William Kass, MD
NPI 1104386218 · Ophthalmology Physician · New York, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Kass, MD is a Ophthalmology Physician provider in New York, NY (NPI 1104386218).
Provider details
- NPI number
- 1104386218
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 321874 (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
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
115 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) |
|---|---|---|
| Photography of the Retina92250 | 24 | $39 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 20 | $143 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $102 |
| Photography of Content of Eyes92285 | 16 | $27 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 13 | $27 |
| Imaging of Retina92134 | 12 | $45 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 514 | 109 |
| Brimonidine Tartrate | 212 | 62 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 188 | 50 |
| Prednisolone Acetate | 150 | 93 |
| Latanoprostene Bunodbrand: Vyzulta | 96 | 20 |
| Brimonidine Tartrate/Timololbrand: Combigan | 56 | 17 |
| Timolol Maleate | 45 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$79 across 4 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
Additional practice locations (4)
- 9620 Metropolitan AveForest Hills, NY 11375-6625Phone: (718) 793-2020Fax: (718) 793-2022
- 185 Woodbury RdHicksville, NY 11801-3029Phone: (516) 681-3937Fax: (516) 681-1272
- 20504 Hillside AveHollis, NY 11423-2218Phone: (718) 464-2020Fax: (718) 464-2030
- 9016 Elmhurst AveJackson Heights, NY 11372-7936Phone: (718) 651-2200
Registry dates
- Enumerated
- 2019-03-24
- Last updated
- 2023-06-27
- Certified
- 2023-06-27
Frequently asked questions
- What is William Kass's NPI number?
- William Kass's National Provider Identifier (NPI) is 1104386218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kass's specialty?
- William Kass is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is William Kass located?
- William Kass's practice location on file with NPPES is 188 Dyckman St, New York, NY 10040-1004.
- What is William Kass's phone number?
- The practice phone number listed in the NPPES registry for William Kass is (646) 762-2020.
- Does William Kass accept Medicare?
- William Kass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Kass's NPI active?
- Yes — William Kass's NPI (1104386218) is active in the NPPES registry as of the last update on 2023-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.