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

Matthew D. Karl, MD

Individual provider Ophthalmology Physician · NPI 1154716959

Matthew D. Karl, MD is an Ophthalmology in East Setauket, New York. Graduated from State University of New York Downstate Medical Center in 2015, 11 years ago. Practices with Sight Medical Doctors PLLC, a 114-clinician group and accepts Medicare assignment. Licensed in New York and Ohio.

Years since qualifying
11
Trained at
State University of New York Downstate Medical Center
Licensed in
NY, OH
In the registry since
2015
Specialties on file
3
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

33 Research Way Ste 13
East Setauket, NY 11733-3489
Phone: (631) 444-0650
Fax: (614) 293-4719
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Retina Specialist (Ophthalmology) Physician (primary) Taxonomy 207WX0107X · Licence 291790 (NY)
Ophthalmology Physician Taxonomy 207W00000X · Licence 35135581 (OH)
Retina Specialist (Ophthalmology) Physician Taxonomy 207WX0107X · Licence 35135581 (OH)

Record details

NPI number1154716959
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2015
Last updated in NPPESJanuary 4, 2023
Certification dateJanuary 4, 2023
Mailing address33 Research Way Ste 13, East Setauket, NY 11733-3489

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 2015 (11 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