Montclair Dental | Dr. Arthur Yeh & Associates | Team

Meet the Team

Dr. Arthur Yeh

Dr. Yeh was born in Buffalo, New York and lived there for two years before his family moved to New Jersey. He would go on to attend Rutgers University where he received a B.S. in Cell Biology & Neuroscience as well as a B.A. in Communication.

He continued to pursue his interest in the sciences at Rutgers and earned his M.S. in Cell Biology where he was one of the leading authors in a research paper in Cancer Letters.

It was during these years that he developed his passion for dentistry, and ended up attending and graduating from the NYU College of Dentistry with his D.D.S. degree. During his time at NYU, he was a member of an honors program that provided dental care to those less fortunate at a local health center and dental clinic.

He also received the Dr. Arthur N. Caplin Award for demonstrating excellence in removable prosthodontics. Upon his graduation at NYU, he pursued a General Practice Residency at Flushing Hospital Medical Center in Flushing, NY to further advance his skills as a clinician. He is consistently up to date with dental literature and has taken numerous hours in continuing education courses all around the country, most notably at Spear Education in Scottsdale, Arizona. Dr. Yeh is also an active member in the Essex County Dental Society, New Jersey Dental Association, American Dental Association, Academy of General Dentistry, and American Academy of Cosmetic Dentistry.

Dr. Yeh currently resides in Livingston with his wife, two daughters, and son. He enjoys playing sports, snowboarding, forcibly watching reality shows with his wife, and most of all, spending time with his children. What he loves the most about being a dentist is the ability to transform someone’s life with a healthy and beautiful smile.

Dr. Joelle Hirschfeld

Dr. Hirschfeld was raised in Randolph, NJ. She attended The Pennsylvania State University where she graduated with honors and a Bachelor of Science degree in Neuroscience. She continued on to Tufts University School of Dental Medicine where she earned her Doctorate of Dental Medicine. While at Tufts, she served as a tutor and TA for many courses, traveled to the Dominican Republic for a dental service trip, and started the Tufts Chapter of Children’s Miracle Network Dance Marathon. Dr. Hirschfeld also received awards in operative dentistry and special needs dentistry.

Following dental school, Dr. Hirschfeld completed a General Practice Residency at Morristown Medical Center in Morristown, NJ. During her very busy hospital-based residency program, she treated hundreds of patients for their general dentistry needs as well as dental implants, oral surgical procedures, pediatric dentistry, root canals, esthetic procedures, and oral pathology needs. She had extensive training in management and treatment of patients with severe dental and facial trauma in the emergency room as well as clearance for medical and surgical procedures. She also spent a lot of time in the operating room treating patients with special needs as well as facial trauma surgeries. 

Dr. Hirschfeld has a passion for esthetics, advancing her knowledge and practice in veneers and other cosmetic procedures, as well as Botox and dermal fillers. Dr. Hirschfeld loves to learn and is committed to continue advancing her training through continued education each year in order to provide her patients with the best possible care.

Dr. Hirschfeld is an active member of the American Dental Association, American Academy of Cosmetic Dentistry, American Academy of Facial Esthetics, Academy of General Dentistry, and New Jersey Dental Association. She is also on staff at Morristown Medical Center as an attending.


In her free time, Dr. Hirschfeld enjoys working out, cooking, checking out the best places to eat, snowboarding, and spending time with her husband and son. Dr. Hirschfeld loves what she does and looks forward to taking care of your dental and overall health!

Dr. Gabriel Cornick

D.M.D, F.A.G.D

Dr. Cornick comes to dentistry through a long family history in this profession. His grandfather and father are both periodontists, and while his grandfather has passed, his dad is still in practice in Somerville, NJ.

He is a New Jersey native and earned his Bachelor of Science degree from Muhlenberg College where he studied neuroscience & music.

He completed his Masters Degree in Biomedical Sciences from Rutgers University, then graduated from Tufts University School of Dental Medicine in Boston. Upon graduating from dental school, he completed his residency program at NYU Langone. He is a proud member of the American Academy of Implant Dentistry, American Dental Association, New Jersey Dental Association, Central Dental Society, Academy of General Dentistry, and the prestigious Seattle Study Club.

He currently resides in Morristown with his wife; he enjoys playing the piano, exercising, and supporting the New Jersey Devils. Dr. Cornick takes pride in his constant pursuit of lifelong learning as a dentist and providing you with warm, compassionate, quality care.

Dr. Jonathan Mendia

Dentist Anesthesiologist 

Dr. Mendia is a Dentist Anesthesiologist and the founder of the Advanced Dental Anesthesia Services Group. A New Jersey native, he attended Rutgers University and graduated with a Bachelor’s of Science in Exercise Science and Nutrition. He then earned his Doctorate of Dental Medicine from the University of Pittsburgh School of Medicine.

Directly following Dental School, Dr. Mendia completed a rigorous postdoctoral residency program in Dental Anesthesiology at the University of Pittsburgh School of Dental Medicine, at the University of Pittsburgh Medical Center (UPMC). Dr. Mendia’s anesthesia training involved hospital rotations through various specialties providing general anesthesia in the areas of dentistry, general surgery, otolaryngology (ENT), pediatrics and obstetrics. Lastly, he received specialized training for office-based anesthesia.

Today, Dr. Mendia has found his niche in ambulatory anesthesia with pediatric and special needs patients. He is also a local, national and international guest lecturer who provides continuing education courses on sedation and medical emergencies in the dental office. Dr. Mendia is a Diplomate of the National Board of Dental Anesthesiology and a Fellow of the American Society of Dental Anesthesiology. In addition, he is also a part of the following: American Dental Society of Anesthesiology, American Society of Dentist Anesthesiologists,

New Jersey Dental Association, and American Dental Association. He holds certifications in Basic Life Support (BLS), Advanced Cardiac Life Support (ACLS), and Pediatric Advanced Life Support (PALS) and is a Basic Life Support (BLS) Provider, training local dental offices for certification.

Get to know Dr. Mendia: Dr. Mendia resides in northern New Jersey with his wife and three children, all of which keep him very busy! A fun fact about Dr. Mendia, is that he loves following the weather and when he was younger, he wanted to be a meteorologist! His personal interests vary; he enjoys taking the kids to the zoo and Central Park; in the Fall you’ll find him at sporting events. He enjoys traveling to Long Beach Island and to warmer climates in the Winter.

Dr. Jonathan Mendia


Patient Care Coordinator

Angelina is our receptionist and hygiene coordinator, making sure you’re coming in as needed for your cleaning visits! She wears many hats in this office as our patient greeter and scheduler.  When she’s not in the office, you can find her shopping for her 300th pair of shoes or trying a new restaurant in the city.


Office Manager

Laura is our office manager who manages the day-to-day operations of our office and oversees all things related to billing and insurance. She reviews patient’s treatment plans, educates patients about their diagnosis, and maximizes your insurance benefits. Fun fact(s) about Laura: she’s a proud mom of 5 girls, an active member in her local church, and loves to sing!

Michelle A.

Registered Dental Assistant

Michelle has been a part of this practice for 25 years. She loves making patients feel at ease and relaxed in the chair. Michelle lives in Roseland where she loves spending time with her family. Her favorite thing to do is spending her free time relaxing on the beach at the Jersey shore.


‍Registered Dental Assistant

Bereniz was born and raised in Morris County. She attended dental assisting school at Fortis Institute of Wayne and received her expanded functions license. Bereniz is also certified with the Dental Assisting National Board. She has worked in a variety of dental settings but most recently in private practice for the last eight years. In her spare time she enjoys trying new restaurants in New York City.

Fun fact: her birthday is on pi (π) day but she does not enjoy eating pie.


Registered Dental Hygienist

Jocie has been a part of this office for 15 years! She treats each patient as if they’ve been friends for years. She resides in Little Falls with her husband, two kids and large dog. Fun fact about Jocie: Her passion is the paranormal and is part of a professional ghost hunting team. BOO!

Michelle O.

Registered Dental Hygienist

Michelle is a registered Dental Hygienist for more than 20 years. Michelle strives to provide a comfortable experience for her patients no matter if you’re 3 years old or 93 years old! In her spare time, she enjoys hanging out with her husband and son kayaking, boating and hiking at their lake home in PA.


Dental Assistant

Lisette comes to our office with 15 years of dental assisting experience in various private offices in NJ. Her warm smile and calm demeanor will make you feel relaxed and  comfortable in the chair. Fun fact about Lisette: She is a diehard Yankee fan who tries to never miss a game! Even if she’s on the road, she’ll enjoy listening to it on the radio. She’ll still welcome any Mets fan into the office with a smile on her face. 


Get started with Dr. Arthur Yeh & Associates, today.