Michael J. Ruby, O.D.
Optometrist · Nantucket, MA
Michael J. Ruby, O.D. is an optometrist with a practice address in Nantucket, Massachusetts, and NPI 1073737193, issued on Apr 12, 2007. Check the license (Massachusetts OP-3832-TP, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael J. Ruby
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- OP-3832-TP MA
3832-TP MA
Self-reported in NPPES; status is on the state search - Practice location
- 13 Old South Road, Nantucket, MA 02554
- Phone
- (508) 228-0844
- Enumerated
- Apr 12, 2007
- Record last updated
- Mar 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080403000262); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 1993
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,501 in Massachusetts → Look up another NPI →
Verify Michael J. Ruby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license OP-3832-TPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average optometrist in 2024
315 Medicare Part D claims for 69 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Latanoprost163 claims
- Dorzolamide-Timolol29 claims
- Timolol Maleate28 claims
- Brimonidine Tartrate11 claims
- Lumigan11 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.
The MIPS final score for 2023 (Medicare payment program): 12.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Michael J. Ruby among 1,501 optometrist records in Massachusetts
Michael J. Ruby, O.D. is one of 1,501 optometrist records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 47% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1993 · median 2008 among the 933 with a school on file
- Record last updated2020 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 optometrist records list a practice address in Nantucket
They are 3 of the 198 NPPES records with a practice address in Nantucket, and 1,501 optometrist records in Massachusetts.
All 1,501 in Massachusetts → Every provider in Nantucket → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Joseph Bickford, ODNantucket, MA 025541801884960
- Jessica Gage, O.D.Nantucket, MA 025541962495689
- Valerie Gudas, ODPocasset, MA 025591548725823
- Stephen Holmes Jr., O.D.Sandwich, MA 025631962439752
- David Finkelstein, ODVineyard Haven, MA 025681346249158
- Roger McCarthy, ODFalmouth, MA 025401487662409
- Dale Morris, ODFalmouth, MA 025401952315558
- Brenda Olson, ODFalmouth, MA 025401578551206
Common questions
What is Michael J. Ruby, O.D.'s NPI number?
Michael J. Ruby, O.D.'s National Provider Identifier (NPI) is 1073737193, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael J. Ruby, O.D. located?
The NPPES record lists a practice address at 13 Old South Road, Nantucket, MA, 02554. Phone: (508) 228-0844. Providers update this record themselves, so call before visiting.
How can I verify Michael J. Ruby, O.D.'s license?
NPPES lists Massachusetts license number OP-3832-TP, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Michael J. Ruby, O.D. prescribe under Medicare Part D?
In 2024, Michael J. Ruby, O.D. had 315 Medicare Part D claims for 69 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Michael J. Ruby, O.D.'s MIPS final score?
The 2023 MIPS final score is 12.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.