NPPES file of Aug 9, 2026

Thomas Maher, O.D.

Optometrist · Leominster, MA

Thomas Maher, O.D. is an optometrist with a practice address in Leominster, Massachusetts, and NPI 1053332528, issued on Jul 21, 2006. Check the license (Massachusetts 4198, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053332528
Name
Thomas Maher
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
4198 MA
Self-reported in NPPES; status is on the state search
Practice location
865 Merriam Ave, Leominster, MA 01453
Phone
(978) 537-6045
Enumerated
Jul 21, 2006
Record last updated
May 5, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(978) 534-9845
Medicaid IDs
0335321 MA
110014790A MA
Medicare enrollment
Enrolled (PECOS I20060220000234); accepts Medicare assignment
Medical or professional school
New England College Of Optometry, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 865 Merriam Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Celia Huang, D.D.S.Dentist1447639034
  2. Kay Ricciotti, O.D.Optometrist1699777078

Verify Thomas Maher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 4198
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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44% more Medicare Part D claims than the average optometrist in 2024

400 Medicare Part D claims for 169 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. Thomas Maher400
  2. Specialty average277

Most prescribed

  1. Latanoprost69 claims
  2. Brimonidine Tartrate47 claims
  3. Timolol Maleate36 claims
  4. Restasis35 claims
  5. Prednisolone Acetate32 claims
  6. Erythromycin18 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 practice group's MIPS final score for 2023 (Medicare payment program): 97.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%74.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $366.39

12 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, 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.

  1. Thomas Maher$366.39
  2. Specialty average$769.99

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

  1. Longwood Eye LLCWest Springfield, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Thomas Maher among 1,501 optometrist records in Massachusetts

Thomas Maher, 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 56% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2000 · median 2008 among the 933 with a school on file
  • Record last updated2010 · 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).

Optometrist providers in Massachusetts

There are 1,501 optometrist records in Massachusetts.

The 8 optometrist records with the nearest ZIP codes

  1. Joel Abraham, O.D.Leominster, MA 014531326187576
  2. Thedalisa AckepLeominster, MA 014531003748104
  3. Mark Fontaine, O.D.Leominster, MA 014531710026943
  4. Nahall Larsen, O.D.Leominster, MA 014531619987567
  5. John Mooney, O.D.Leominster, MA 014531730283292
  6. Kay Ricciotti, O.D.Leominster, MA 014531699777078
  7. Paul Shepherd, O.D.Leominster, MA 014531558648279
  8. Henry Valentine, O.D.Leominster, MA 014531477760163

Common questions

What is Thomas Maher, O.D.'s NPI number?

Thomas Maher, O.D.'s National Provider Identifier (NPI) is 1053332528, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Maher, O.D. located?

The NPPES record lists a practice address at 865 Merriam Ave, Leominster, MA, 01453. Phone: (978) 537-6045. Providers update this record themselves, so call before visiting.

How can I verify Thomas Maher, O.D.'s license?

NPPES lists Massachusetts license number 4198, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas Maher, O.D. prescribe under Medicare Part D?

In 2024, Thomas Maher, O.D. had 400 Medicare Part D claims for 169 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.

What is Thomas Maher, O.D.'s MIPS final score?

The 2023 MIPS final score is 97.2 of 100, reported for the practice group. 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.