Children's Medical Group - Pediatricians in Atlanta, Decatur, Johns Creek logo for print
Children's Medical Group, P.C.
Atlanta Office: 1875 Century Boulevard N.E., Suite 150 Atlanta, Georgia 30345 | Phone: 404-633-4595
Johns Creek Office: 6918 McGinnis Ferry Road, Suite 200, Suwanee, Georgia 30024 | Phone: 770-622-5758
Decatur Office: 125 Clairemont Ave., #190, Decatur, GA 30030 | Phone: 404-748-9691


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Peggy Marcus, M.D.

Peggy Marcus, M.D., Pediatrician in Decatur

Dr. Marcus grew up in Indianapolis, Indiana (go Hoosiers!), and she has practiced medicine in Atlanta for most of her career. Her passion for children’s health began at an early age, growing up in a family with a mother as a teacher and a father as a pediatrician. She earned her Bachelor of Science at Tulane University with a major in psychology and her Doctorate of Medicine at Indiana University School of Medicine. Dr. Marcus then completed her pediatric residency at Emory University and has been practicing pediatrics since 2004.

Dr. Marcus enjoys all aspects of pediatric care, and she is especially passionate about discussing child development and preventative medicine at well visits. Dr. Marcus always makes it a priority to get to know her patients and their families on a more personal level. As a mother and physician, Dr. Marcus strives to treat her patients as she would treat her own children.

In her free time, Dr. Marcus enjoys spending time with her husband and two teenage daughters. She also enjoys running, reading, baking, traveling, and being with family and friends. Dr. Marcus has been practicing in the Decatur area for the majority of her career, and she is excited to join the CMG family.

02/21/2023

Dr Marcus is a wonderful physician! She is attentive and answers all my questions at every visit. She also addresses any areas of concern with sensitivity and care for both new mothers and newborns

02/21/2023

My girls have seen Dr Marcus since they were first born. She is extremely talented. She is to the point and detailed. She listens and takes notes of your concerns. She will tell you her thoughts without making you feel pressured or ignorant. So thankful for her care!

02/21/2023

We've been with Dr. Marcus for 4 years and are so happy with her! She's very attentive, observant, and thorough during our visits. And I love the way she communicates. Shes very clear and direct but also like talking to an old friend. We got lucky finding her!

01/31/2023

Dr Marcus has been a provider for my children for over ten years. She really listens to any concerns and is thoughtful in responding. She takes in the whole picture and doesn't produce generic answers to issues- which I greatly appreciate. I moved to another practice to stay with her!

12/31/2022

Love Dr Marcus! She kind and gentle with the kids. Listens to parents concerns and takes them seriously. Takes her time with the kids!

12/31/2022

Our visit was incredible and informative as always. Dr. Marcus always puts us (first time parents) to ease. Thanks Dr. Marcus!

12/31/2022

She (Dr. Marcus) is personable, focused, thorough, friendly, and I had a sense of comfort and confidence in her skill, experience, and ability in our initial visit.

12/31/2022

Dr. Marcus was fantastic with my children and provided a thorough checkup. I was beyond pleased. She truly takes the time to ask questions about their development and answer any questions I may have. Yesterday's visit was rough on me as I'm Recovering from a procedure and she caught my slower pace and asked me how I was. Then proceeded to make sure I was following up with my docs as I should. We are so thankful for her and this practice. Our children are thriving under her care.

11/29/2022

Dr. Marcus is the best! My kids love going to see Dr. Marcus, she makes the experience enjoyable for all.

10/01/2022

My 3 yo son loves her and actually remembers what she tells him. Dr. Marcus is down to earth, practical, and great with kids and parents! We're grateful to have her as our pediatrician!

10/01/2022

We followed Dr. Marcus when she switched to Children's Medical Group. She's been caring, practical, and good at listening to and addressing concerns that arise.

10/01/2022

Love Dr. Marcus. She is very informative and attention to detail. She takes great care of my daughter. 10/10 would absolutely recommend.

09/01/2022

Dr. Marcus is such a thorough pediatrician. She's not only knowledgeable, she's down to earth. We came to CMG after having a bad experience elsewhere. We love her personality, her ability to be straight with us - and she knows our son's history while we're discussing things at his appointments. That's important to us. We look forward to keeping her in our village.

09/01/2022

Dr. Marcus was great! She took her time getting to know my son's medical history. She asked a lot of questions and helped figure out what was going on with his health. Thank you!

09/01/2022

Dr. Marcus is incredible with my child! It has always been a wonderful and warm experience every time we go. Dr. Marcus is very knowledgeable and makes us feel at ease. Highly recommend!

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