Thomas G. Maher, OD
- Medicare patients, 2024
- 756
- Part D claims, 2024
- 400
- MIPS score, 2024
- 94
- Industry payments
- $103
- Affiliated sites
- 1
- Practice address
- 33 Riddell St, Greenfield, MA 01301
- Practice phone
- Call (413) 452-4111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Longwood Eye
Greenfield, Massachusetts
Find Thomas Maher's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Thomas G. Maher is an optometrist in Greenfield, Massachusetts
Thomas Maher practices at Longwood Eye in Greenfield, Massachusetts.
Thomas Maher's NPI, 1053332528, was assigned on July 21, 2006. Thomas Maher graduated from New England College of Optometry in 2000. Thomas Maher holds Massachusetts license 4198.
- NPI
- 1053332528NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315952819
- NPI enumeration date
- July 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (413) 452-4111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Thomas G. Maher practices at Longwood Eye in Greenfield, Massachusetts
Thomas Maher's primary practice is Longwood Eye, at 33 Riddell St, Greenfield, MA 01301 in Franklin County. The practice phone is (413) 452-4111.
- Longwood Eye33 Riddell St, Greenfield, MA 01301 · Franklin CountyPhone(413) 452-4111
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Thomas G. Maher is affiliated with 2 sites of care and 1 medical group
Thomas Maher's primary practice is Longwood Eye in Greenfield, Massachusetts. Dmand AI also links Thomas Maher to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Thomas G. Maher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Thomas Maher practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Longwood Eye | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Thomas G. Maher is one of 1,098 optometrists in Massachusetts
Optometrist is Thomas Maher's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Thomas Maher is licensed in Massachusetts.
Specialties and state licenses
- Optometrist, MassachusettsPrimary
Optometrists near Thomas Maher
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Thomas G. Maher treated 756 Medicare patients in 2024, average age 72
CMS counts 756 Medicare patients who saw Thomas Maher in 2024. The largest group is 65 to 74, with 330 patients. 70% of them have high cholesterol, and 67% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Thomas Maher's median patient age at 71, with 62% women.
Thomas Maher's Medicare patients by age, 2024
Thomas Maher's Medicare patients by sex, 2024
- Women43257%
- Men32443%
Chronic conditions among Thomas Maher's Medicare patients, 2024
- High cholesterol70%
- High blood pressure67%
- Arthritis43%
- Diabetes27%
- Mood disorders26%
- Anxiety25%
- Ischemic heart disease24%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Thomas Maher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Thomas G. Maher wrote 400 Medicare Part D claims in 2024
In 2024, Thomas Maher wrote 400 Medicare Part D claims for 169 patients. 62% of them were for generic drugs.
Thomas Maher's Part D claims by kind of drug, 2024
- Generic248 claims62%
- Brand-name152 claims38%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Thomas G. Maher scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Thomas Maher for performance year 2024, reported as part of a group. Thomas Maher accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Thomas Maher's MIPS scores, performance year 2024
- 94of 100Final score
- 92.3of 100Quality
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Thomas G. Maher received $103 in industry payments in 2025
CMS Open Payments shows 4 general payments to Thomas Maher from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Tarsus Pharmaceuticals, Inc. paid the most, $66.
Companies that paid Thomas Maher the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Thomas G. Maher graduated from New England College of Optometry
Thomas Maher graduated from New England College of Optometry in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Thomas G. Maher's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Thomas G. Maher
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Thomas G. Maher's NPI number?
Thomas G. Maher's NPI number is 1053332528. It was assigned on July 21, 2006, and it is active in the NPI Registry.
What does Thomas G. Maher specialize in?
Thomas G. Maher is an optometrist in Greenfield, Massachusetts. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Thomas G. Maher practice?
Thomas Maher practices at 33 Riddell St, Greenfield, MA 01301. Thomas Maher's primary practice is Longwood Eye in Greenfield, Massachusetts. Dmand AI also links Thomas Maher to 1 group practice or clinic and 1 medical group.
What is Thomas G. Maher's office phone number?
The practice phone on file for Thomas Maher is (413) 452-4111.
What is Thomas G. Maher's medical license number?
Thomas Maher holds Massachusetts license 4198.
Does Thomas G. Maher accept Medicare?
Yes. CMS lists Thomas Maher as accepting Medicare assignment.
What is Thomas G. Maher's MIPS score?
Thomas Maher's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
How many Medicare patients does Thomas G. Maher see?
CMS counts 756 Medicare patients who saw Thomas Maher in 2024, with an average age of 72.
Where did Thomas G. Maher go to medical school?
Thomas Maher graduated from New England College of Optometry in 2000.
Has Thomas G. Maher received payments from drug or device companies?
CMS Open Payments shows $103 in general payments to Thomas Maher from 2 companies from 2025 to 2025. The largest total came from Tarsus Pharmaceuticals, Inc.
How long has Thomas G. Maher been practicing?
Thomas Maher graduated from medical school in 2000, 26 years ago.
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