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

Individual provider Optometrist · NPI 1275530834

Mark Hershowitz, OD is an Optometry in Watertown, New York. Graduated from Pennsylvania College of Optometry in 1983, 43 years ago. Practices with Costello Eye Physicians and Surgeons PLLC, an 11-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
43
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

53 Public Sq Ste 102
Watertown, NY 13601-2674
Phone: (315) 681-6379
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence TUV007244 (NY)

Record details

NPI number1275530834
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 28, 2005
Last updated in NPPESAugust 24, 2021
Certification dateAugust 24, 2021
Mailing address53 Public Sq Ste 102, Watertown, NY 13601-2674

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Also practisesOPHTHALMOLOGY
Medical schoolPENNSYLVANIA COLLEGE OF OPTOMETRY
Graduated 1983 (43 years in practice)
Group practice Costello Eye Physicians And Surgeons Pllc — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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