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

Mitchell Leslie Cassel, DO

Individual provider Optometrist · NPI 1336217827

Mitchell Leslie Cassel, DO is an Optometry in New York, New York. Graduated from Pennsylvania College of Optometry in 1982, 44 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New York.

Years since qualifying
44
Trained at
Pennsylvania College of Optometry
Licensed in
NY
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

63 W 49th St
New York, NY 10112
Phone: (212) 765-4444
Fax: (212) 765-4459
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence UT004231-1 (NY)

Record details

NPI number1336217827
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedDecember 1, 2006
Last updated in NPPESAugust 4, 2025
Certification dateAugust 4, 2025

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolPENNSYLVANIA COLLEGE OF OPTOMETRY
Graduated 1982 (44 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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