NPPES file of Aug 9, 2026

David Choi, D.O.

Gastroenterology Physician · Irvine, CA

David Choi, D.O. is a gastroenterology physician with a practice address in Irvine, California, and NPI 1922490044, issued on Feb 26, 2015. Check the license (California 20A16519, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922490044
Name
David Choi
Credential
D.O.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
20A16519 CA
Self-reported in NPPES; status is on the state search
Practice location
113 Waterworks Way Ste 155, Irvine, CA 92618
Phone
(949) 612-9090
Enumerated
Feb 26, 2015
Record last updated
Feb 3, 2022
Fax
(949) 612-9091
Medicare enrollment
Enrolled (PECOS I20190128001779); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 113 Waterworks Way Ste 155

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Heba Ashraf, MDGastroenterology Physician1720492267
  2. Shahrooz BemanianGastroenterology Physician1629123070
  3. Keyvan Farhad, NDNaturopath1225775612
  4. Grace Liu, NPFamily Nurse Practitioner1740994797
  5. Khatere Naderi-Ashour, AGNPNurse Practitioner1295446078
  6. Yasaman ShakeranehPhysician Assistant1093541435

Verify David Choi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A16519
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% fewer Medicare Part D claims than the average gastroenterology physician in 2024

166 Medicare Part D claims for 113 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. David Choi166
  2. Specialty average811

Most prescribed

  1. Sod Sulf-Potass Sulf-Mag Sulf65 claims
  2. Pantoprazole Sodium30 claims
  3. Omeprazole11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,297.57

45 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Choi$1,297.57
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Digestive Disease Consultants OF Orange County IncIrvine, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Choi among 2,140 gastroenterology physician records in California

David Choi, D.O. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 85% of them.

  • NPI issued2015 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2015 · median 2002 among the 1,538 with a school on file
  • Record last updated2022 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Ardalan Babaknia, MDIrvine, CA 926181366527491
  2. Shahrooz BemanianIrvine, CA 926181629123070
  3. You-Jen Chou, MDIrvine, CA 926181104070887
  4. Lino Deguzman, M.D.Irvine, CA 926181346324720
  5. John Hoefs, MDIrvine, CA 926181154425742
  6. David Kaufman, D.O.Irvine, CA 926181508893363
  7. Herbert Lee, MDIrvine, CA 926181740206689
  8. Paul Lee, MDIrvine, CA 926181760531693

Common questions

What is David Choi, D.O.'s NPI number?

David Choi, D.O.'s National Provider Identifier (NPI) is 1922490044, issued on Feb 26, 2015. An NPI identifies a provider in billing; it is not a license.

Where is David Choi, D.O. located?

The NPPES record lists a practice address at 113 Waterworks Way Ste 155, Irvine, CA, 92618. Phone: (949) 612-9090. Providers update this record themselves, so call before visiting.

How can I verify David Choi, D.O.'s license?

NPPES lists California license number 20A16519, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Choi, D.O. prescribe under Medicare Part D?

In 2024, David Choi, D.O. had 166 Medicare Part D claims for 113 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is David Choi, D.O.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.