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Internal Medicine Providers in Ottawa, IL

Browse 8 Internal Medicine providers listed in NPPES with a practice address in Ottawa, Illinois.

8 Healthcare Providers

How Ottawa compares with the U.S.

8 active clinicians in Internal Medicine list a practice address in Ottawa, 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 Ottawa 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 Registry addresses can be out of date.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€“8 of 8 providers
With recent CMS data first, then Aโ€“Z

Dr. Athar Baig , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
1100 E Norris Dr, Ottawa, IL 613501604
Phone: 8154333100
NPI Identifier 1649852492
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Dr. Peter Borek , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
1100 E Norris Dr, Ottawa, IL 613501604
Phone: 8154333100
NPI Identifier 1962176081
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Dr. Cynthia Asuncion Cabalfin , MD

Internal Medicine

Active NPI Status
1614 E Norris Dr, Ottawa, IL 613503681
Phone: 8154331010
NPI Identifier 1497708382
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Dr. Raul V Guerrero , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
1614 E Norris Dr, Ottawa, IL 613503681
Phone: 8154331010
NPI Identifier 1053307660
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Dr. Robert B Maguire , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
3056 E 1825th Rd, Ottawa, IL 613509037
Phone: 8154881013
NPI Identifier 1174571673
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Dr. David O Manigold , MD

Internal Medicine

Active NPI Status
1614 E Norris Dr, Ottawa, IL 613503681
Phone: 8154331010
NPI Identifier 1346299641
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Dr. Neil Pandya , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
1100 E Norris Dr, Ottawa, IL 61350
Phone: 8154315454
NPI Identifier 1124403050
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Dr. Raihan Aziz Sayeed , MD

Internal Medicine

Active NPI Status Accepts Medicare Assignment
1100 E Norris Dr, Ottawa, IL 613501604
Phone: 8154315454
NPI Identifier 1053998526
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Frequently Asked Questions about Internal Medicine in Ottawa

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 Ottawa

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