Alexander Llinas, M.D., PH.D.
NPI 1194900365 · Ophthalmology Physician · East Setauket, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Llinas, M.D., PH.D. is a Ophthalmology Physician provider in East Setauket, NY (NPI 1194900365).
Provider details
- NPI number
- 1194900365
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 246078 (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
18 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
4,053 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 Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,080 | $96 |
| Established Patient Complete Exam of Visual System92014 | 774 | $133 |
| Photography of the Retina92250 | 738 | $38 |
| Imaging of Optic Nerve92133 | 392 | $38 |
| Exam of Visual Field With Extended Testing92083 | 348 | $61 |
| Extended Exam Involving Color Vision Testing92283 | 285 | $59 |
| Imaging of Retina |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 457 | 160 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 255 | 87 |
| Timolol Maleate | 170 | 60 |
| Brimonidine Tartrate | 160 | 51 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 129 | 99 |
| Bimatoprostbrand: Lumigan | 98 | 39 |
| Dorzolamide Hcl | 86 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$735 across 31 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
- 2008-01-07
- Last updated
- 2012-06-27
Frequently asked questions
- What is Alexander Llinas's NPI number?
- Alexander Llinas's National Provider Identifier (NPI) is 1194900365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Llinas's specialty?
- Alexander Llinas is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Llinas located?
- Alexander Llinas's practice location on file with NPPES is 3400 Nesconset Hwy, East Setauket, NY 11733-3327.
- What is Alexander Llinas's phone number?
- The practice phone number listed in the NPPES registry for Alexander Llinas is (631) 751-2020.
- Does Alexander Llinas accept Medicare?
- Alexander Llinas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Llinas's NPI active?
- Yes — Alexander Llinas's NPI (1194900365) 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.