Dr. Donald David, MD

  • Duarte, CA
  • Gastroenterologist
NPI1588767131
Medicare services, 2017
373
Part D claims, 2024
12
Publications
9
Industry payments
$223
State license
1
Practice address
1500 E 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

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Dr. Donald David is a gastroenterologist in Duarte, California

Dr. David practices in Duarte, California.

Dr. David's NPI, 1588767131, was assigned on September 7, 2006. Dr. David graduated from UCSF School of Medicine in 1988. Dr. David holds California license A48296.

NPI and contact details
NPI enumeration date
September 7, 2006
NPI status
Active
Practice phone
(626) 256-4673
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Medical school graduation
1988

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

Dr. Donald David's practice address is in Duarte, California

Dr. David's practice address in the NPI Registry is 1500 E Duarte Rd, Duarte, CA 91010. The practice phone is (626) 256-4673.

  • NPI Registry address
    1500 E Duarte Rd, Duarte, CA 91010Phone(626) 256-4673

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

Dmand AI tracks the EHR system at Dr. Donald David's practice

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

EHR by site
SiteEHR vendor and product
Dr. David's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Donald David is one of 1,977 gastroenterologists in California

Gastroenterology is Dr. David's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. David is board certified in gastroenterology by the American Board of Internal Medicine. Dr. David is licensed in California.

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense A48296 · 1989 to 2026 · taxonomy 207RG0100X

Gastroenterologists near Dr. David

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. Donald David billed Medicare for 373 services in 2017

CMS data shows 373 Medicare services from Dr. David across 10 procedure codes in 2017. Medicare paid $27,895 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2017373
Paid by Medicare$27,895
Procedure codes10

Dr. David's Medicare services by type, 2016 to 2017

  • 2016
  • 2017
Office and hospital visits
2016: 5542017: 18666%
Surgery
2016: 2592017: 14046%
Tests and treatments
2016: 02017: 25
Other services
2016: 362017: 2239%

Dr. David compared with the California median for gastroenterologists, 2017

  • Dr. David
  • California median
Medicare services
373vs 58636% below
Part D claims
50vs 38087% below

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

Dr. David's most billed Medicare procedure codes, 2017

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

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

Dr. Donald David's patients have a median age of 70

Across all payers, Dmand AI patient panel data puts Dr. David's median patient age at 70, with 40% women.

Dr. David'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

  • Women40%
  • Men60%

Source: Dmand AI Patient Panel Data

Dr. Donald David wrote 12 Medicare Part D claims in 2024

In 2024, Dr. David wrote 12 Medicare Part D claims. 100% of them were for generic drugs. They cover 4 drugs, with $493 in total drug cost. In 2017, CMS named 720 claims across 26 drugs.

Part D claims, 202412
Drugs named by CMS4
Total drug cost$493

Dr. David's most prescribed drugs by claims, 2018

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

Part D claims for drugs CMS names, 2017 to 2018

  • 2017
  • 2018
Claims for drugs CMS names
2017: 7202018: 5093%

Drugs named by CMS: 4 in 2018, 26 in 2017.

See all prescribing by Dr. David

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

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Dr. Donald David has 9 publications on record

Dmand AI links 9 papers to Dr. David in 2016. The most frequent topics are Colorectal Neoplasms, Early Detection of Cancer and Bone Marrow Transplantation. Dr. David has published most often in J Natl Compr Canc Netw. Dr. David's most frequent co-authors are Moshe Shike, MD, Patrick M. Lynch, JD, MD and Jamie A. Cannon, MD.

Papers9

Topics Dr. David writes about most

  • Colorectal Neoplasms
  • Early Detection of Cancer
  • Bone Marrow Transplantation
  • Colonoscopy
  • Colorectal Neoplasms, Hereditary Nonpolyposis
  • Mass Screening

Dr. David's most frequent co-authors

Recent publications by Dr. David

See all 9 publications and co-authors

See who Dr. David researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. David 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. Donald David received $223 in industry payments from 2016 to 2024

CMS Open Payments shows 2 general payments to Dr. David from 2 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $125.

General payments to Dr. David by program year, 2016 to 2024

Companies that paid Dr. David the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. David

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

Dr. Donald David graduated from UCSF School of Medicine

Dr. David graduated from UCSF School of Medicine in 1988.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Donald David'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
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 Data
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Donald David

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. Donald David's NPI number?

Dr. Donald David's NPI number is 1588767131. It was assigned on September 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Donald David?

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

Where does Dr. Donald David practice?

Dr. David practices at 1500 E Duarte Rd, Duarte, CA 91010.

What is Dr. Donald David's office phone number?

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

What is Dr. Donald David's medical license number?

Dr. David holds California license A48296.

Does Dr. Donald David accept Medicare?

Yes. CMS data shows Dr. David billed Medicare for 373 services in 2017.

Is Dr. Donald David board certified?

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

What services does Dr. Donald David bill to Medicare?

In 2017, Dr. David's most billed Medicare services were office visit, established patient (99213), surgery: digestive system (43239) and office visit, new patient (99203).

Where did Dr. Donald David go to medical school?

Dr. David graduated from UCSF School of Medicine in 1988.

What drugs does Dr. Donald David prescribe most?

In 2018 Medicare Part D data, Dr. David's most prescribed drugs by claims were Lansoprazole, Escitalopram Oxalate and Gabapentin.

Show 4 more questionsShow fewer questions

Has Dr. Donald David received payments from drug or device companies?

CMS Open Payments shows $223 in general payments to Dr. David from 2 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Donald David been practicing?

Dr. David graduated from medical school in 1988, 38 years ago.

Does Dr. Donald David do research?

Dmand AI links 9 publications to Dr. David.

Who does Dr. Donald David publish with?

Dr. David's most frequent co-authors are Moshe Shike, MD (5 shared papers), Patrick M. Lynch, JD, MD (4 shared papers) and Jamie A. Cannon, MD (3 shared papers).

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