William Joseph Ryan, O.D.
Optometrist · Tyngsboro, MA
William Joseph Ryan, O.D. is an optometrist with a practice address in Tyngsboro, Massachusetts, and NPI 1487761680, issued on Aug 24, 2006. Check the license (Massachusetts 3137, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Joseph Ryan
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3137 MA
Self-reported in NPPES; status is on the state search - Practice location
- 440 Middlesex RD, Tyngsboro, MA 01879
- Phone
- (978) 649-3880
- Enumerated
- Aug 24, 2006
- Record last updated
- Feb 9, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (978) 649-4708
- Medicaid ID
- 110016064 MA
- Medicare enrollment
- Enrolled (PECOS I20080324000049); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 1984
- Entity
- Type 1 · individual
Also registered at 440 Middlesex RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joanne HamiltonPhysical Therapy Assistant1629870704
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- Kyle RossettiPhysical Therapist1275455685
Verify William Joseph Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 3137Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average optometrist in 2024
16 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 75% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $100.80
5 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sudbury Vision Associates,incSudbury, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
3 optometrist records list a practice address in Tyngsboro
They are 3 of the 80 NPPES records with a practice address in Tyngsboro, and 1,501 optometrist records in Massachusetts.
All 3 in Tyngsboro → All 1,501 in Massachusetts → Every provider in Tyngsboro →
Other optometrist records in Massachusetts
- Maysa Abbas, ODMalden, MA1588247787
- Kelly Abbott, O.D.Cambridge, MA1316313208
- Angela Abraham, O.D.Amherst, MA1609833870
- Joel Abraham, O.D.Leominster, MA1326187576
- Chukwuemeka Achonu, ODBoston, MA1013738582
- Thedalisa AckepLeominster, MA1003748104
- Amie Adams, O.D.Hudson, MA1831137322
- John Adams, ODIpswich, MA1598727778
- Stephen Adelstein, ODChelmsford, MA1790770980
- Molly Admire, ODBoston, MA1528628625
Common questions
What is William Joseph Ryan, O.D.'s NPI number?
William Joseph Ryan, O.D.'s National Provider Identifier (NPI) is 1487761680, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Joseph Ryan, O.D. located?
The NPPES record lists a practice address at 440 Middlesex RD, Tyngsboro, MA, 01879. Phone: (978) 649-3880. Providers update this record themselves, so call before visiting.
How can I verify William Joseph Ryan, O.D.'s license?
NPPES lists Massachusetts license number 3137, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does William Joseph Ryan, O.D. prescribe under Medicare Part D?
In 2024, William Joseph Ryan, O.D. had 16 Medicare Part D claims; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.