Meet the Team


We have a team of highly qualified and experienced dentists and orthodontists. They have worked with different organizations to provide dental care and oral health-related services. Please read below for more about their individual expertise and experience.

Dr. Montano

Erin M. Montano, DDS

Erin M. Montano, DDS is a general dentist practicing and living in Gallup, NM.  She was born and raised in St. Louis, Missouri, solidifying her love for Cardinals baseball.  After attending Saint Louis University and receiving degrees in Studio Art and Biology, Dr. Montano graduated from University of Missouri-Kansas City School of Dentistry in Kansas City, Missouri.  It was in dental school that she met her husband, Jared.  She is a member of the American Dental Association, New Mexico Dental Association, Academy of General Dentistry, American Academy of Facial Esthetics, and the New Mexico West Central District.  She is currently on the board for the Gallup Early Childhood Center and the New Mexico Dental Association Foundation.  In her free time, Dr. Montano enjoys oil painting, working out, and exploring the Southwest with her husband, baby girl, and two labs,


Zarah Ahmed, DDS

Zarah Ahmed, DDS, was raised in the southwest and has lived in both Arizona and New Mexico. She earned a B.H.S in Physiology from the University of Arizona and after graduating she worked as a 6th grade middle school teacher at J.F.K. Middle School in Gallup. She obtained her Doctor of Dental Surgery degree at University of California, San Francisco, School of Dentistry.  She then completed her post-graduate pediatric dental residency program at University of Pennsylvania/Children’s Hospital of Philadelphia. Having started her path in dentistry 10 years ago volunteering at the El Rio Clinic in Tucson, Dr. Ahmed is committed to advocating access to oral healthcare both locally and internationally. She volunteers regularly at homeless shelters and is engaged in serving the community. She continues to keep up to date on the newest advancements in pediatric dentistry through continuing education to better serve her patients and their families. With a background in both teaching and health education, Dr. Ahmed has a gentle and caring touch. When she is not working, Dr. Ahmed likes to spend time with her family and travel. She also enjoys reading, hiking, painting, and listening to podcasts.


Kenneth E. Knott, DDS

Kenneth E. Knott, DDS. Dr. Knott received his Doctor Dental Surgery degree from the University of Michigan School of Dentistry in 1974. Dr. Knott served in the US Air Force Dental Corp for two years, followed by twenty-seven years dedicated to the practice of general, family dentistry. In 2001 Dr. Knott retired from private practice and since has focused on children and adolescent dentistry in various capacities. A native of Ohio and California, Dr. Knott and his wife, Darla have spent most of their adult lives in Colorado.  Dr. Knott and Darla have four children and nine grandchildren. So spending time with family is important as well as leisure traveling and enjoying the outdoors.


Aaron Khaira, DMD, CAGS- Orthodontist

Aaron Khaira, DMD, CAGS grew up in Texas and graduated with his B.A. in Biology from Austin College. Next he attended Tufts University School of Dental Medicine where he earned his Doctor of Dental Medicine.  Dr. Khaira practiced as a general dentist for 8 years prior to completing his orthodontic residency at Jacksonville University. Dr. Khaira is a member of the American Association of Orthodontists and loves providing his patients with beautiful smiles!   Outside of the office, Dr. Khaira enjoys spending time with his wife Heather and their two dogs, Emmy and Dallas.  He likes playing ice hockey, soccer, and variety of outdoor activities.

Dr. Tasker

Spencer J. Tasker, DMD

Spencer J. Tasker, DMD is the Co-founder and Chief Technical Officer for Gallup Children's Dentistry & Orthodontics.  A board certified New Mexico licensed pediatric dentist, Dr. Tasker received his undergraduate degree from Brigham Young University and attended Case Western University’s School of Dental Medicine in Cleveland, Ohio. He completed his pediatric specialty training in 2006 at Rainbow Babies and Children’s Hospital, also in Cleveland, Ohio. Additionally, he has practiced in the Oral Emergency Care Unit at the University of New Mexico and has served in nonprofit oral health and volunteering initiatives abroad in the Dominican Republic and the Island of Samoa. In his free time, Dr. Tasker enjoys spending time with his wife Sarah and daughters Sydney and Ella, as well as golfing, watching sporting events of all kinds, and has completed over 25 full marathons.