Individual provider · Type 1 NPI
Mark David Horowitz, MD
Internal Medicine Physician · New York, NY
Practice location
21 East 90th St
New York, NY 10128
Fax (212) 410-7410
Specialties and licenses
| Taxonomy | Code | License |
|---|---|---|
| Internal Medicine Physician Primary | 207R00000X | 1613581 (NY) |
| Rheumatology Physician | 207RR0500X | 1613581 (NY) |
Internal Medicine Physician: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medi…
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About NPI 1154490530
Mark David Horowitz, MD's National Provider Identifier is 1154490530, issued on Nov 7, 2006. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in New York, NY. The record was last updated on Sep 11, 2025.