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Internal Medicine Providers in Freeport, IL

Browse 7 Internal Medicine providers listed in NPPES with a practice address in Freeport, Illinois.

7 Healthcare Providers

How Freeport compares with the U.S.

7 active clinicians in Internal Medicine list a practice address in Freeport, 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 Freeport 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 Registry addresses can be out of date.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. Renu Dosi , MD

Internal Medicine

Active NPI Status
1010 Fairway Dr, Freeport, IL 610326600
Phone: 8155997740
NPI Identifier 1073522140
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Dr. Alan Esker , MD

Internal Medicine

Active NPI Status
1010 Fairway Dr, Freeport, IL 610326600
Phone: 8155997740
NPI Identifier 1831159698
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Dr. Marie A Heimerdinger , MD

Internal Medicine

Active NPI Status
1301 Kiwanis Dr, Freeport, IL 610326907
Phone: 8152354881
NPI Identifier 1952400442
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Dr. Diana Carol Mcnulty , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment Telehealth Services Available
1010 Fairway Dr, Freeport, IL 610326600
Phone: 8155997880
NPI Identifier 1215900105
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Dr. Diann D Bennett , MD

Internal Medicine

Active NPI Status
25 N Harlem Ave, Freeport, IL 610323801
Phone: 8155996000
NPI Identifier 1326010083
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Dr. Eugene Michael Gaertner , MD

Internal Medicine

Active NPI Status
1036 W Stephenson St, Freeport, IL 610324865
Phone: 8155997410
NPI Identifier 1053387472
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Dr. William C Sharelis , MD

Internal Medicine

Active NPI Status
750 Kiwanis Dr, Freeport, IL 610327119
Phone: 8155996000
NPI Identifier 1487620803
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Frequently Asked Questions about Internal Medicine in Freeport

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.

Other Specialties in Freeport

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