Physician Profile
Unclaimed ProfileAbout GREENBAUM
Based in Lagrangeville, NY, Robert S Greenbaum, OD is listed in the NPI registry under optometry. Robert graduated from State University of New York - State College Optometry in 1984. Robert is also listed as specialising in optometrist.
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
Common questions
What kind of doctor is Dr. Greenbaum?
Dr. Greenbaum is an optometry in Lagrangeville, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPTOMETRY”.
NPI registry
What is Dr. Greenbaum's address?
Dr. Greenbaum is listed at 1110 ROUTE 55 STE 105, Lagrangeville, NY 12540. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Greenbaum?
The number on file is (845) 473-0220. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Greenbaum?
Dr. Greenbaum's National Provider Identifier is 1750387973. 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. Greenbaum train?
Dr. Greenbaum attended State University of New York - State College Optometry, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Greenbaum have?
Dr. Greenbaum has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Greenbaum perform?
According to Medicare billing data, Dr. Greenbaum provides treatments such as established patient problem focused exam of visual system and established patient complete exam of visual system. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Greenbaum's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Greenbaum. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (845) 473-0220
- Email not available
Practice Locations
1110 ROUTE 55 STE 105
Lagrangeville, NY 12540
Procedures Most Often Billed to Medicare
575 services · 489 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient problem focused exam of visual system | Treatment | 92012 |
175 |
| Established patient complete exam of visual system | Treatment | 92014 |
135 |
| Photography of the retina | Treatment | 92250 |
72 |
| Imaging of retina | Treatment | 92134 |
69 |
| Imaging of optic nerve | Treatment | 92133 |
53 |
| Exam of visual field with extended testing | Treatment | 92083 |
30 |
| New patient complete exam of visual system | Treatment | 92004 |
24 |
| Exam of the internal drainage system of eye | Treatment | 92020 |
17 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Trained at State University of New York - State College Optometry 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1984 at State University of New York - State College Optometry 8
Providers who graduated from the same medical school in the same year.
Also performs Established patient problem focused exam of visual system 8
Providers in NY who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.