Dr. Jacques Van Dam, MD, PhD

  • Duarte, CA
  • Gastroenterologist
NPI1518001791PAC ID1850308271
Medicare services, 2024
136
Medicare patients, 2024
127
Part D claims, 2024
33
Publications
14
Clinical trials
4
Practice address
1500 Duarte Rd, Duarte, CA 91010
Practice phone
Call (626) 256-4673
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

City of Hope Comprehensive Cancer Center - Duarte

Duarte, California

See all 8 affiliations

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Dr. Jacques Van Dam is a gastroenterologist in Duarte, California

Dr. Van Dam practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.

Dr. Van Dam's NPI, 1518001791, was assigned on February 19, 2007. Dr. Van Dam graduated from Georgetown University School Of Medicine in 1984. Dr. Van Dam holds California license 50435.

NPI and contact details
Medicare PAC ID
1850308271
NPI enumeration date
February 19, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(626) 256-4673
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
68
Medical school graduation
1984

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Jacques Van Dam practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California

Dr. Van Dam's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (626) 256-4673.

  • City of Hope Comprehensive Cancer Center - Duarte
    1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(626) 256-4673

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Jacques Van Dam is affiliated with 6 sites of care and 2 medical groups

Dr. Van Dam's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dr. Van Dam is also affiliated with Keck Hospital of USC. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Van Dam to 1 more hospital, 2 group practices and clinics, 1 other site and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Van Dam

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jacques Van Dam's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Van Dam practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
City of Hope Comprehensive Cancer Center - DuarteAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Jacques Van Dam is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. Van Dam's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Van Dam is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Van Dam's licenses on file in 3 states: California, Ohio and Massachusetts.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense 50435 · 2000 to 2026 · taxonomy 207RG0100X
  • Ohio license1990 to 2013
  • Massachusetts license1987 to 2005

Clinical focus

Dmand AI lists acid reflux, colonoscopy, gastroduodenitis, gastroenteritis, gastrointestinal bleeding, pancreas or bile duct endoscopy (ERCP) and upper GI endoscopy among the conditions Dr. Van Dam treats.

Gastroenterologists near Dr. Van Dam

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

1,977gastroenterologists in California
9gastroenterologists in Duarte

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

Dr. Jacques Van Dam billed Medicare for 136 services in 2024

CMS data shows 136 Medicare services from Dr. Van Dam across 7 procedure codes in 2024, for 127 Medicare patients. Medicare paid $15,613 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024136
Medicare patients127
Paid by Medicare$15,613
Procedure codes7

Dr. Van Dam's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 822024: 794%
Office and hospital visits
2023: 752024: 3356%
Imaging
2023: 02024: 24

Dr. Van Dam compared with the California median for gastroenterologists, 2024

  • Dr. Van Dam
  • California median
Medicare services
136vs 58677% below
Medicare patients
127vs 30258% below
Part D claims
17vs 38096% below

Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.

Dr. Van Dam's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Van Dam

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Jacques Van Dam treated 127 Medicare patients in 2024, average age 73

CMS counts 127 Medicare patients who saw Dr. Van Dam in 2024. The largest group is 65 to 74, with 64 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 2.28, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Van Dam's median patient age at 70, with 46% women.

Medicare patients, 2024127
Average age73
Average risk score2.28
Also on Medicaid43%

Dr. Van Dam's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Van Dam's Medicare patients by sex, 2024

  • Women6652%
  • Men6148%

Chronic conditions among Dr. Van Dam's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis56%
  4. Diabetes48%
  5. Ischemic heart disease43%
  6. Chronic kidney disease40%
  7. Mood disorders29%
  8. Cancer28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Van Dam's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women46%
  • Men54%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Jacques Van Dam wrote 33 Medicare Part D claims in 2024

In 2024, Dr. Van Dam wrote 33 Medicare Part D claims for 20 patients. 97% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $43 in total drug cost. In 2023, CMS named 21 claims across 1 drug.

Part D claims, 202433
Drugs named by CMS1
Total drug cost$43
Part D patients20

Dr. Van Dam's Part D claims by kind of drug, 2024

  • Generic32 claims97%
  • Brand-name and other1 claims3%

Dr. Van Dam's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Van Dam's Part D claims, 2024

  • Antibiotics58%19 of 33 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 212024: 1719%

Drugs named by CMS: 1 in 2024, 1 in 2023.

See all prescribing by Dr. Van Dam

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Jacques Van Dam ranks in the 60th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Van Dam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 41 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Van Dam, more than 60% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Van Dam ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
60th percentile41 procedures
Colonoscopy
41st percentile11 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Jacques Van Dam has 14 publications on record

Dmand AI links 14 papers to Dr. Van Dam, published from 2011 to 2025. 2014 was the busiest year, with 2. The most frequent topics are Breast Neoplasms. Dr. Van Dam's most frequent co-authors are James Leonard Buxbaum, MD, Shai Friedland, MD and Ara B. Sahakian, MD.

Papers14
Years published2011 to 2025

Dr. Van Dam's papers by year, 2011 to 2025

Topics Dr. Van Dam writes about most

  • Breast Neoplasms

Dr. Van Dam's most frequent co-authors

Recent publications by Dr. Van Dam

See all 14 publications and co-authors

See who Dr. Van Dam researches with

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

How network discovery works

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

Dr. Jacques Van Dam has worked on 4 clinical trials

Dmand AI links Dr. Van Dam to 4 clinical trials, 2 of them phase 2 studies. Conditions studied include Breast Neoplasms, Gastrointestinal Stromal Tumors and Pancreatic Cyst. NanOlogy, LLC sponsors the most, 2.

Conditions in Dr. Van Dam's trials

  • Breast Neoplasms
  • Gastrointestinal Stromal Tumors
  • Pancreatic Cyst
  • Pancreatic Neoplasms
  • Breast Diseases

Investigators on the most trials with Dr. Van Dam

Recent clinical trials with Dr. Van Dam

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

Dr. Jacques Van Dam received $25,283 in industry payments from 2016 to 2019

CMS Open Payments shows 13 general payments to Dr. Van Dam from 2 drug and device companies from 2016 to 2019. Consulting fees make up the largest share, 42% of the total. Boston Scientific Corporation paid the most, $25,120.

General payments to Dr. Van Dam by program year, 2016 to 2019

General payments to Dr. Van Dam by kind, 2016 to 2019

$25.3Kin total
  • Consulting fees$10,50042%
  • Travel and lodging$7,70630%
  • Speaker and faculty fees$6,60026%
  • Food and beverage$4772%

Companies that paid Dr. Van Dam the most, 2016 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Van Dam

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

Dr. Jacques Van Dam graduated from Georgetown University School Of Medicine

Dr. Van Dam graduated from Georgetown University School Of Medicine in 1984.

  1. Medical schoolGeorgetown University School Of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Jacques Van Dam accepts plans from 7 insurance carriers

Dr. Van Dam is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • Molina

Plan types Dr. Van Dam accepts, by number of carriers

  1. Medicare7
  2. PPO5
  3. HMO2
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Jacques Van Dam'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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)
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. Jacques Van Dam

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. Jacques Van Dam's NPI number?

Dr. Jacques Van Dam's NPI number is 1518001791. It was assigned on February 19, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Jacques Van Dam?

Dr. Jacques Van Dam is a gastroenterologist in Duarte, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Jacques Van Dam practice?

Dr. Van Dam practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Van Dam's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Van Dam to 1 hospital, 2 group practices and clinics, 1 other site and 1 medical group.

What is Dr. Jacques Van Dam's office phone number?

The practice phone on file for Dr. Van Dam is (626) 256-4673.

What is Dr. Jacques Van Dam's medical license number?

Dr. Van Dam holds California license 50435, one of the licenses on file in 3 states.

Which states has Dr. Jacques Van Dam been licensed in?

Dmand AI has state licenses on file for Dr. Van Dam in California (2000 to 2026), Ohio (1990 to 2013) and Massachusetts (1987 to 2005).

Which hospitals is Dr. Jacques Van Dam affiliated with?

Dr. Van Dam is affiliated with Keck Hospital of USC. Dmand AI links Dr. Van Dam to 1 more hospital.

What medical group is Dr. Jacques Van Dam part of?

Dr. Van Dam is linked to USC Care Medical Group. Dmand AI links Dr. Van Dam to 1 more medical group.

Does Dr. Jacques Van Dam accept Medicare?

Yes. CMS data shows Dr. Van Dam billed Medicare for 136 services in 2024, and Dr. Van Dam accepts Medicare assignment.

How many Medicare patients does Dr. Jacques Van Dam see?

CMS counts 127 Medicare patients who saw Dr. Van Dam in 2024, with an average age of 73.

Show 9 more questionsShow fewer questions

Is Dr. Jacques Van Dam board certified?

Yes. Dr. Van Dam is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Jacques Van Dam bill to Medicare?

In 2024, Dr. Van Dam's most billed Medicare services were surgery: digestive system (43239), diagnostic imaging (74328) and hospital inpatient care (99222).

Where did Dr. Jacques Van Dam go to medical school?

Dr. Van Dam graduated from Georgetown University School Of Medicine in 1984.

What drugs does Dr. Jacques Van Dam prescribe most?

In 2024 Medicare Part D data, Dr. Van Dam's most prescribed drugs by claims were Levofloxacin.

Has Dr. Jacques Van Dam received payments from drug or device companies?

CMS Open Payments shows $25,283 in general payments to Dr. Van Dam from 2 companies from 2016 to 2019. The largest total came from Boston Scientific Corporation.

How long has Dr. Jacques Van Dam been practicing?

Dr. Van Dam graduated from medical school in 1984, 42 years ago.

Does Dr. Jacques Van Dam do research?

Dmand AI links 14 publications to Dr. Van Dam, published from 2011 to 2025. Dr. Van Dam has worked on 4 clinical trials.

Who does Dr. Jacques Van Dam publish with?

Dr. Van Dam's most frequent co-authors are James Leonard Buxbaum, MD (3 shared papers), Shai Friedland, MD (2 shared papers) and Ara B. Sahakian, MD (2 shared papers).

What insurance does Dr. Jacques Van Dam accept?

Dr. Van Dam is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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