Marc Rubinstein, MD
NPI 1821092800 · Ophthalmology Physician · Harrison, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Rubinstein, MD is a Ophthalmology Physician provider in Harrison, NY (NPI 1821092800).
Provider details
- NPI number
- 1821092800
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 160826 (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
21 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
1,599 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 | 548 | $141 |
| Exam of the Internal Drainage System of Eye92020 | 280 | $31 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 215 | $103 |
| New Patient Complete Exam of Visual System92004 | 123 | $167 |
| Imaging of Optic Nerve92133 | 100 | $39 |
| Exam of Visual Field With Extended Testing92083 | 84 | $73 |
| Established Patient Problem Focused Exam of Visual System |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 94 | 29 |
| Bimatoprostbrand: Lumigan | 45 | 17 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 34 | 29 |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 25 | — |
| Dorzolamide Hcl | 21 | — |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 20 | 18 |
| Dorzolamide Hcl/Timolol Maleat |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$925 across 20 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
- 2005-06-08
- Last updated
- 2025-01-22
- Certified
- 2025-01-22
Frequently asked questions
- What is Marc Rubinstein's NPI number?
- Marc Rubinstein's National Provider Identifier (NPI) is 1821092800, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Rubinstein's specialty?
- Marc Rubinstein is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Rubinstein located?
- Marc Rubinstein's practice location on file with NPPES is 450 Mamaroneck Ave Ste 401, Harrison, NY 10528-2400.
- What is Marc Rubinstein's phone number?
- The practice phone number listed in the NPPES registry for Marc Rubinstein is (914) 949-9200.
- Does Marc Rubinstein accept Medicare?
- Marc Rubinstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Rubinstein's NPI active?
- Yes — Marc Rubinstein's NPI (1821092800) is active in the NPPES registry as of the last update on 2025-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.