Sebastian John Profile Image


  • Primary Care
  • Internal Medicine

Board Certifications:

  • Internal Medicine


  • English


  • Mercy Personal Physicians at Canton

Sebastian John, M.D.

Sebastian K. John, M.D., is a Primary Care Doctor and a member of Mercy Personal Physicians in Canton. Dr. John works with patients in a partnership to best treat symptoms and common conditions, as well as develop overall health management plans through thorough evaluation and screening.

Accessible Primary Care Services

Dr. Sebastian John’s Canton location places him among some of Baltimore’s most charming and diverse communities. He’s able to conveniently serve the residents of not only Canton, but the neighboring communities of Patterson Park, Fells Point, Highlandtown and Greektown. Residents can take advantage of Dr. John’s full provision of integrated, accessible health care services within the area they already call home. Working together with the same residents he serves, Dr. John’s practice adds to Canton’s attraction and economic stability.

Sustained & Reliable Health Management

Board Certified in Internal Medicine, Dr. Sebastian John is a reliable and dependable primary care physician responsible for addressing a large majority of his patients’ personal health care needs, from the common cold to the management of chronic diabetes. Through one-on-one care and evaluation, he works to develop sustained partnerships with his patients that harbor open communication and trust.

In addition, Dr. John’s association with Mercy Medical Center allows him to conveniently provide all of the comprehensive and advanced services, specialists and treatments that Mercy has to offer.

Education & Fellowships
  • Residency – Muhlenberg Regional Medical Center, Plainfield, New Jersey
  • Medical Degree – M.S. Ramaiah Medical College, India


Insurances Accepted

See a list of insurances accepted at Mercy. Restrictions may apply. Patients should confirm coverage with their carrier prior to appointment date.