Insurance Check

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Dr. Berquist accepts

Accepted insurance can change. Please double-check when making an appointment.

(650) 723-5070

Dr. Berquist accepts the following insurance:

Aetna: Aetna HMO; Choice Plus POS II
Blue Cross Blue Shield: Blue Card PPO
Blue Cross Blue Shield of California: Blue Cross Blue Shield of California PPO
First Health (Coventry Health Care): First Health (Coventry Health Care) PPO
MultiPlan: MultiPlan PPO; PHCS Network PPO

Background Check

No malpractice claims found for California

No disciplinary actions found for the years we collect data

No board actions found for the years we collect data

Learn more about background checks

Experience Check

Check Dr. Berquist's experience treating your condition or procedure

Dr. Berquist's Top Procedures and Conditions

Treatment Frequency

Gastrointestinal Diseases

normal

Treatment Frequency

Dr. Berquist treats Gastrointestinal Diseases more than 22% of his peers

Dr. Berquist treats this condition more than 22% of his peers

Abdominal Disorders

normal

Treatment Frequency

Dr. Berquist treats Abdominal Disorders more than 20% of his peers

Dr. Berquist treats this condition more than 20% of his peers

Constipation

normal

Treatment Frequency

Dr. Berquist treats Constipation more than 16% of his peers

Dr. Berquist treats this condition more than 16% of his peers

Learn more about Constipation

Dr. Berquist's conditions and procedures:

Abdominal Disorders
Abdominal Pain
Anemia
Autoimmune Diseases
Biliary Atresia
Blood Disorders
Cholecystitis and Gallstones
Cirrhosis
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Constipation
Crohn's Disease
Diarrhea
Duodenal Ulcer
Duodenitis
Dysphagia
Endoscopy (Esophagus, Stomach, Small Intestine)
Esophageal Achalasia and Cardiospasm
Esophageal Diseases
Esophagitis
Gas-Bloat Syndrome
Gastritis
Gastroenterology Procedures
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastrointestinal Diseases
Gastrointestinal Malabsorption
Hepatitis B - Immune Response
Hepatopulmonary Syndrome
Indigestion
Inflammatory Bowel Disease
Intestinal Atresia
Intestinal Obstruction
Malnutrition
Manometry
Mesenteric Lymphadenitis
Nausea
Non-Neonatal Jaundice
Pancreatitis
Stomach Diseases
Ulcer
Ulcerative Colitis
Vascular Disease
Viral Hepatitis
Vomiting Disorders

About Me

Biography

Dr. William Berquist, MD is a pediatric gastroenterology specialist in Palo Alto, CA and has been practicing for 39 years. He graduated from Northwestern University The Feinberg School Of Medicine in 1975 and specializes in pediatric gastroenterology and pediatric transplant hepatology.