About Us

Mary Hammock, Provider

Mary graduated from The University of Central Florida with a Bachelor of Science in Nursing in 1997. She worked at Arnold Palmer Hospital for Women and Children as a pediatric medical/surgical nurse. In December of 1999, she graduated with a Master of Science Nursing degree from Emory University. She is certified by the Pediatric Nursing Certification Board and participate in continuing education activities. During her education, she spent many clinical hours in a busy primary care pediatric practice.

Mary is educated to evaluate and diagnose illnesses and injuries and treat, as well as prescribe according to clinical research and recommendations. She is thorough in wellness checks and sports participation physicals. Mary can order and interpret lab results and x-rays, and counsel patients and their families about treatment plans, general health, and illness specific education. She has worked in other busy pediatric practices for more than 11 years and enjoys getting to know her patients and their families. She loves to watch the children grow into beautiful and accomplished young adults, with big dreams ahead.

Healthy Steps Pediatrics opened in March of 2011. Mary is incredibly excited to have her own practice and looks forward to continuing relationships and building new ones with not only your children, but also your family. Mary has developed special interests over the years, including allergies, asthma, autism, abdominal pain, foster care, polycystic ovarian syndrome, and special needs.

Mary enjoy teaching and continues to lecture at Emory University. She often has clinical NP students in the office.

Mary have four beautiful and awesome children, ages 7 to 12 years. She is proud to be the mother of a special needs child. Being a mother has enriched her life and improved her practice. She has lived in Cobb County since 2002. She feels incredibly blessed!!!


Ms. Young Jin Yang received her degrees in chemistry and nursing from Emory University. She graduated from the family nurse practitioner program in 2012 and joined Healthy Steps Pediatrics in 2013. Ms. Young Jin Yang is board certified with American Academy of Nurse Practitioners. Her special interests are in preventative care and lifestyle changes that promote long term healthy living. She also enjoys helping families with asthma, allergies, eczema, anxiety and depression.

Outside of the office she enjoys growing in faith with her local church, running, and traveling. She currently lives in Vinings with her dog, Buddy.

She is here at HSP on Mondays, Tuesdays, Thursdays, and Fridays.


Lauren did her undergraduate studies at UGA and then graduated with her nursing degree from Medical College of Georgia in Athens, GA in 2010. She began her nursing career at Children’s Healthcare of Atlanta where she worked for six years specializing in Hematology and Oncology. She graduated as a Pediatric Nurse Practitioner specializing in both Primary Care and Acute Care in 2015 from University of Alabama in Birmingham. She began her time at Healthy Steps as a Nurse Practitioner Student and later started as one of our providers in 2015. She loves caring for our patients and getting to see them grow and thrive! She has particular interests in infant care and education, asthma, allergies, eczema, and promoting a healthy lifestyle.

Lauren lives in Marietta with her husband and daughter, Rosalie, who was born in March 2017. When not at Healthy Steps she loves to travel, spend time with family and friends, train for triathlons, watch Georgia football, and be involved with her local church.


Meagan grew up in Roswell, Georgia. She is a graduate of the University of Georgia (Go Dawgs!) where she received her Bachelor’s Degree in Child and Family Development. Meagan then obtained her Bachelor’s of Science in Nursing Degree from what was formerly known as the Medical College of Georgia (now termed Augusta University) in 2013. Meagan also obtained her Masters of Science in Nursing (with her focus in pediatrics) from Augusta University May of 2016.

Her former work experience includes numerous hours working with children in a variety of settings and 4 years working as a bedside nurse in the Pediatric Intensive Care Unit at Children’s Healthcare of Atlanta at Scottish Rite.

She is certified by the Pediatric Nursing Certification Board as a Pediatric Nurse Practitioner.

Meagan has special interests in early childhood (birth-age 5), asthma, and wellness promotion in the pediatric population.
Meagan and her husband, Aaron, have one young son, Parker. In her free time, Meagan enjoys spending time with her family and friends, reading, spending time outdoors, and staying involved at her local church.