Gregory Johnson MD

Internal Medicine, Gastroenterology
  • Clinic, 227 W Janss Rd, #215, Thousand Oaks, CA 91360, (805) 497-9597

Conditions Treated

  • Acid Reflux/GERD
  • Colon Cancer Risk
  • Stomach Pain
  • Benign Colon Tumors
  • Diarrhea

Specialized Treatments

  • Abdomen CT
  • Abdomen Ultrasound
  • Blood Count (CBC)
  • Abdomen MRI
  • Antibody Levels (e.g. IgG, IgM, IgA)
  • Coagulation Tests (e.g. PT, PTT)
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