Diego Izquierdo Veraza, MD
Gastroenterology Physician · Chicago, IL
Diego Izquierdo Veraza, MD is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1801526660, issued on Jun 14, 2022. Check the license (Illinois 036.175493, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Diego Izquierdo Veraza
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036.175493 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
- Jun 14, 2022
- Record last updated
- Jun 16, 2025
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
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.
- Dabin Choi, MDGastroenterology Physician1558949321
Verify Diego Izquierdo Veraza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.175493Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average gastroenterology physician in 2024
115 Medicare Part D claims for 24 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Metoprolol Succinate11 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.
Diego Izquierdo Veraza among 887 gastroenterology physician records in Illinois
Diego Izquierdo Veraza, 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 2022, is newer than 96% of them.
- NPI issued2022 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2025 · 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.
All 887 in Illinois → Every provider in Chicago → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Frida Abrahamian, MDChicago, IL 606121447274279
- Purnima Balachandran, MDChicago, IL 606121659318509
- Michael Brown, M.D.Chicago, IL 606121265477293
- Keith Bruninga, M.D.Chicago, IL 606121881638823
- Mark Demeo, M.D.Chicago, IL 606121972549327
- Mohammad Fayyaz, MDChicago, IL 606121992731616
- Benjamin Go, M.D.Chicago, IL 606121982624946
- Ali Keshavarzian, M.D.Chicago, IL 606121558302257
Common questions
What is Diego Izquierdo Veraza, MD's NPI number?
Diego Izquierdo Veraza, MD's National Provider Identifier (NPI) is 1801526660, issued on Jun 14, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Diego Izquierdo Veraza, 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 Diego Izquierdo Veraza, MD's license?
NPPES lists Illinois license number 036.175493, 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 Diego Izquierdo Veraza, MD prescribe under Medicare Part D?
In 2024, Diego Izquierdo Veraza, MD had 115 Medicare Part D claims for 24 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.