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

Dr. Gwenda Renee Gnadt, OD, MPH

Individual provider Optometrist · NPI 1689676728

Dr. Gwenda Renee Gnadt, OD, MPH is an Optometry in Nesconset, New York. Graduated from University Alabama Birmingham - School of Optometry in 1991, 35 years ago. Practices with Eye Vision Associates LLP, a 5-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
35
Trained at
University Alabama Birmingham - School of Optometry
Licensed in
NY
In the registry since
2005
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

271 Smithtown Blvd
Nesconset, NY 11767-2041
Phone: (631) 588-5100
Fax: (631) 588-5185
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence V5220 (NY)

Record details

NPI number1689676728
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD , MPH
Sole proprietorNo
NPI enumeratedJune 1, 2005
Last updated in NPPESDecember 5, 2018

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolUNIVERSITY ALABAMA BIRMINGHAM - SCHOOL OF OPTOMETRY
Graduated 1991 (35 years in practice)
Group practice Eye Vision Associates Llp — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Nesconset