John Hammersmith, OD
NPI 1245231067 · Optometrist · Williamsville, NY
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Hammersmith, OD is a Optometrist provider in Williamsville, NY (NPI 1245231067).
Provider details
- NPI number
- 1245231067
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 005495 (NY)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
251 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 124 | $120 |
| New Patient Complete Exam of Visual System92004 | 40 | $143 |
| Established Patient Problem Focused Exam of Visual System92012 | 31 | $86 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 31 | $87 |
| Photography of the Retina92250 | 13 | $33 |
| Exam of Visual Field With Extended Testing92083 | 12 | $61 |
Typical Medicare-allowed amounts for these services range $33–$143 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 67 | 64 |
| Lifitegrastbrand: Xiidra | 41 | — |
| Latanoprost | 33 | 14 |
| Cyclosporinebrand: Restasis | 21 | — |
| Cyclosporine | 13 | — |
| Bimatoprostbrand: Lumigan | 11 | — |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$120 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-02
- Last updated
- 2016-11-02
Frequently asked questions
- What is John Hammersmith's NPI number?
- John Hammersmith's National Provider Identifier (NPI) is 1245231067, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hammersmith's specialty?
- John Hammersmith is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is John Hammersmith located?
- John Hammersmith's practice location on file with NPPES is 811 Maple Rd, Williamsville, NY 14221-3260.
- What is John Hammersmith's phone number?
- The practice phone number listed in the NPPES registry for John Hammersmith is (716) 631-8888.
- Does John Hammersmith accept Medicare?
- John Hammersmith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Hammersmith's NPI active?
- Yes — John Hammersmith's NPI (1245231067) is active in the NPPES registry as of the last update on 2016-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.