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

Individual provider Ophthalmology Physician · NPI 1194900365

Dr. Alexander Llinas, MD, PHD is an Ophthalmology in East Setauket, New York. Graduated from New York University School of Medicine in 2002, 24 years ago. Practices with Sight Medical Doctors PLLC, a 114-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
24
Trained at
New York University School of Medicine
Licensed in
NY
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

3400 Nesconset Hwy Ste 107
East Setauket, NY 11733-3327
Phone: (631) 751-2020
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 246078 (NY)

Record details

NPI number1194900365
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedJanuary 7, 2008
Last updated in NPPESJune 27, 2012

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Sight Medical Doctors Pllc — 114 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in East Setauket