient comfort.  He also treats facial pain, facial injuries, and fractures.

His unique training and degree in Integrative Biological Dental Medicine allow Dr. Ponquinette to treat oral surgical issues with respect to their long term effects on the whole body.


Sue Kislak, RN, MSN, Clinical Director

Susan-Kislak,-RN,-MSNSue joined the practice after receiving her master’s degree in nursing from Carlow University. Sue utilizes her extensive experience in nursing to manage various therapies and provide health and wellness screenings for our patients. Sue, and her husband Troy, live in Monroeville with their two golden retrievers and are avid Steelers fans!

Ashley, Dental Assistant

AshleyAshley is our office superstar assistant! She has been dental assisting since high school. She is very creative and crafty and loves the artistic aspect of dentistry! She says it is hands on fun where she gets to meet nice and interesting people every day.

Nancy, Front Desk Coordinator

Nancy BashNancy joined our practice after working for many years in the dental field. She enjoys assisting patients in acquiring healthy smiles by providing information and through a positive experience here in the office. Nancy enjoys music, creative art projects and travel. She lives in White Oak with her husband, David. They love spending time with three daughters and their families.

Maxwell, Front Office Coordinator Assistant

Maxwell Maxwell is our assistant to the front office coordinator. He belongs to the University of Pitt’s Formula Society of Automotive Engineers and is the Finance Team Leader.