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Edit this profileAt a glance
- 1310 48Th St, Suite 207, Brooklyn, NY 11219
About Dr. Rosenbaum
Dionys J. Rosenbaum, MD practices ophthalmology in Brooklyn, NY. Medicare claims data shows Dionys provided 2,878 services to 1,816 patients. The services billed most often include imaging of retina, extended exam of the back part of the eye with optic nerve drawing, and established patient problem focused exam of visual system. The provider's National Provider Identifier (NPI) is 1235248311.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (718) 436-8988
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1310 48TH ST SUITE 207
Brooklyn, NY 11219
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Eye injury and cancer
Inflammation, neurologic, and orbit
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Retina & vitreous
Procedures & services
Cataract and lens
- Cataract surgery with lens implant
- Laser-assisted cataract surgery
- Intraocular lens exchange
- YAG laser capsulotomy
Cornea and refractive
Emergency and minor
- Corneal rust-ring removal
- Removal of an eye foreign body
- Repair of an eye or eyelid laceration
- Repair of ruptured globe
Examination and imaging
- Eye ultrasound
- Slit-lamp examination
- Visual-field testing
- Corneal topography
- Fluorescein angiography
Eyelid, tear duct, and muscle
- Chalazion removal
- Ectropion repair
- Eyelid surgery
- Tear-duct probing
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Tear-duct bypass surgery
Glaucoma
- Cyclophotocoagulation
- Trabeculectomy
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Retina
Most searched procedures
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
2,878 services · 1,816 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
82 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
844 | More often than most peers in Ophthalmology |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
675 | More often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
444 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
412 | As often as other peers in Ophthalmology |
| Extended exam of the back part of the eye with retinal drawing | Treatment | 92201 |
182 | More often than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
101 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
37 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
21 | Less often than most peers in Ophthalmology |
| Injection, bevacizumab, 10 mg | Drug given | J9035 |
60 | As often as other peers in Ophthalmology |
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.
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.
Other eye doctors in Brooklyn 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1972 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Dr. Rosenbaum's specialty?
Dr. Rosenbaum is an eye doctor in Brooklyn, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find Dr. Rosenbaum?
Dr. Rosenbaum is listed at 1310 48Th St Suite 207, Brooklyn, NY 11219. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Rosenbaum?
The number on file is (718) 436-8988. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Rosenbaum?
Dr. Rosenbaum's National Provider Identifier is 1235248311. 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
What is Dr. Rosenbaum's medical education?
Dr. Rosenbaum attended Other, graduating in 1972. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Rosenbaum have?
Dr. Rosenbaum has 54 years experience. Calculated from a graduation year of 1972, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Rosenbaum known for?
According to Medicare billing data, Dr. Rosenbaum performs procedures including injection of drug into eye; provides treatments such as imaging of retina and extended exam of the back part of the eye with optic nerve drawing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Rosenbaum's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Rosenbaum. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.