Dr. Seth Marcus, MD

Dr. Seth Marcus, MD

Pediatric Gastroenterology  |  
Male  |  
Age 41
Insurances AcceptedSave
Dr. Seth Marcus, MD is a pediatric gastroenterology doctor who practices in Atlanta, GA. He is 41 years old and has been practicing for 15 years. Dr. Marcus is affiliated with Northside Hospital.

993 Johnson Ferry Rd NE Ste C110

Atlanta, GA 30342

Contact Information

(404) 257-0799

Insurance Accepted

  • Aetna
  • Amerigroup (Wellpoint)
  • Assurant Health
  • AvMed
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Georgia
  • Cigna
  • Commercial Insurance Company
  • Coventry Health Care
  • 11 More

*Please verify this information when scheduling an appointment.

Learn about Dr. Marcus

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas


See how frequently Dr. Marcus performs your care needs compared to other doctors.

more than 81% of peers
Abdominal Pain
more than 47% of peers
Abdominal Disorders
more than 47% of peers

Dr. Marcus's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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  • Pediatric Gastroenterology
  • Gastroenterology

Board Certifications

  • Pediatric Gastroenterology
    Accredited by: American Board of Pediatrics*

Conditions Treated

  • Abdominal Disorders
  • Abdominal Pain
  • Anal or Rectal Pain
  • Celiac Disease
  • Constipation
  • Crohn's Disease
  • Diarrhea
  • Dysphagia
  • Eosinophilic Esophagitis
  • Esophageal Diseases
  • Esophageal Ulcer
  • Esophagitis
  • Feeding Disorders
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Diseases
  • Inflammatory Bowel Disease
  • Non-Alcoholic Fatty Liver Disease
  • Noninfectious Gastroenteritis and Colitis
  • Ulcerative Colitis
  • Vascular Disease


  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Gastroenterology Procedures
  • Percutaneous Edoscopic Gastrostomy (PEG)

Background Check

0 Malpractice Claims

No malpractice history found for Georgia.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Tufts University
    Undergraduate School | Graduated 1998
  • Tufts University
    Medical School | Graduated 2002
  • Emory University School Of Medicine
    Residency Hospital | Completed 2005
  • Northwestern University Children's Memorial Hospital
    Fellowship Hospital | Completed 2008

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Marcus has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Marcus does not have any memberships or affiliations listed. If you are Dr. Marcus and would like to add memberships or affiliations, please update your profile.

Dr. Marcus' Reviews

Likelihood of recommending Dr. Marcus to family and friends
based on 18 total reviews (6 with comments)
Dr. Marcus' Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers Questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
  • Average wait time
    10 to 15 minutes
Patient Comments (6)
in Lawrenceville, GA |
I took my 5 month old to see Dr. Marcus due to constant spitting up and poor weight gain. He and his nurse, Meredith are phenomenal. They were very detailed, patient and really listened to all of my concerns and questions as well as provided a very thorough plan of action to help my baby. I am so glad that we found this practice and are very thankful for their help.
in Duluth, GA |
Outstanding!! While certainly lucky and blessed that our son's condition is going to be manageable, it's been a long time that I met somebody like Dr. Marcus who takes time to explain things and answer questions. What I would call his bedside manner towards us and my 16 year old son - possibly the best I've ever seen.
in Acworth, GA |
My sister was a patient of his for about 5 years before I ever saw him. My sister and mom always had great things to say about him. Then I finally went to him when I began having stomach issues. He was amazing. He takes a topic (poop) that no one likes talking about and just makes you feel very comfortable and relaxed. He was so nice and always made sure to follow up when needed. The office was always very good about returning calls. Highly recommend him for any kids with gi issues.
in Acworth, GA |
When I was sick back in 2010, no one could figure out what was wrong with me. Until I came and saw Doctor Marcus...I was diagnosed with Crohn's Disease. And I stayed with him for the next 5 years. Marcus always made sure to thoroughly explain everything to me, and was descriptive as we tried various medications for my condition. He is EXTREMELY knowledgeable about everything GI, and is great with his patients. And while most people fear doctors jumping to the most drastic measures possible, Dr.
Atlanta, GA |
I cannot say enough positive things about Dr. Marcus! He has been treating my son for Eosinophilic Esophagitis (say that 10 times fast) for 4 years. He used to gag and vomit with many meals, and we were at a loss. Due to Dr. Marcus' care, he is able to eat normally and enjoy life as a regular 6 year old. Love Dr. Marcus and his staff!
Atlanta, GA |
I like Dr Marcus, he treats both of my kids. But to spend over 90 minutes in the waiting room twice in under 6 appointments (whilst more than a dozen go in ahead), not acceptable. I wouldn't object if they were apologetic, or the nurse wasn't so curt, or if I didn't have to listen to the medical staff having social conversations during work hours when they're running behind. It's enough to make me want to find another practice.
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Now Accepting New Patients
Dr. Marcus accepts 20 insurance carriers
  • Aetna
    Aetna HMO
    Choice Plus POS II
  • Amerigroup (Wellpoint)
  • Assurant Health
  • AvMed
    Open Access
  • Blue Cross Blue Shield
    Blue Card PPO
    Blue Choice HMO
  • Blue Cross Blue Shield of Georgia
    Blue Choice Option POS
    Blue Open Access POS
  • Cigna
    Cigna HMO
    Cigna PPO
    Great West Healthcare-Cigna PPO
  • Commercial Insurance Company
  • Coventry Health Care
    Coventry Health America
  • Golden Rule
  • Humana
    Choice Care PPO
  • Kaiser Permanente
    Kaiser Permanente HMO
  • Mail Handlers Benefit Plan (MHBP)
  • Medicaid
    Medicaid HMO
  • Medical Mutual of Ohio
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO
  • MVP Health Care
  • Tricare
    TriCare for Life
  • UnitedHealthCare
    Choice Plus POS
    Options PPO
  • WellCare
    WellCare HMO
    WellCare POS
    WellCare PPO

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Marcus has admitting privileges

Northside Hospital
1000 Johnson Ferry Rd
Atlanta, GA 30342
View Hospital Profile

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