Dr McKenna is one of the cofounders of Healing Hearts Pediatrics. She grew up in Massachusetts and did her undergraduate education at Brown University and went to Medical School at Boston University School of Medicine.
She moved west in 1989 and completed her pediatric residency at University of California, San Francisco Medical Center.
She met and fell in love with her husband in her internship year and they moved to the warmth and sun of Arizona in 1992. She cofounder She and her husband have raised their three children here and have one grandson.

Dr. McKenna loves children and loves having fun with her patients and helping them be at ease.

Dr. McKenna’s passion is access to care. Through advocacy, testifying at the State Capitol as well as in the greater medical community at large, she helped to unfreeze KidsCare in 2016 which has provided insurance for many uninsured children. She was awarded the 2016 Kevin Keogh Community Service Award. She has been recognized nationally and locally with the 2016 American Academy of Pediatrics Special Achievement Award as well as the 2016 Arizona Chapter of the American Academy of Pediatrics Achievement Award for her work in advocating for children in Arizona.

Dr. McKenna enjoys spending time with her family, riding her horse, playing with her dogs, skiing and playing golf.

Nilam Khurana, MD FAAP

Dr. Khurana graduated from the University of Arizona, Honors Suma Cum laude, and then went on to receive her medical Degree from the U of A College of Medicine. She completed her residency at Phoenix Children’s Hospital/Maricopa Medical Center Pediatric Residency Program in 2003 and then went on to participate in PCH/s Early Access to Care program (EAC) with autism diagnostic training. She holds certification with the American Board of Pediatrics, Certificate of Autism Diagnosis with the Arizona Department of Developmental Disabilities and maintains an active medical license with the State of Arizona Medical Board. Dr. Khurana combines Western medicine and Eastern traditions to treat the whole child, working with families to find the right balance.

Dr. Khurana is the co-owner of Healing Hearts Pediatrics and specializes in general pediatric care, autism and dyslexia evaluations, ADHD and mood disorder management within the primary care setting. She also continues to be an Early Access to Care board member with Phoenix Children’s Hospital’s developmental pediatrics program and on the Developmental Screening committee with Arizona chapter of the American Academy of Pediatrics (AzAAP). Dr. Khurana is also a clinical preceptor for the University of Arizona Phoenix campus. She is certified to perform numerous assessments in the field of pediatrics and works to improve early recognition of autism, dyslexia, and other neurodevelopmental conditions. She remains active in several research projects in collaboration with the University of Arizona, Arizona State University, and Phoenix Children’s Hospital.

Dr. Khurana formed Pediatric Developmental Connections in March of 2023 to bring a better focus on comprehensive developmental assessments for young children, opening services to families across the state of Arizona. Dr Khurana has over 20 years of experience in treating the pediatric population. Dr. Khurana keeps close connections within the healthcare community regarding the latest research, assessment, and treatment options for young children. She is a well-known leader in the community and highly respected by her colleagues.

In her personal life, Dr Khurana is married to a supportive husband and is a mother of two exceptional girls. She enjoys spending time with her family, traveling, hiking, kayaking, golfing, and anything to do with nature.

Dr. Charles Roller grew up in North Dakota, enjoying cross country skiing in the winter and hiking or biking in the North Dakota Badlands during the summer. He attended the University of North Dakota for undergraduate and graduate and medical school, then decided to move to warmer climate for residency. Dr. Roller chose St. Louis University where he completed four years combined Internal/Pediatric residency and served an additional year as Pediatric Chief Resident at Cardinal Glennon Children’s Hospital associated with St. Louis University. He served as a hospitalist for his first two years following residency, but then was offered to take over a Pediatric practice owned by Cardinal Glennon for the next 14 years.

Dr. Roller loved living in St. Louis and spent a lot of time exploring the Lakes of the Ozark Mountains in the region. He lived in the old historic area of the city and rehabbed two old homes, the first built in 1905 and the second in 1895. St. Louis is notorious for its ice storms in the winter, and after so many years, he decided it was time to move to the south. Dr. Roller chose to follow other family members and moved to Phoenix in 2009. After working at a few other practices that he just wasn’t content with, he joined Healing Hearts Pediatrics in December 2016. He is very pleased with the warm, nurturing attitude of Healing Hearts and plans to spend the remainder of his career there. He looks forward to the pleasure of leading your family towards good health and happiness.

Dr. Valenzuela was born and raised in Arizona. She has wanted to be a pediatrician since she was a child herself. Her baby sister was born when she was 4 years old and having the chance to go pick her up at the hospital was truly an inspirational moment. There were so many babies in the nursery! She dedicated her efforts to becoming a pediatrician and in 2005 her dream came true when she graduated from residency. She went to the same residency program as Dr. Khurana at Phoenix Children’s Hospital/Maricopa Medical Center. She has worked at several practices around the Valley since then and is happy to call Healing Hearts home since March of 2023.

She loves music, particularly rock and roll. She is married and has 2 teenage children. In her spare time, she enjoys spending time with her husband and kids. She also likes going to see family in Oracle, Tucson, and Yuma when she gets the chance.

Nichole Yniguez, CPNP-PC received her Bachelor of Science in Nursing from St. Louis University in St. Louis, Missouri and her Masters of Science in Nursing, Pediatric Nurse Practitioner at the University of Missouri-Kansas City in Kansas City, Missouri. She has been a Pediatric Registered Nurse at children’s hospitals in Missouri and Arizona since 1999.

Nichole is Board Certified in Pediatrics and is a member of the National Association of Nurse Practitioners. Married with two boys, she enjoys cooking, traveling, being a basketball mom and spending time with family. Nikki has been at Healing Hearts Pediatrics since 2005, loves connecting with families, educating and watching her patients grow.

Meagan was born and raised in Mesa, Arizona. She attended Boston University and earned two bachelor’s degrees in psychology and Criminal Justice. She then attended Shenandoah University in Virginia where she obtained a master’s degree in Physician Assistant Studies. After graduating, she and her husband moved back to sunny Arizona where they are now raising their two beautiful children. Meagan absolutely loves working in pediatrics as she believes it is an honor to work with children and their families, and so fun to watch them grow and develop throughout the years. Some of her favorite things to do is spending time with family, reading, and enjoy all the outdoor activities Arizona has to offer!

Melicia Sanchez PA-C obtained her Bachelor’s of Science in Family and Human Development at ASU. She graduated  Summa Cum Laude while working at a pediatric emergency department. She then attained her Master’s in Physician Assistant Studies at NAU. She treated a wide variety of patients in family medicine for 3 years and has now returned to her love of pediatrics with us here at Healing Hearts. She is passionate about helping kids and their families embrace a healthy lifestyle. In her free time Melicia loves traveling and spending time with loved ones and her beloved fur babies Nala, Mila & Coco.

Andrea J Morris is a Certified Pediatric Nurse Practitioner.  She received her Bachelor of Science Degree in Nursing at The University of North Carolina-Wilmington. She received her Master’s in Science Degree as a Pediatric Nurse Practitioner from the Maryville University in St. Louis, Missouri. Her work experience has included being a bedside Registered Nurse in Neonatal Intensive Care and Pediatric Intensive Care for 15 years. She started her career as a Certified Pediatric Nurse Practitioner-Primary Care 3 years ago. She is also a mom to 4 great kids. She has lived in Arizona for the past 3 years. She loves the Arizona sunshine, hiking, swimming, and attending her children’s sporting events. Her career passion is working with babies, toddlers, young children, and their families to enhance their overall health and wellbeing.

Rozzy (pronounced Rosie) Guz was born in Israel and moved to the northwest suburbs of Chicago, IL when she was 5 years old. She graduated from University of Illinois at Chicago in Chicago, IL with a degree in Kinesiology. She then moved to Mesa, AZ for her Masters in Physician Assistant Studies at A.T Still University. While completing her clinical year of physician assistant studies, Rozzy started her Doctorate of Medical Sciences at A.T. Still University. She completed her physician assistant schooling in 2021 and her doctorate in 2022. She is currently an adjunct faculty at A.T Still University and a preceptor for Northern Arizona University Physician Assistant Program. She is looking forward to integrating her clinical practice with teaching aspiring medical professionals. She loves working with the pediatric population and has a long history of working with children, especially in medicine prior to going to physician assistant school. She is very dedicated to her patients and ensures patients and their families are heard, and their concerns are acknowledged. She is an advocate for her patients and is committed to life-long learning to ensure the best level of patient care.

In her spare time Rozzy enjoys spending time with her family and friends. She has two lovely goldendoodles, Jaxon and Cooper. She enjoys traveling, mini golfing and binging movies/shows.

Taylor Keating received her Physician Assistant degree from Marist College in New York. She completed her undergraduate degree in Political Philosophy and Law Studies from Marquette University. PA Taylor has an extensive background working with children diagnosed with Autism Spectrum Disorder as an ABA therapist. She previously worked in Orthopedic Trauma Surgery as a PA.

Born and raised in the Chicagoland area, she moved to Arizona for sunshine and adventure! Taylor enjoys traveling to new places, hiking, running and anything outdoors with family and friends!

Cielo Mohapatra was born and raised in Mexico and immigrated to Arizona in 2000. Her career over the past 26 years has been focused in behavioral, wellness and clinical areas. Ms. Mohapatra received her Bachelor of Science in Clinical Psychology from the University of Sonora in Mexico and her Master of Science in Psychology with an emphasis in Industrial and Organizational Psychology (MSIOP) from Grand Canyon University in Arizona. Ms. Mohapatra is certified as Master Trainer by the Addiction Technology Transfer Center (ATTC) Network in Maryland and by the YMSM+LGBT Center of Excellence in New York City on the training curriculum “A Provider’s Introduction to Substance Abuse Treatment for Lesbian, Gay Bisexual and Transgender Individuals” (English and Spanish Editions). Besides counseling and program development, Ms. Mohapatra’s expertise includes government administration with the Arizona Health Care Cost Containment Systems (AHCCCS) in collaboration with the Governor’s office to improve behavioral health systems in Arizona, leading the Suicide and Substance Abuse Prevention programs, participated in the AHCCCS Policy Committee (APC) and Policy Compliance Workgroup regarding Cultural Competency policies within health care services. Ms. Mohapatra held various positions at the Arizona Department of Health Servies (ADHS) for over 12 years. In her role in the Division of Behavioral Health Services (DBHS) she managed numerous programs while chairing the ADHS Cultural Competency Committee, Anti-Stigma Campaign Committee, and the ADHS LGBTQ Advisory Committee to address diversity and inclusion into clinical practices across the state of Arizona. She holds several recognition awards and appointments including the “Top 40 Hispanic Leaders under 40” hosted by UNIVISION and Vale de Sol. Ms. Mohapatra enjoys being part of the Healing Hearts Pediatrics team as the Care Manager for the Integrated Care Department. The Integrated Care team addresses medical care, mental and behavioral health and social needs for children and their families. In her free time, Ms. Mohapatra enjoys music, traveling, reading, cooking and spending time with family.