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Internal Medicine - Rheumatology Specialists in Tenafly, NJ

Browse 1 Internal Medicine - Rheumatology providers listed in NPPES with a practice address in Tenafly, New Jersey.

1 Healthcare Providers

How Tenafly compares with the U.S.

1 active clinicians in Internal Medicine - Rheumatology list a practice address in Tenafly, NJ in the NPI registry.

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

None of the clinicians in Internal Medicine - Rheumatology in Tenafly are listed in the CMS Medicare file.

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 Registry addresses can be out of date.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.

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Dr. Mark Louis Horn , MD, MPH

Internal Medicine - Rheumatology

Active NPI Status
124 Oxford Dr, Tenafly, NJ 076703116
Phone: 2018719230
NPI Identifier 1629106380
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Frequently Asked Questions about Internal Medicine - Rheumatology in Tenafly

How do I check a Internal Medicine - Rheumatology 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 New Jersey 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 Tenafly

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