Dr. William E. Berquist, MD

  • Palo Alto, CA
  • Pediatric gastroenterology physician
NPI1659461457
Publications
71
Clinical trials
2
Hospital affiliations
1
Industry payments
$143
Medical group
1
Practice address
725 Welch Road, Palo Alto, CA 94304
Practice phone
Call (650) 497-8000
Professional email
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Personal email
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Mobile number
Get mobile number
Social profiles

Primary practice

Lucile Packard Children's Hospital Stanford

Hospital · Palo Alto, California

See all 2 affiliations

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Dr. William E. Berquist is a pediatric gastroenterology physician in Palo Alto, California

Dr. Berquist practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University.

Dr. Berquist's NPI, 1659461457, was assigned on October 13, 2006. Dr. Berquist graduated from Feinberg School of Medicine in 1975. Dr. Berquist holds California license G32783.

NPI and contact details
NPI enumeration date
October 13, 2006
NPI status
Active
Practice phone
(650) 497-8000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
77
Medical school graduation
1975

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. William E. Berquist practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California

Dr. Berquist's primary practice is Lucile Packard Children's Hospital Stanford, at 725 Welch Road, Palo Alto, CA 94304 in Santa Clara County. The practice phone is (650) 497-8000.

Source: Dmand AI Affiliation Data

Dr. William E. Berquist is affiliated with 1 site of care and 1 medical group

Dr. Berquist's primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University. The medical group on file is Lucile Packard Children's Hospital Stanford. Dr. Berquist's employer is on file too: a hospital.

See all 2 affiliations for Dr. Berquist

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. William E. Berquist's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Berquist practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lucile Packard Children's Hospital StanfordAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Stanford University and 6.2K+ hospitals, with verified contacts in the same login.

Dr. William E. Berquist is one of 251 pediatric gastroenterology physicians in California

Pediatric gastroenterology is Dr. Berquist's primary specialty in the NPI Registry, under taxonomy code 2080P0206X. Dr. Berquist is board certified in pediatric gastroenterology by the American Board of Pediatrics. Dr. Berquist is licensed in California.

Specialties and state licenses

  • Pediatric gastroenterology, CaliforniaPrimaryLicense G32783 · 1976 to 2027 · taxonomy 2080P0206X

Pediatric gastroenterology physicians near Dr. Berquist

Counts of pediatric gastroenterology physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William E. Berquist's patients have a median age of 13

Across all payers, Dmand AI patient panel data puts Dr. Berquist's median patient age at 13, with 43% women.

Dr. Berquist's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 13

Patient panel by sex, all payers

  • Women43%
  • Men57%

Source: Dmand AI Patient Panel Data

Dr. William E. Berquist has 71 publications on record

Dmand AI links 71 papers to Dr. Berquist, published from 2008 to 2022. 2017 was the busiest year, with 3. The most frequent topics are Liver Transplantation, Graft Rejection and Immunosuppressive Agents. Dr. Berquist has published most often in J Pediatr Gastroenterol Nutr. Dr. Berquist's most frequent co-authors are Kenneth Cox, MD, Carlos Orlando Esquivel, MD, PhD and Waldo Concepcion, MD.

Papers71
Years published2008 to 2022

Dr. Berquist's papers by year, 2008 to 2022

Topics Dr. Berquist writes about most

  • Liver Transplantation
  • Graft Rejection
  • Immunosuppressive Agents
  • Liver Diseases
  • Graft Survival
  • Liver
  • Cyclosporine
  • Liver Neoplasms

Dr. Berquist's most frequent co-authors

Recent publications by Dr. Berquist

See all 71 publications and co-authors

See who Dr. Berquist researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Berquist works with, so you can find a warm path to the right pediatric gastroenterology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. William E. Berquist has worked on 2 clinical trials

Dmand AI links Dr. Berquist to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Hyperammonemia, Liver Failure, Acute and Hepatic Encephalopathy.

Clinical trials with Dr. Berquist by phase

  1. NonePhase 1: no trials
  2. 1Phase 2: 1 trial
  3. NonePhase 3: no trials
  4. 1Phase 4: 1 trial

Conditions in Dr. Berquist's trials

  • Hyperammonemia
  • Liver Failure, Acute
  • Hepatic Encephalopathy
  • Urea Cycle Disorders, Inborn

Investigators on the most trials with Dr. Berquist

Recent clinical trials with Dr. Berquist

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. William E. Berquist received $143 in industry payments from 2016 to 2023

CMS Open Payments shows 10 general payments to Dr. Berquist from 5 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 98% of the total. Dornier MedTech America, Inc paid the most, $66.

General payments to Dr. Berquist by program year, 2016 to 2023

General payments to Dr. Berquist by kind, 2016 to 2023

$143in total
  • Food and beverage$14098%
  • Education$32%

Companies that paid Dr. Berquist the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Berquist

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. William E. Berquist has 1 award and honors on record

Dmand AI lists 1 award for Dr. Berquist, most recently Regional Top Doctor in 2014.

Awards and honors for Dr. Berquist

  1. 2014
    • Regional Top Doctor

Source: Dmand AI Professional Profile Data

Dr. William E. Berquist graduated from Feinberg School of Medicine

Dr. Berquist graduated from Feinberg School of Medicine in 1975.

  1. Medical schoolFeinberg School of Medicine
  2. Board certified in pediatric gastroenterologyAmerican Board of Pediatrics
  3. Board certified in pediatricsAmerican Board of Pediatrics
  4. Board certified in pediatric transplant hepatologyAmerican Board of Pediatrics

Source: Dmand AI Professional Profile Data

Dr. William E. Berquist accepts plans from 10 insurance carriers

Dr. Berquist is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • AK State Medicaid
  • +2 more carriersWith a free account

Plan types Dr. Berquist accepts, by number of carriers

  1. Medicare6
  2. PPO6
  3. POS4
  4. EPO3
  5. HMO3
  6. Medicaid3

Source: Dmand AI Insurance Network Data

Sources for Dr. William E. Berquist's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William E. Berquist

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. William E. Berquist's NPI number?

Dr. William E. Berquist's NPI number is 1659461457. It was assigned on October 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William E. Berquist?

Dr. William E. Berquist is a pediatric gastroenterology physician in Palo Alto, California. The primary specialty in the NPI Registry is Pediatric Gastroenterology Physician (taxonomy code 2080P0206X).

Where does Dr. William E. Berquist practice?

Dr. Berquist practices at 725 Welch Road, Palo Alto, CA 94304. Dr. Berquist's primary practice is Lucile Packard Children's Hospital Stanford in Palo Alto, California, part of Stanford University.

What is Dr. William E. Berquist's office phone number?

The practice phone on file for Dr. Berquist is (650) 497-8000.

What is Dr. William E. Berquist's medical license number?

Dr. Berquist holds California license G32783.

Which hospitals is Dr. William E. Berquist affiliated with?

Dr. Berquist practices at Lucile Packard Children's Hospital Stanford in Palo Alto, California.

What medical group is Dr. William E. Berquist part of?

Dr. Berquist is linked to Lucile Packard Children's Hospital Stanford.

Is Dr. William E. Berquist board certified?

Yes. Dr. Berquist is board certified in pediatric gastroenterology by the American Board of Pediatrics.

Where did Dr. William E. Berquist go to medical school?

Dr. Berquist graduated from Feinberg School of Medicine in 1975.

Has Dr. William E. Berquist received payments from drug or device companies?

CMS Open Payments shows $143 in general payments to Dr. Berquist from 5 companies from 2016 to 2023. The largest total came from Dornier MedTech America, Inc.

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How long has Dr. William E. Berquist been practicing?

Dr. Berquist graduated from medical school in 1975, 51 years ago.

Does Dr. William E. Berquist do research?

Dmand AI links 71 publications to Dr. Berquist, published from 2008 to 2022. Dr. Berquist has worked on 2 clinical trials.

Who does Dr. William E. Berquist publish with?

Dr. Berquist's most frequent co-authors are Kenneth Cox, MD (38 shared papers), Carlos Orlando Esquivel, MD, PhD (35 shared papers) and Waldo Concepcion, MD (19 shared papers).

What insurance does Dr. William E. Berquist accept?

Dr. Berquist is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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