Dr. Sebastian K. John MD Internist

Dr. Sebastian John is an internist in Baltimore, Maryland. He is affiliated with multiple hospitals in the area, including Maryland General Hospital and MedStar Franklin Square Medical Center. He received his medical degree from M.S. Ramaiah Medical College and has been in practice for 14 years. He is one of 45 doctors at Maryland General Hospital and one of 57 at MedStar Franklin Square Medical Center who specialize in Internal Medicine.

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Office Location

See Contact Information

Specialty & Clinical Interests

Internist: General Internal Medicine

Education & Medical Training

Muhlenberg Regional Medical Center
Residency, Internal Medicine, 1996 - 1999

M.S. Ramaiah Medical College
Class of 1994

Certifications & Licensure

American Board of Internal Medicine
Certified in Internal Medicine

MD State Medical License
Active through 2014

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS Florida NetworkBlue
  • BCBS Florida Preferred Patient Care PPO
  • CareFirst BCBS Maryland POS
  • CareFirst BlueChoice Advantage
  • CareFirst BlueChoice Network POS
  • CareFirst BluePreferred PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • Coventry Florida - Employer Group PPO
  • First Health PPO
  • Great West PPO
  • Humana ChoiceCare Network PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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