Organization · Type 2 NPI
Perumal Raja Thiyagarajan MD Internal Medicine PLLC
Internal Medicine Physician · Melville, NY
Practice location
201 Old Country Rd Ste 170
Melville, NY 11747-2732
Specialties and licenses
| Taxonomy | Code | License |
|---|---|---|
| Internal Medicine Physician Primary | 207R00000X | None listed |
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 1295694727
Perumal Raja Thiyagarajan MD Internal Medicine PLLC's National Provider Identifier is 1295694727, issued on Jan 20, 2026. The primary taxonomy on file is Internal Medicine Physician (207R00000X), and the practice location is in Melville, NY. The record was last updated on May 6, 2026.