Summary

Dr. Sam Zamani is a gastroenterologist with 43 years of experience treating digestive health conditions. They earned their medical degree from Shiraz University of Medical Sciences and completed their residency at Thomas Jefferson University Hospital. Dr. Zamani speaks English and Vietnamese, making care accessible to diverse patient populations.

Dr. Zamani practices at multiple locations throughout California, including Walnut Creek, Concord, San Ramon, and Hayward. They are affiliated with Walnut Creek Medical Center, San Ramon Regional Medical Center, John Muir Health Concord Medical Center, and Saint Rose Hospital. Dr. Zamani specializes in treating conditions such as colon polyps and diverticular disease. They perform essential diagnostic procedures including colonoscopy and both upper and lower GI endoscopy. Patients have given Dr. Zamani an average rating of 4.0 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4
  • 43 years of experience
  • speaks English, Vietnamese
  • Thomas Jefferson University Hospital
  • 14 written reviews
  • 1 specialty
  • 13 areas of expertise
  • 1 board certification
  • 4 hospital affiliations
  • 8 office locations

Office Locations

Dr. Sam S Zamani has 8 locations

John Muir Health Digestive Health Services

1479 Ygnacio Valley Rd Ste 150Walnut Creek, CA 94598
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Dr. Sam S Zamani

1450 Treat Blvd. #120Walnut Creek, CA 94597

Walnut Creek Medical Center

1601 Ygnacio Valley RdWalnut Creek, CA 94598

Saint Rose Hospital

27200 Calaroga AveHayward, CA 94545

Aspen Surgery Center

133 La Casa Via Ste 150Walnut Creek, CA 94598
Mon6:00 am - 4:30 pm
Tue6:00 am - 4:30 pm
Wed6:00 am - 4:30 pm
Thu6:00 am - 4:30 pm
Fri6:00 am - 4:30 pm
SatClosed
SunClosed

Dr. Sam S Zamani

1479 Ygnacio Valley Rd Ste 150Walnut Creek, CA 94598
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

John Muir Health

5801 Norris Canyon Rd Ste 230San Ramon, CA 94583

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Dr. Sam S Zamani, MDRachel Oliver, APRNChimdi Mfebe, APRNRebecca Humphries, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
43 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Vietnamese Speaks English Speaks English Speaks English
Walnut Creek , CASACRAMENTO , CALittle Rock , ARSACRAMENTO , CA
Med School: Shiraz University Of Medical Sciences Med School: University of South Alabama Med School: Chamberlain University College of Nursing Med School: Emory University
Current Profile
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Insurance Plans Accepted by Dr. Sam S Zamani

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Sam S Zamani has the following specialty

Specialty Expertise

Dr. Sam S Zamani has the following 13 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Heartburn
  • Hemorrhoids
  • Hepatitis
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis
  • Viral Human Hepatitis

Certifications, License, & Education

43 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Residency

Thomas Jefferson University Hospital

Medical School

Shiraz University Of Medical SciencesGraduated in 1983

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Frequently Asked Questions

What languages does Dr. Sam Zamani speak?
Dr. Sam Zamani speaks English and Vietnamese.
Which hospitals is Dr. Sam Zamani affiliated with?
Dr. Sam Zamani is affiliated with Walnut Creek Medical Center, San Ramon Regional Medical Center, John Muir Health Concord Medical Center, and Saint Rose Hospital.
Where is Dr. Sam Zamani's office located?
Dr. Sam Zamani's office is located at 1479 Ygnacio Valley Rd Ste 150, Walnut Creek, CA, 94598.
Does Dr. Sam Zamani accept my insurance?
You can see the insurance plans that Dr. Sam Zamani accepts on their Vitals profile.
Does Dr. Sam Zamani accept virtual/telehealth appointments?
Dr. Sam Zamani has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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