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

Dr. John T Hammersmith, OD

Individual provider Optometrist · NPI 1245231067

Dr. John T Hammersmith, OD is an Optometry in Williamsville, New York. Graduated from Pennsylvania College of Optometry in 1993, 33 years ago. Practices with Eye Care and Vision Associates Ophthalmology LLP, a 9-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
33
Trained at
Pennsylvania College 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.

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Practice location Address checks out

811 Maple Rd
Williamsville, NY 14221-3260
Phone: (716) 631-8888
Fax: (716) 631-3803
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 005495 (NY)

Record details

NPI number1245231067
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedAugust 2, 2005
Last updated in NPPESNovember 2, 2016

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolPENNSYLVANIA COLLEGE OF OPTOMETRY
Graduated 1993 (33 years in practice)
Group practice Eye Care And Vision Associates Ophthalmology Llp — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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