John T. Hammersmith, OD
Optometrist · Williamsville, NY
John T. Hammersmith, OD is an optometrist with a practice address in Williamsville, New York, and NPI 1245231067, issued on Aug 2, 2005. Check the license (New York 005495, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John T. Hammersmith
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 005495 NY
Self-reported in NPPES; status is on the state search - Practice location
- 811 Maple RD, Williamsville, NY 14221
- Phone
- (716) 631-8888
- Enumerated
- Aug 2, 2005
- Record last updated
- Nov 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (716) 631-3803
- Medicare enrollment
- Enrolled (PECOS I20111018000213); accepts Medicare assignment
- Medical or professional school
- Pennsylvania College Of Optometry, 1993
- Entity
- Type 1 · individual
8 nearest optometrist records → All 3,535 in New York → Look up another NPI →
Also registered at 811 Maple RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Awner, MDOphthalmology Physician1285686402
- Daniel Cotter, M.D.Ophthalmology Physician1003018102
- Jon Dusse, MDOphthalmology Physician1558327742
- Riyaz Hassanali, M.D.Specialist1194822346
- Paul Holmwood, MDOphthalmology Physician1225039043
- Eugene McDonough, O.D.Specialist1144223439
Verify John T. Hammersmith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 005495Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average optometrist in 2024
236 Medicare Part D claims for 131 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.
Most prescribed
- Neomycin-Polymyxin-Dexameth67 claims
- Xiidra41 claims
- Latanoprost33 claims
- Restasis21 claims
- Cyclosporine13 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 practice group's MIPS final score for 2023 (Medicare payment program): 95.2 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $120.37
6 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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
- Eye Care And Vision Associates Ophthalmology LLPOrchard Park, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John T. Hammersmith among 3,535 optometrist records in New York
John T. Hammersmith, OD is one of 3,535 optometrist records with a practice address in New York. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated1993 · median 2008 among the 1,667 with a school on file
- Record last updated2016 · 66% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in New York
There are 3,535 optometrist records in New York.
All 3,535 in New York → Every provider in Williamsville → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Arthur Atkinson, O.D.Williamsville, NY 142211114909827
- Ing-Chyong Chen-Rawson, ODWilliamsville, NY 142211942285903
- Anne Marie Downey, ODWilliamsville, NY 142211750344412
- Michael Howard, ODWilliamsville, NY 142211306841531
- Jocelyn Krygier Murphy, ODWilliamsville, NY 142211134124597
- Patti Leonard, ODWilliamsville, NY 142211184687840
- Leslie Long, ODWilliamsville, NY 142211336140151
- Mary Ellen Loughrey, O.D.Williamsville, NY 142211801894068
Common questions
What is John T. Hammersmith, OD's NPI number?
John T. Hammersmith, OD's National Provider Identifier (NPI) is 1245231067, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John T. Hammersmith, OD located?
The NPPES record lists a practice address at 811 Maple RD, Williamsville, NY, 14221. Phone: (716) 631-8888. Providers update this record themselves, so call before visiting.
How can I verify John T. Hammersmith, OD's license?
NPPES lists New York license number 005495, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does John T. Hammersmith, OD prescribe under Medicare Part D?
In 2024, John T. Hammersmith, OD had 236 Medicare Part D claims for 131 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is John T. Hammersmith, OD's MIPS final score?
The 2023 MIPS final score is 95.2 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.