Our Dentists

Bruce R. Dunn, DDS earned his Bachelor’s Degree in Science and Chemistry from Adams State College in 1965 and completed his Doctor of Dental Surgery Degree at the University of Missouri, Kansas City School of Dentistry in 1969.

Dr. Dunn is Past President of the Colorado Dental Association and received the Colorado Dental Association Distinguished Service Award in 2003. He enjoys the practice of comprehensive Dentistry with his son, Dr. Matthew Dunn. Their practice includes extensive experience with complex restorative dentistry, esthetics, (TMD), implants, general dentistry.

Dr. Dunn enjoys lecturing, teaching and consulting and has been a visiting faculty member at the L. D. Pankey Institute for Advanced Dental Education in Key Biscayne, Florida. He has served the American Dental Association as a member of the Council on Ethics, Bylaws, and Judicial Affairs. Dr. Dunn has been honored by Fellowship in the American Academy of General Dentistry and the Pierre Fauchard Academy of Dentists. He is also a Fellow in the American College of Dentists and the International College of Dentists which are honorary organizations.

Dr. Dunn is a Past President of the Dentists Professional Liability Trust for the State of Colorado and volunteers for the Colorado Foundation of Dentistry for the Handicapped. He is an active member of the American Academy of Restorative Dentistry. In addition, he is a past member of the American Equilibration Society.

Dr. Dunn is married, enjoys many outdoor hobbies and family activities and also follows his daughter’s career as a paleobotanist.

MATTHEW T. DUNN, D.D.S., received his Bachelor of Arts degree in Government at Pomona College in 1992, his Doctor of Dental Surgery degree from Northwestern University School of Dentistry in 1999, and then joined the Cody Dental Group upon graduation.

Dr. Dunn has served on the Medical Services Board and Dental Advisory Board for the State of Colorado, and has served on the Board of Directors for the Dental Lifeline Network. He is a member of the Denver Academy of Restorative Dentistry, the Pierre Fauchard Academy, and has received additional education in occlusion and aesthetic dentistry from the L.D. Pankey Institute in Key Biscayne, Florida, and the Dawson Academy in St. Petersburg, Florida.

Dr. Dunn is an active member of the American Academy of Restorative Dentistry. He has also served on the Editorial Board of the Journal of the American Dental Association (JADA) and was for several years the Editor of The Articulator , the journal of the Metropolitan Denver Dental Society. He has written on dental topics for publications including the Chicago Tribune and the Washington Times . He has been honored with the Pierre Fauchard Academy Journalism Award for his contributions.

Dr. Dunn has performed volunteer dental work in Africa and South America with the International Medical Relief non-profit organization.

Dr. Dunn has been appointed to the Colorado State House of Representatives for House District 38, and has served on the Board of Directors for the Leadership Program of the Rockies. He has also enjoyed working as a weekend talk radio host since 2004.

Dr. Dunn is married and has three young children. He speaks Spanish and pursues interests in mountain climbing, backcountry skiing, soccer and guitar. He enjoys reading and the study of Colorado history. He also enjoys practicing the art and science of dentistry with his father, Dr. Bruce Dunn.

DAVID M. SINGER, D.D.S., graduated from Tulane University in 1997 with a Bachelor’s Degree in Cell and Molecular Biology. He completed his Doctor of Dental Surgery Degree at the University of Southern California School of Dentistry in 2001. Dr. Singer practiced in Highlands Ranch, Colorado prior to joining the Cody Dental Group in 2002.

He has received advanced training from the Dawson Center for Advanced Dental Study in St. Petersburg, Florida, and from the L.D. Pankey Institute for Advanced Dental Education in Key Biscayne, Florida. Dr. Singer is a member of the American Dental Association, the Colorado Dental Association, the Metropolitan Denver Dental Society and the Denver Academy of Restorative Dentistry.

Dr. Singer has devoted considerable time towards charitable programs in oral health care and Education. His efforts have helped rural communities both here at home as well as abroad in South America and Southeast Asia.

A native of Colorado, Dr. Singer enjoys the outdoors and traveling with his wife and two boys: Carden and Zachary.

Call to schedule an appointment with Denver dentist Dr. Singer:
(303) 758-5858

DOUGLAS W. SMITH, DDS, grew up in Des Moines, Iowa and graduated from the University of Iowa in 1986 with a Bachelor’s Degree in General Science with a Minor in Sociology. In 1990 he received his Doctor of Dental Surgery Degree from The University of Iowa, College of Dentistry. Upon graduation he joined the Cody Dental Group and became a partner in 1993.

From 1992-2000, Dr. Smith completed the curriculum in occlusion and comprehensive Dentistry from the L.D. Pankey Institute for Advanced Dental Education in Key Biscayne, Florida. He also has received advanced training in occlusion and TMJ disorder from The Dawson Center for Advanced Dental Study and The Piper Education and Research Center in St. Petersburg, Florida.

In 2004, Dr. Smith was elected into membership in the Denver Academy of Restorative Dentistry. Throughout his career, he has volunteered his time and services to worthy organizations such as: the Colorado Foundation of Dentistry for the Handicapped (CFDH), Kids in Need of Dentistry (KIND), and the Big Brothers Big Sisters.

Doug is married to Annette and they have two boys, Devin and Braden. Outside of dentistry he enjoys hiking, skiing, mountain biking, attending sporting events, and travel.

Call Today to Schedule an Appointment with Dr. Smith:
(303) 758-5858

"JAMES H. STAMBAUGH, D.D.S., received his Bachelor’s Degree in Molecular, Cellular and Developmental Biology in 1973 from the University of Colorado. He completed his Doctor of Dental Surgery from the University of Colorado School of Dental Medicine in 1983 and completed a General Practice Residency program in 1984 at the University of Colorado Health Sciences Center.

A Denver native, Dr. Stambaugh practiced general dentistry 29 years in Denver prior to joining Cody Dental Group in 2013. He is a member of the American Dental Association, Colorado Dental Association and Metropolitan Denver Dental Association. He has attained Life Member status of the Colorado Prosthodontic Society and is a member of Elevate Dental Study Club (a Seattle Study Club). Dr. Stambaugh is a dental representative on the Medical Advisory Board for the Cherry Creek School District.

Dr. Stambaugh enjoys golf, fly-fishing, skiing and photography. He is a member of the Rotary Club of Denver Southeast. He is a board member of the Colorado I Have a Dream Foundation and coordinates Rotary’s volunteer activities at Ruby Hill Elementary. He has four grown children and seven grandchildren all located in the metropolitan area.

Dr. Stambaugh was previously a clinical instructor at the University of Colorado School of Dentistry.

Dr. Abby Szlachta grew up in Highlands Ranch, Colorado, and attended The College of Wooster in Ohio where she studied chemistry and participated in Division III field hockey and lacrosse. She completed her dental degree at the University of Colorado Anschutz Medical Campus in 2020 and a General Practice Residency at the University of Washington in Seattle. Outside the office, Dr. Szlachta enjoys outdoor activities, sports, and exploring all that Denver has to offer.

Dr. Shall attended the University of Nevada Las Vegas for Dental School from 2015-2019. She received the award for endodontic excellence and was a select member of the Spear-based esthetic class at UNLV. 

She continues her education through CE and her Spear study group based in Westminster, CO.  Dr. Shall thoroughly enjoys getting to know her patients and making sure that she is helping each person as they would like to be treated.

Prior to dental school, she attended the University of Virginia studying biology and mechanical engineering. At the University of Virginia, she developed a love of climbing, mountain biking and
snowboarding.

She enjoys spending time outside with her fiancé and 2 kittens and Golden retriever puppy just down the street from Cody Dental Group.

JEREMY LOWY, D.M.D., M.S.D., attended the University of Louisville for his undergraduate Bachelors of Science degree, general dentistry doctoral training, and 3-year specialty residency in surgical periodontics and dental implant training. He graduated from dental school near the top of his class. In his residency, he also received a Master’s degree in the Clinical Science of Dentistry earning him both a DMD and an MSD. He took the final step to become a Board-Certified Diplomate in the American Board of Periodontology in 2017, the highest honor a periodontist can achieve. He takes utmost pride in learning the latest minimally invasive techniques, and keeping current with the latest developments in periodontics, dental implants, and prosthetics. He has conducted patient-centered research which focused on ways to minimize bone loss around dental implants utilizing certain prosthetic components ultimately making him an expert in the subject of “platform-switching” (ask for more information). His results are published in one of the most esteemed periodontal and prosthetic journals.

Dr. Lowy evaluated several practices around the United States before choosing the Cody Dental Group. He chose Cody because he believes its doctors truly care about their patients, offer exceptional quality of service, and were equipped with a well-established source of referring dentists who place their trust, and their patient’s trust, in the hands of a specialist. Dr. Lowy enjoys being in close proximity to all of the doctors in the building, which allows him to effectively and readily communicate with the other Dentists about their patient’s treatment plans.

Dr. Lowy builds great value into each patient appointment and treatment plan. He provides his patients personalized attention and the highest quality of care. He uses the best regenerative materials, including bone grafts, dental implants, soft and collagen tissue enhancing materials, and stem cell regenerative biologics. Please do not hesitate to ask Dr. Lowy questions about any materials which may be applicable to your care. Photographs may be utilized to aid in planning, diagnosis and treatment, and to allow his patients to see before and after results. Dr. Lowy truly backs his treatment choices and believes you will be happy with the care he provides and the results he promises.

Dr. Lowy loves Colorado and is an avid skier and hiker.

Dr. Hazha Ibrahim is a board-certified pediatric dentist specializing in the prevention and dental treatment for children of all ages. She earned her Bachelor's Degree in Biology in 2011, and a Doctor of Dental Surgery degree in 2015 from the University of Colorado. Dr. Ibrahim then worked as a general dentist for two years before advancing her education in pediatric dental medicine at the University of Washington and Seattle Children's Hospital where she also earned a Master's Degree in Dentistry. Her research while in residency, focused on evaluating sedation modalities for treating children, has been published in the Journal of Dentistry for Children.

Dr. Ibrahim has a passion for helping children and enjoys volunteering in her spare time. She has participated in TeamSmile, Colorado Mission of Mercy, Give Kids A Smile Day, and a mission trip to a remote clinic in Coatepeque, Guatemala where she treated local children without access to dental care. Dr. Ibrahim believes children have unique needs, and she treats her patients as such. She strongly believes in delivering high-quality dental care that is tailored to each child and family's needs in a gentle yet effective manner. She has wide-ranging experience in coordinating interdisciplinary dental care and has been trained in treating children with medically complex backgrounds. Dr. Ibrahim has privileges at Children's Hospital Colorado where she can treat children under general anesthesia.

When not at work, Dr. Ibrahim loves spending time with her family and her husband, Garrett. They enjoy traveling, golfing, biking, trying new restaurants, and spending time on the lake in northern Michigan.

Dr. Ibrahim is a lifelong learner participating in many continuing education courses throughout the year, and is a diplomate of the American Board of Pediatric Dentistry. Her professional memberships include the American Dental Association, Colorado Dental Association, Metro Denver Dental Society, American Academy of Pediatric Dentistry, and Colorado Academy of Pediatric Dentistry.

Bio coming soon.