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Internal Medicine Providers in Mt Prospect, IL

Browse 6 Internal Medicine providers listed in NPPES with a practice address in Mt Prospect, Illinois.

6 Healthcare Providers

How Mt Prospect compares with the U.S.

6 active clinicians in Internal Medicine list a practice address in Mt Prospect, 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 in Mt Prospect 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 Registry addresses can be out of date.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. Harbans S Mavi , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
999 N Elmhurst Rd, Mt Prospect, IL 60056
Phone: 8476700800
NPI Identifier 1710052436
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Dr. Andreas Seidler , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
199 W Rand Rd Ste 203, Mt Prospect, IL 600561157
Phone: 8476185450
NPI Identifier 1063438034
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Dr. Michelle M Seo , MD

Internal Medicine

Active NPI Status
199 W Rand Rd, Mt Prospect, IL 600561151
Phone: 8476185450
NPI Identifier 1437269545
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Dr. Evans R Sirois , DO

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
199 W Rand Rd Ste 203, Mt Prospect, IL 600561157
Phone: 8476185450
NPI Identifier 1356310262
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Dr. Thomas C Reese , MD

Internal Medicine

Active NPI Status
1060 S Elmhurst Rd, Mt Prospect, IL 600564240
Phone: 6306909326
NPI Identifier 1053482877
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Dr. Mark C. Shields , MD

Internal Medicine

Active NPI Status
1661 Feehanville Dr, Suite 200, Mt Prospect, IL 600566087
Phone: 8476354447
NPI Identifier 1306902994
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Frequently Asked Questions about Internal Medicine in Mt Prospect

How do I check a Internal Medicine 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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