Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Perumal Thiyagarajan, MD

Individual provider Internal Medicine Physician · NPI 1760811582

Dr. Perumal Thiyagarajan, MD is an Internal Medicine in New Brunswick, New Jersey. Qualified in 2012, 14 years ago. Practices with Nightwatch Medicine PLLC, an 8-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
14
Licensed in
NY
In the registry since
2013
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

254 Easton Ave
New Brunswick, NJ 08901-1766
Phone: (732) 745-8600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 294128 (NY)

Record details

NPI number1760811582
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 2, 2013
Last updated in NPPESJanuary 20, 2026
Certification dateJanuary 20, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Nightwatch Medicine Pllc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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