Physician Profile
Unclaimed ProfileAbout RUBINSTEIN
Marc G Rubinstein, MD practices ophthalmology in Harrison, NY. Marc is a 1983 graduate of State University of New York Downstate Medical Center. According to Medicare claims data, Marc cared for 1,330 Medicare patients across 1,599 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (914) 949-9200
- Email not available
Practice Locations
450 MAMARONECK AVE STE 401
Harrison, NY 10528
Procedures Most Often Billed to Medicare
1,599 services · 1,330 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
31 |
| Established patient complete exam of visual system | Treatment | 92014 |
548 |
| Exam of the internal drainage system of eye | Treatment | 92020 |
280 |
| New patient complete exam of visual system | Treatment | 92004 |
123 |
| Imaging of optic nerve | Treatment | 92133 |
100 |
| Exam of visual field with extended testing | Treatment | 92083 |
84 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
60 |
| Imaging of retina | Treatment | 92134 |
57 |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
52 |
| Photography of the retina | Treatment | 92250 |
49 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other ophthalmology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Trained at State University of New York Downstate Medical Center 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at State University of New York Downstate Medical Center 7
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound scan of cornea to determine thickness 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Dr. Rubinstein specialize in?
Dr. Rubinstein is an ophthalmology in Harrison, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where is Dr. Rubinstein located?
Dr. Rubinstein is listed at 450 MAMARONECK AVE STE 401, Harrison, NY 10528. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Rubinstein's phone number?
The number on file is (914) 949-9200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Rubinstein's NPI number?
Dr. Rubinstein's National Provider Identifier is 1821092800. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Rubinstein go to medical school?
Dr. Rubinstein attended State University of New York Downstate Medical Center, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Rubinstein been practicing?
Dr. Rubinstein has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Rubinstein do most often?
According to Medicare billing data, Dr. Rubinstein performs imaging including ultrasound scan of cornea to determine thickness; provides treatments such as established patient complete exam of visual system and exam of the internal drainage system of eye, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Rubinstein confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Rubinstein. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.