Dr. Thomas Walter AbernathyJr , MD

Gastroenterology and Internal Medicine

(410) 247-7500

Digestive Disease Associates
700 Geipe Rd Ste 230
Catonsville, MD 21228


joined Digestive Disease Associates (DDA) in 2008. He graduated with honors from Morehouse College in Atlanta, GA, where he received a Bachelor of Science degree in Biology. Dr. Abernathy continued his studies in Philadelphia at the Medical College of Pennsylvania & Hahnemann University School of Medicine (now Drexel University School of Medicine) where he received his medical degree. Dr. Abernathy returned to the Washington, D.C. metropolitan area and attended the Washington Hospital Center in the District of Columbia where he completed his Internal Medicine Residency Program and his fellowship in Gastroenterology and Hepatology. In August of 2005, he joined a private practice in Annapolis, MD. After 2 years, he decided to embark on new opportunities at DDA. Dr. Abernathy is board certified in gastroenterology and a diplomate of the American Board of Internal Medicine. He's also a member of the American Gastroenterology Association, the American Society of Gastrointestinal Endoscopy, the American College of Gastroenterology, the American Association for the Study of Liver Diseases and the National Medical Association. Dr. Abernathy is a native of the greater Washington, D.C. metropolitan area and loves not only serving, but also being involved in the communities in which he works and resides. When not treating patients, Dr. Abernathy enjoys spending time with his family and pursuing outside interests. These interests include jogging, mountain biking, skiing and participating in various community service and mentoring projects.

Gender: N/A

Years in Practice: 20 Years

Languages Spoken: English and Spanish

Education & Training

Medical School: Drexel University College Of Medicine

Graduation Date: in 1999

Specialties & Hospital Affiliations

Hospital Affiliations:

  • Greater Baltimore Medical Center
  • Saint Agnes Hospital
  • University Of Maryland Saint Joseph Medical Center
  • Howard County General Hospital

Specialties: Gastroenterology and Internal Medicine

Health Insurance and Affiliations

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Select
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • CareFirst BlueChoice Advantage
  • CareFirst BluePreferred PPO
  • CareFirst Maryland POS
  • CIGNA Open Access Plus
  • Coventry DE PPO
  • Coventry Southern Health PPO
  • First Health PPO
  • UHC Choice Plus POS
  • UHC Compass HMO
  • UHC Navigate HMO
  • UHC Navigate POS
  • UHC Optimum Choice Preferred POS
  • UHC Options PPO

Dr. AbernathyJr's Office Information

Fax: (410) 024-7422
Website: ddamd.com
Accepting New Patients: Yes
Medicare Accepted: Yes
Medicaid Accepted: Yes

Office Hours:

Mon8:00 AM-4:00 PM
Tue8:00 AM-4:00 PM
Wed8:00 AM-4:00 PM
Thu8:00 AM-4:00 PM
Fri8:00 AM-4:00 PM

Doctor AbernathyJr's Other Office Information

Digestive Disease Associates
10710 Charter Dr Ste 110
Columbia, MD 21044
(410) 992-9797

Fax:(410) 073-0094
Accepting New Patients: Yes
Medicare Accepted:Yes
Medicaid Accepted:No

Office Hours:

Mon8:00 AM-5:00 PM
Tue8:00 AM-5:00 PM
Wed8:00 AM-5:00 PM
Thu8:00 AM-5:00 PM
Fri8:00 AM-5:00 PM

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