NPPES file of Aug 9, 2026

Dabin Choi, MD

Gastroenterology Physician · Chicago, IL

Dabin Choi, MD is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1558949321, issued on Mar 31, 2021. Check the license (Illinois 036170788, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1558949321
Name
Dabin Choi
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
036170788 IL
Self-reported in NPPES; status is on the state search
Practice location
1725 W Harrison St Ste 206, Chicago, IL 60612
Phone
(312) 563-4479
Enumerated
Mar 31, 2021
Record last updated
Jul 7, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1725 W Harrison St Ste 206

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

  1. Diego Izquierdo Veraza, MDGastroenterology Physician1801526660

Verify Dabin Choi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036170788
    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 Illinois license search

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85% fewer Medicare Part D claims than the average gastroenterology physician in 2024

119 Medicare Part D claims for 28 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Dabin Choi119
  2. Specialty average811

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.

Industry payments in 2024: $204.64

4 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. 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. Dabin Choi$204.64
  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.

Dabin Choi among 887 gastroenterology physician records in Illinois

Dabin Choi, MD is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 95% of them.

  • NPI issued2021 · 95% of these records are older, 4% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2024 · 49% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Illinois

There are 887 gastroenterology physician records in Illinois.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Frida Abrahamian, MDChicago, IL 606121447274279
  2. Purnima Balachandran, MDChicago, IL 606121659318509
  3. Michael Brown, M.D.Chicago, IL 606121265477293
  4. Keith Bruninga, M.D.Chicago, IL 606121881638823
  5. Mark Demeo, M.D.Chicago, IL 606121972549327
  6. Mohammad Fayyaz, MDChicago, IL 606121992731616
  7. Benjamin Go, M.D.Chicago, IL 606121982624946
  8. Ali Keshavarzian, M.D.Chicago, IL 606121558302257

Common questions

What is Dabin Choi, MD's NPI number?

Dabin Choi, MD's National Provider Identifier (NPI) is 1558949321, issued on Mar 31, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Dabin Choi, MD located?

The NPPES record lists a practice address at 1725 W Harrison St Ste 206, Chicago, IL, 60612. Phone: (312) 563-4479. Providers update this record themselves, so call before visiting.

How can I verify Dabin Choi, MD's license?

NPPES lists Illinois license number 036170788, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Dabin Choi, MD prescribe under Medicare Part D?

In 2024, Dabin Choi, MD had 119 Medicare Part D claims for 28 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

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.