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  • Gastroenterology, Internal Medicine
  • Accepting new patients
  • 56 years of experience
  • John Muir Health Concord Outpatient Center 2700 Grant St Ste 200, Concord, CA 94520

Brief Intro

Dr. Messian graduated from the Tufts University School of Medicine in 1969. He works in Concord, CA and 3 other locations and specializes in Gastroenterology and Internal Medicine. Dr. Messian is affiliated with San Ramon Regional Medical Center.

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Education Background

RESIDENCY

U S Department Of Veterans Affairs

MEDICAL SCHOOL

Tufts University School Of Medicine - 1969

Location & Hours

  • John Muir Health Concord Outpatient Center
  • 2700 Grant St Ste 200, Concord, CA 94520
  • Mon:8:30 am - 5:00 pm
    Tue:8:30 am - 5:00 pm
    Wed:8:30 am - 5:00 pm
    Thu:8:30 am - 5:00 pm
    Fri:8:30 am - 5:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Gastroenterology
  • Internal Medicine

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Medicare
  • Anthem Blue Cross
  • Contra Costa Health Plan
  • Cancer 86
  • Cardiology, Heart & Vascular Surgery 79
  • Orthopedics 161
  • Neurology & Neurosurgery 120
  • Gastroenterology & GI Surgery 149
  • Pulmonology & Lung Surgery 161
  • Diabetes & Endocrinology 65
  • Children's Hospital 18
  • Urology 149
  • Psychiatry 91
  • Geriatrics 143
  • Rehabilitation 73
  • Obsterics & Gynecology 23
  • Ophthalmology 8
  • Ear, Nose & Throat 10
  • Rheumatology 4
  • Long Term Care 19
  • Maternity Care (Uncomplicated Pregnancy) 99