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Internal Medicine - Cardiovascular Diseases in Barrington, IL

Browse 6 Internal Medicine - Cardiovascular Disease providers listed in NPPES with a practice address in Barrington, Illinois.

6 Healthcare Providers

How Barrington compares with the U.S.

6 active clinicians in Internal Medicine - Cardiovascular Disease list a practice address in Barrington, IL in the NPI registry.

With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.

Too few clinicians in Internal Medicine - Cardiovascular Disease in Barrington 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 Registry addresses can be out of date.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€“6 of 6 providers
With recent CMS data first, then Aโ€“Z

Dr. Abas A Amiry , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment
102a Fox Glen Ct, Barrington, IL 600101805
Phone: 2248484353
NPI Identifier 1982613006
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Dr. Michael N Fortsas , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment
27750 W Highway 22 Ste 220, Barrington, IL 600101924
Phone: 8152065700
NPI Identifier 1497764518
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Taha Ahmed Mohiuddin

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment
27750 W Highway 22 Ste 220, Barrington, IL 600101924
Phone: 8473677171
NPI Identifier 1346090628
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Dr. Douglas A Tomasian , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
600 Hart Rd Ste 100, Barrington, IL 600102662
Phone: 8154778900
NPI Identifier 1922187756
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Dr. Thomas Michael Leskovac , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status
27750 W Highway 22, Suite 240, Barrington, IL 600102379
Phone: 8478291600
NPI Identifier 1407809338
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Dr. Randall Earl Williams , MD

Internal Medicine - Cardiovascular Disease

Active NPI Status
27750 W Highway 22, Suite 240, Barrington, IL 600102379
Phone: 8478291600
NPI Identifier 1720030646
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Frequently Asked Questions about Internal Medicine - Cardiovascular Disease in Barrington

How do I check a Internal Medicine - Cardiovascular Disease 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.