Lewis Weinstein, M.D.
NPI 1407879638 · Specialist · Commack, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lewis Weinstein, M.D. is a Specialist provider in Commack, NY (NPI 1407879638).
Provider details
- NPI number
- 1407879638
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 138663 (NY)
Specialties & taxonomies
Other Service Providers
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
2,163 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 | 816 | $147 |
| Photography of the Retina92250 | 787 | $43 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 166 | $107 |
| Established Patient Problem Focused Exam of Visual System92012 | 94 | $104 |
| Exam of Visual Field With Extended Testing92083 | 63 | $75 |
| New Patient Complete Exam of Visual System92004 | 60 | $173 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 122 | 34 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 61 | 21 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 55 | 49 |
| Cyclosporinebrand: Restasis | 32 | 11 |
| Brimonidine Tartrate | 29 | — |
| Timolol Maleate | 26 | 14 |
| Lifitegrastbrand: Xiidra | 18 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$115 across 5 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
- 2006-07-26
- Last updated
- 2012-06-27
Frequently asked questions
- What is Lewis Weinstein's NPI number?
- Lewis Weinstein's National Provider Identifier (NPI) is 1407879638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lewis Weinstein's specialty?
- Lewis Weinstein is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Lewis Weinstein located?
- Lewis Weinstein's practice location on file with NPPES is 66 Commack Rd, Commack, NY 11725-3405.
- What is Lewis Weinstein's phone number?
- The practice phone number listed in the NPPES registry for Lewis Weinstein is (631) 499-3733.
- Does Lewis Weinstein accept Medicare?
- Lewis Weinstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lewis Weinstein's NPI active?
- Yes — Lewis Weinstein's NPI (1407879638) is active in the NPPES registry as of the last update on 2012-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.