William Kasper, M.D.
NPI 1851307987 · Ophthalmology Physician · Garden City, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Kasper, M.D. is a Ophthalmology Physician provider in Garden City, NY (NPI 1851307987).
Provider details
- NPI number
- 1851307987
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 105422 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,422 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 | 433 | $142 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 385 | $104 |
| Established Patient Problem Focused Exam of Visual System92012 | 238 | $101 |
| New Patient Complete Exam of Visual System92004 | 81 | $169 |
| Imaging of Optic Nerve92133 | 72 | $40 |
| Exam of Visual Field With Extended Testing92083 | 61 | $72 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 413 | 118 |
| Azelastine Hcl | 151 | 87 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 127 | 105 |
| Timolol Maleate | 110 | 35 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 104 | 26 |
| Ofloxacin | 82 | 67 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 61 | 48 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,291 across 64 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
- 2006-07-31
- Last updated
- 2015-02-09
Frequently asked questions
- What is William Kasper's NPI number?
- William Kasper's National Provider Identifier (NPI) is 1851307987, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kasper's specialty?
- William Kasper is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is William Kasper located?
- William Kasper's practice location on file with NPPES is 520 Franklin Ave, Garden City, NY 11530-5813.
- What is William Kasper's phone number?
- The practice phone number listed in the NPPES registry for William Kasper is (631) 265-8780.
- Does William Kasper accept Medicare?
- William Kasper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Kasper's NPI active?
- Yes — William Kasper's NPI (1851307987) is active in the NPPES registry as of the last update on 2015-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.