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

Individual provider Optometrist · NPI 1528076288

Dr. Crystal J Klaahsen, OD is an Optometry in Cambridge, Massachusetts. Graduated from New England College of Optometry in 2006, 20 years ago. Practices with Porter Square Eye Associates Inc, a 2-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
20
Trained at
New England College of Optometry
Licensed in
MA
In the registry since
2006
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

2038 Massachusetts Ave
Cambridge, MA 02140-2104
Phone: (617) 864-3147
Fax: (617) 864-4994
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 4567 (MA)

Record details

NPI number1528076288
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedAugust 4, 2006
Last updated in NPPESNovember 14, 2011

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolNEW ENGLAND COLLEGE OF OPTOMETRY
Graduated 2006 (20 years in practice)
Group practice Porter Square Eye Associates Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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