Summary

Dr. Howard Cooper Masuoka treats cirrhosis, nonalcoholic fatty liver disease (NAFLD), and high cholesterol in children and teens, and practices gastroenterology with 23 years of experience. They speak English and Spanish.

Dr. Masuoka trained at the University of Alabama School of Medicine and sees patients in Pleasanton, California. They are affiliated with Indiana University Health Hospital, Sequoia Hospital, Stanford Hospital, Sidney and Lois Eskenazi Hospital, Lucile Salter Packard Children's Hospital at Stanford, Kaiser Permanente Redwood City Medical Center, Emanuel Medical Center, Stanford Health Care Tri-Valley, Stanford Health Care, and Stanford Medicine Pediatrics.

Overview based on verified provider data

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
  • 11 hospital affiliations
  • 1 office location

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

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

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Howard Cooper Masuoka
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Howard Cooper MasuokaDr. Patricia GarciaDr. Leila NeshatianSuk Whang, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.1 
23 Years of Experience 18 Years of Experience 25 Years of Experience 24 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks Chinese, Spanish Speaks English, Spanish
Pleasanton , CAStanford , CAEmeryville , CAVacaville , CA
Med School: University Of Alabama School Of Medicine Med School: University Of Michigan Medical School Med School: Shahid Beheshti University Of Medical Sciences Med School: Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine
Current Profile
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Insurance Plans Accepted by Howard Cooper Masuoka

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

Medical Specialties

Howard Cooper Masuoka has the following 2 specialties

Specialty Expertise

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

Howard Cooper Masuoka holds active and expired medical licenses in the states of California and Indiana.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2027 and an expired medical license in the state of Indiana that expired in 2025.

Education & Training

Medical School

Graduated from University Of Alabama School Of Medicine in 2003.

NPI Number

Howard Cooper Masuoka's NPI number is 1770630162.

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Frequently Asked Questions

What languages does Howard Cooper Masuoka speak?
Howard Cooper Masuoka speaks English and Spanish.
Does Howard Cooper Masuoka accept virtual/telehealth appointments?
Howard Cooper Masuoka has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Howard Cooper Masuoka accept my insurance?
You can see the insurance plans that Howard Cooper Masuoka accepts on their Vitals profile.
How can I make an appointment with Howard Cooper Masuoka?
You can find contact information for Howard Cooper Masuoka here on Vitals.
Is Howard Cooper Masuoka accepting new patients?
Howard Cooper Masuoka is accepting new patients on Vitals. View Howard Cooper Masuoka's profile on Vitals to make an appointment.

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