Dr. David Jacob Kaufman, DO

  • Irvine, CA
  • Gastroenterologist
NPI1508893363PAC ID0749262160
Medicare services, 2024
1,484
Medicare patients, 2024
696
Part D claims, 2024
1,959
Publications
8
MIPS score, 2024
79
Practice address
18 Endeavor, Irvine, CA 92618
Practice phone
Call (949) 630-0621
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Orange County Urology Surgical Center

Irvine, California

See all 4 affiliations

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Dr. David Jacob Kaufman is a gastroenterologist in Irvine, California

Dr. Kaufman practices at Orange County Urology Surgical Center in Irvine, California.

Dr. Kaufman's NPI, 1508893363, was assigned on June 27, 2006. Dr. Kaufman graduated from Des Moines University in 1998. Dr. Kaufman holds California license 20A8799.

NPI and contact details
Medicare PAC ID
0749262160
NPI enumeration date
June 27, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(949) 630-0621
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
54
Medical school graduation
1998

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

Dr. David Jacob Kaufman practices at Orange County Urology Surgical Center in Irvine, California

Dr. Kaufman's primary practice is Orange County Urology Surgical Center, at 18 Endeavor, Irvine, CA 92618 in Orange County. The practice phone is (949) 630-0621.

  • Orange County Urology Surgical Center
    18 Endeavor, Irvine, CA 92618 · Orange CountyPhone(949) 630-0621

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

Dr. David Jacob Kaufman is affiliated with 3 sites of care and 1 medical group

Dr. Kaufman's primary practice is Orange County Urology Surgical Center in Irvine, California. Dr. Kaufman is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Pacific Coast Gastroenterology. Dmand AI also links Dr. Kaufman to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Kaufman

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

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kaufman practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Orange County Urology Surgical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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

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

Specialties and state licenses

  • Gastroenterology, CaliforniaPrimaryLicense 20A8799 · 2004 to 2026 · taxonomy 207RG0100X

Clinical focus

Dmand AI lists acid reflux, chronic indigestion, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, gastroenteritis, gastrointestinal bleeding and hemorrhoids among the conditions Dr. Kaufman treats.

Gastroenterologists near Dr. Kaufman

Counts of gastroenterologists 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. David Jacob Kaufman billed Medicare for 1,484 services in 2024

CMS data shows 1,484 Medicare services from Dr. Kaufman across 13 procedure codes in 2024, for 696 Medicare patients. Medicare paid $136,870 for them.

Medicare services, 20241,484
Medicare patients696
Paid by Medicare$136,870
Procedure codes13

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

  • 2023
  • 2024
Office and hospital visits
2023: 6342024: 5818%
Surgery
2023: 4792024: 5209%
Other services
2023: 3382024: 38313%

Where Dr. Kaufman's Medicare services took place, 2024

  • In an office58139%
  • In a facility90361%

Dr. Kaufman compared with the California median for gastroenterologists, 2024

  • Dr. Kaufman
  • California median
Medicare services
1,484vs 5862.5 times
Medicare patients
696vs 3022.3 times
Part D claims
1,816vs 3804.8 times

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

Dr. Kaufman'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. Kaufman

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

Dr. David Jacob Kaufman treated 696 Medicare patients in 2024, average age 74

CMS counts 696 Medicare patients who saw Dr. Kaufman in 2024. The largest group is 65 to 74, with 369 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Kaufman's median patient age at 65, with 50% women.

Medicare patients, 2024696
Average age74
Average risk score1.03
Also on Medicaid5%

Dr. Kaufman's Medicare patients by age, 2024

Dr. Kaufman's Medicare patients by sex, 2024

  • Women39356%
  • Men30344%

Chronic conditions among Dr. Kaufman's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure65%
  3. Arthritis47%
  4. Diabetes23%
  5. Cancer22%
  6. Ischemic heart disease22%
  7. Osteoporosis22%
  8. Anxiety21%

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

Dr. Kaufman's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women50%
  • Men48%

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

Dr. David Jacob Kaufman wrote 1,959 Medicare Part D claims in 2024

In 2024, Dr. Kaufman wrote 1,959 Medicare Part D claims for 491 patients. 92% of them were for generic drugs. CMS names the drug for 1,816 of them, across 31 drugs with 11 or more claims each, at $219,282 in total drug cost. In 2023, CMS named 1,907 claims across 32 drugs.

Part D claims, 20241,959
Drugs named by CMS31
Total drug cost$219,282
Part D patients491

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

  • Generic1,801 claims92%
  • Brand-name158 claims8%

Dr. Kaufman'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. Kaufman's Part D claims, 2024

  • Antibiotics5%103 of 1,959 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: 1,9072024: 1,8165%

Drugs named by CMS: 31 in 2024, 32 in 2023.

See all prescribing by Dr. Kaufman

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. David Jacob Kaufman scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Kaufman for performance year 2024, reported individually. Dr. Kaufman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kaufman as offering telehealth. CMS counts 395 procedures of colonoscopy by Dr. Kaufman, more than 98% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Kaufman's MIPS scores, performance year 2024

  • 79of 100Final score
  • 48.4of 100Quality
  • 40of 100Improvement Activities
  • 100of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Kaufman ranks in Medicare procedure volume

Colonoscopy
98th percentile395 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
90th percentile201 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Dr. David Jacob Kaufman has 8 publications on record

Dmand AI links 8 papers to Dr. Kaufman, published from 2010 to 2021. 2012 was the busiest year, with 3. Dr. Kaufman's most frequent co-authors are David Kaufman, MD, Nancy E. Amoroso, MD and Luis F. Angel, MD.

Papers8
Years published2010 to 2021

Dr. Kaufman's papers by year, 2010 to 2021

Dr. Kaufman's most frequent co-authors

Recent publications by Dr. Kaufman

See all 8 publications and co-authors

See who Dr. Kaufman researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kaufman 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. David Jacob Kaufman received $5,813 in industry payments from 2016 to 2025

CMS Open Payments shows 320 general payments to Dr. Kaufman from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $3,528.

General payments to Dr. Kaufman by program year, 2016 to 2025

General payments to Dr. Kaufman by kind, 2016 to 2025

$5.8Kin total
  • Food and beverage$5,76399%
  • Education$501%

Companies that paid Dr. Kaufman the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Kaufman

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

Dr. David Jacob Kaufman has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Kaufman, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Kaufman

  1. 2013
    • CMS Stage 1 EHR
  2. Undated
    • Checkbook Top Doc

Source: Dmand AI Professional Profile Data

Dr. David Jacob Kaufman graduated from Des Moines University

Dr. Kaufman graduated from Des Moines University in 1998.

  1. Medical schoolDes Moines University
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. David Jacob Kaufman accepts plans from 14 insurance carriers

Dr. Kaufman is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • Regence Health Plans
  • +6 more carriersWith a free account

Plan types Dr. Kaufman accepts, by number of carriers

  1. PPO10
  2. Medicare8
  3. HMO6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. David Jacob Kaufman'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 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)Clinician Public Reporting: Overall MIPS Performance (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
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. David Jacob Kaufman

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. David Jacob Kaufman's NPI number?

Dr. David Jacob Kaufman's NPI number is 1508893363. It was assigned on June 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David Jacob Kaufman?

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

Where does Dr. David Jacob Kaufman practice?

Dr. Kaufman practices at 18 Endeavor, Irvine, CA 92618. Dr. Kaufman's primary practice is Orange County Urology Surgical Center in Irvine, California. Dmand AI also links Dr. Kaufman to 1 group practice or clinic.

What is Dr. David Jacob Kaufman's office phone number?

The practice phone on file for Dr. Kaufman is (949) 630-0621.

What is Dr. David Jacob Kaufman's medical license number?

Dr. Kaufman holds California license 20A8799.

Which hospitals is Dr. David Jacob Kaufman affiliated with?

Dr. Kaufman is affiliated with Hoag Hospital Newport Beach.

What medical group is Dr. David Jacob Kaufman part of?

Dr. Kaufman is linked to Pacific Coast Gastroenterology.

Does Dr. David Jacob Kaufman accept Medicare?

Yes. CMS data shows Dr. Kaufman billed Medicare for 1,484 services in 2024, and Dr. Kaufman accepts Medicare assignment.

Does Dr. David Jacob Kaufman offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Kaufman as offering telehealth services.

What is Dr. David Jacob Kaufman's MIPS score?

Dr. Kaufman's MIPS final score for performance year 2024 is 79 out of 100, reported individually.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. David Jacob Kaufman see?

CMS counts 696 Medicare patients who saw Dr. Kaufman in 2024, with an average age of 74.

Is Dr. David Jacob Kaufman board certified?

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

What services does Dr. David Jacob Kaufman bill to Medicare?

In 2024, Dr. Kaufman's most billed Medicare services were medicare service (G0500), surgery: digestive system (45380) and office visit, established patient (99214).

Where did Dr. David Jacob Kaufman go to medical school?

Dr. Kaufman graduated from Des Moines University in 1998.

What drugs does Dr. David Jacob Kaufman prescribe most?

In 2024 Medicare Part D data, Dr. Kaufman's most prescribed drugs by claims were Famotidine, Pantoprazole Sodium and Omeprazole.

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

CMS Open Payments shows $5,813 in general payments to Dr. Kaufman from 24 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. David Jacob Kaufman been practicing?

Dr. Kaufman graduated from medical school in 1998, 28 years ago.

Does Dr. David Jacob Kaufman do research?

Dmand AI links 8 publications to Dr. Kaufman, published from 2010 to 2021.

Who does Dr. David Jacob Kaufman publish with?

Dr. Kaufman's most frequent co-authors are David Kaufman, MD (2 shared papers), Nancy E. Amoroso, MD (1 shared paper) and Luis F. Angel, MD (1 shared paper).

What insurance does Dr. David Jacob Kaufman accept?

Dr. Kaufman is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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