Summary

Dr. Howard Masuoka specializes in gastroenterology, bringing 23 years of experience to the diagnosis and treatment of digestive system disorders. They completed their medical education at the University of Alabama School of Medicine, developing expertise in conditions affecting the liver, intestines, and related organs. Dr. Masuoka is fluent in both English and Spanish, allowing them to serve diverse patient populations.

Dr. Masuoka practices in Pleasanton, California, and maintains affiliations with several respected healthcare institutions including Stanford Health Care, Indiana University Health Hospital, and Kaiser Permanente Redwood City Medical Center. They focus on treating complex liver conditions such as cirrhosis and nonalcoholic fatty liver disease. Dr. Masuoka also addresses high cholesterol in children and teens, providing specialized care for younger patients facing metabolic challenges. Patients rate Dr. Masuoka 3.2 out of 5 stars on average for their care.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 3.1
  • 23 years of experience
  • speaks English, Spanish
  • University Of Alabama School Of Medicine
  • 1 written review
  • 2 specialties
  • 14 areas of expertise
  • 2 board certifications
  • 11 hospital affiliations
  • 1 office location

Office Location

Dr. Howard Cooper Masuoka

5565 W Las Positas BlvdPleasanton, CA 94588
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

Compare with Similar Doctors

Dr. Howard Cooper Masuoka
Dr. Sidhartha Sinha
Dr. Monique Barakat
Dr. Anson Lowe
Dr. Howard Cooper MasuokaDr. Sidhartha SinhaDr. Monique BarakatDr. Anson Lowe
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.1 
4.7 
23 Years of Experience 19 Years of Experience 14 Years of Experience 46 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English
Pleasanton , CAPalo Alto , CAStanford , CAPalo Alto , CA
Med School: University Of Alabama School Of Medicine Med School: University Of California San Francisco School Of Medicine Med School: Stanford University School Of Medicine Med School: Icahn School Of Medicine At Mount Sinai
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Howard Cooper Masuoka

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

Medical Specialties

Dr. Howard Cooper Masuoka has the following 2 specialties

Specialty Expertise

Dr. Howard Cooper Masuoka has the following 14 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Bile Duct Diseases
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Gastroenterologist
  • Hemorrhoids
  • Hepatitis
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Liver Cancer
  • Ulcerative Colitis

Certifications, License, & Education

23 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2027, Active
Medical Doctor, Indiana, 2025, Expired

EDUCATION & TRAINING

Medical School

University Of Alabama School Of MedicineGraduated in 2003

Similar Doctors

Frequently Asked Questions

What languages does Dr. Howard Cooper Masuoka speak?
Dr. Howard Cooper Masuoka speaks English and Spanish.
How can I make an appointment with Dr. Howard Cooper Masuoka?
You can find contact information for Dr. Howard Cooper Masuoka here on Vitals.
Where is Dr. Howard Cooper Masuoka's office located?
Dr. Howard Cooper Masuoka's office is located at 5565 W Las Positas Blvd, Pleasanton, CA, 94588.
Which hospitals is Dr. Howard Cooper Masuoka affiliated with?
Dr. Howard Cooper Masuoka is affiliated with Indiana University Health Hospital, Sequoia Hospital, Stanford Hospital, Sidney And Lois Eskenazi Hospital, Lucile Salter Packard Childrens Hospital At Stanford, Kaiser Permanente Redwood City Medical Center, Emanuel Medical Center Inc, Stanford Health Care Tri Valley, Stanford Health Care, Stanford Medicine Pediatrics, and Stanford Hospital.
Does Dr. Howard Cooper Masuoka accept virtual/telehealth appointments?
Dr. Howard Cooper Masuoka has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.