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

Dr. William Joseph Ryan III, OD

Individual provider Optometrist · NPI 1487761680

Dr. William Joseph Ryan III, OD is an Optometry in Tyngsboro, Massachusetts. Graduated from New England College of Optometry in 1984, 42 years ago. Practices with Sudbury Vision Associates, Inc, a 2-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
42
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

440 Middlesex Rd
Tyngsboro, MA 01879-1070
Phone: (978) 649-3880
Fax: (978) 649-4708
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 3137 (MA)

Record details

NPI number1487761680
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedAugust 24, 2006
Last updated in NPPESFebruary 9, 2011

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolNEW ENGLAND COLLEGE OF OPTOMETRY
Graduated 1984 (42 years in practice)
Group practice Sudbury Vision Associates,Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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