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

Robin Sinn, OD

Individual provider Optometrist · NPI 1255537262

Robin Sinn, OD is an Optometrist in Lancaster, Massachusetts. Licensed in California and Massachusetts. Registered with an NPI since 2007.

Licensed in
CA, MA
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.

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Practice location Address checks out

479 Old Union Tpke
Lancaster, MA 01523-3029
Phone: (978) 537-3900
Fax: (978) 537-6030
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 4901 (MA)
Optometrist Taxonomy 152W00000X · Licence 13243 (CA)

Record details

NPI number1255537262
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorNo
NPI enumeratedJune 26, 2007
Last updated in NPPESJune 3, 2021
Certification dateJune 3, 2021
Mailing address479 Old Union Tpke, Lancaster, MA 01523-3029

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