Zhen Zhou Feng, MD

Internal Medicine

Permanente Medical Group

3975 Old Redwood Hwy, Santa Rosa, CA 95403

(707) 566-5875

Conditions Treated

  • Constipation
  • Colon Cancer Risk
  • Stomach Inflammation (Gastritis)
  • Ulcerative Colitis
  • Colon Polyps
  • Crohn's Disease

Specialized Treatments

  • Crohn's Disease Treatment (e.g. Anti-Inflammatory Medications, Immune System Suppressors, Biologics)
  • Diagnostic Colonoscopy (With Biopsy)
  • Abdomen X-ray
  • Colon Tumor/Polyp Removal (Colonoscopy)
  • Abdomen Ultrasound
  • Upper Endoscopy (With Biopsy)