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

Individual provider Optometrist · NPI 1487182010

Dr. Cassandra Lynne Mark, OD is an Optometry in Newton, Massachusetts. Graduated from New England College of Optometry in 2017, 9 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
9
Trained at
New England College of Optometry
Licensed in
MA
In the registry since
2017
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.

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Practice location Address checks out

42 Langley Rd
Newton, MA 02459-1918
Phone: (617) 431-5747
Fax: (617) 431-5747
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 5229 (MA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1487182010
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedMay 26, 2017
Last updated in NPPESJuly 20, 2026
Certification dateJuly 20, 2026

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolNEW ENGLAND COLLEGE OF OPTOMETRY
Graduated 2017 (9 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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