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

Dr. Diane Christine Cornell McCoy, OD

Individual provider Optometrist · NPI 1033258405

Dr. Diane Christine Cornell McCoy, OD is an Optometry in Westfield, New York. Graduated from State University of New York - State College Optometry in 1988, 38 years ago. Practices with Westfield Optical Studio LLC, a 2-clinician group and accepts Medicare assignment. Licensed in New York and Pennsylvania.

Years since qualifying
38
Trained at
State University of New York - State College Optometry
Licensed in
NY, PA
In the registry since
2007
Specialties on file
2
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

See every abbreviation used in this directory →

Practice location Address checks out

105 E Main St
Westfield, NY 14787-1306
Phone: (716) 793-2020
Fax: (713) 793-3030
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence TUV004891 (NY)
Optometrist Taxonomy 152W00000X · Licence OEG000794 (PA)

Record details

NPI number1033258405
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedFebruary 5, 2007
Last updated in NPPESJanuary 26, 2018

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolSTATE UNIVERSITY OF NEW YORK - STATE COLLEGE OPTOMETRY
Graduated 1988 (38 years in practice)
Group practice Westfield Optical Studio Llc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Westfield