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Internal Medicine - Gastroenterology Specialists in Olympia Fields, IL

Browse 7 Internal Medicine - Gastroenterology providers listed in NPPES with a practice address in Olympia Fields, Illinois.

7 Healthcare Providers

How Olympia Fields compares with the U.S.

7 active clinicians in Internal Medicine - Gastroenterology list a practice address in Olympia Fields, IL in the NPI registry.

Olympia Fields has fewer than 10,000 residents, so rates per 100,000 people change a lot with each clinician and are not compared here.

Too few clinicians in Internal Medicine - Gastroenterology in Olympia Fields are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.

These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.

Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com ยท Methodology

Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.

Showing 1โ€“7 of 7 providers
With recent CMS data first, then Aโ€“Z

Dr. Amer Alsamman , MD

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment
3700 W 203rd St Ste 201, Olympia Fields, IL 604611182
Phone: 7088522780
NPI Identifier 1558701540
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Dr. Adrienne Fregia , MD

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment
3700 W 203rd St Ste 201, Olympia Fields, IL 604611182
Phone: 7086792380
NPI Identifier 1477653111
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Dr. Mustafa Nawaz , DO

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
20201 Crawford Ave, Attn: Postdoctoral Education, Olympia Fields, IL 604611010
Phone: 7087474000
NPI Identifier 1245597475
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Dr. Tilemahos D Spyratos , DO

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment
3700 W 203rd St Ste 201, Olympia Fields, IL 604611182
Phone: 7086792380
NPI Identifier 1295055291
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Dr. Richard Aaronson , MD

Internal Medicine - Gastroenterology

Active NPI Status
3700 W 203rd St, Ste 302, Olympia Fields, IL 604611180
Phone: 7086792600
NPI Identifier 1578520656
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Nicholas G Baur

Internal Medicine - Gastroenterology

Active NPI Status Accepts Medicare Assignment
20201 Crawford Ave, Olympia Fields, IL 604611010
Phone: 7087474000
NPI Identifier 1144783309
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Dr. Pinhas Sharon , MD

Internal Medicine - Gastroenterology

Active NPI Status
3700 203rd St, Suite 201, Olympia Fields, IL 60461
Phone: 7087988112
NPI Identifier 1295759645
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Frequently Asked Questions about Internal Medicine - Gastroenterology in Olympia Fields

How do I check a Internal Medicine - Gastroenterology practitioner's license?

Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the Illinois licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.

Why is a practitioner missing from this list?

This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.

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