Antony Hsieh
Gastroenterology Physician · Chicago, IL
Antony Hsieh is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1629495593, issued on Mar 27, 2014. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Antony Hsieh
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 1020675 MA
Self-reported in NPPES; status is on the state search - Practice location
- 240 E Huron St, Chicago, IL 60611
- Phone
- (312) 503-7975
- Enumerated
- Mar 27, 2014
- Record last updated
- Jun 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20250708002865); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 240 E Huron St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Zachary AbecassisStudent in an Organized Health Care Education/Training Program1972968147
- Akash Adhia, MDSurgery Physician1639626138
- Raveena AggarwalStudent in an Organized Health Care Education/Training Program1730735085
- Madeleine Alder, MDCardiovascular Disease Physician1992170526
- Russell AvellanaPhysician Assistant1417343278
- Jonathan Bacos, STUDENTStudent in an Organized Health Care Education/Training Program1265987440
Verify Antony Hsieh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mass General Brigham Medical Group Northern Massachusetts IncSalem, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Antony Hsieh among 887 gastroenterology physician records in Illinois
Antony Hsieh 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 2014, is newer than 74% of them.
- NPI issued2014 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2014 · median 2003 among the 643 with a school on file
- 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
- Greg Cohen, M.D.Chicago, IL 606111669447348
- Maria Ferreira, MDChicago, IL 606111194755421
- Robin Fintel, M.D.Chicago, IL 606111023083250
- Steven Flamm, MDChicago, IL 606111912937244
- Melvin Goldstein, M.D.Chicago, IL 606111376531400
- Nirmala Gonsalves, MDChicago, IL 606111326038712
- Richard Green, MDChicago, IL 606111770511404
- Joseph Karacic, MDChicago, IL 606111992798417
Common questions
What is Antony Hsieh's NPI number?
Antony Hsieh's National Provider Identifier (NPI) is 1629495593, issued on Mar 27, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Antony Hsieh located?
The NPPES record lists a practice address at 240 E Huron St, Chicago, IL, 60611. Phone: (312) 503-7975. Providers update this record themselves, so call before visiting.
How can I verify Antony Hsieh's license?
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.
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.