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Edit this profileAt a glance
- 33 Research Way Ste 13, East Setauket, NY 11733
About Dr. Karl
Listed in the NPI registry as an ophthalmology — retina specialist, Matthew D. Karl, MD practices in East Setauket, NY. Matthew graduated from State University of New York Downstate Medical Center in 2015. Matthew is also listed as specializing in ophthalmology. Medicare claims data shows Matthew provided 44,731 services to 5,087 patients. The services billed most often include injection, faricimab-svoa, 0.1 mg, imaging of retina, and injection of drug into eye. NPI 1154716959 identifies this record in the national registry.
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
- (631) 444-0650
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
33 RESEARCH WAY STE 13
East Setauket, NY 11733
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
44,731 services · 5,087 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
1,161 | As often as other peers in Ophthalmology — Retina Specialist |
| Destruction of leaking blood vessels of retina using laser | Procedure | 67228 |
62 | More than most peers in Ophthalmology — Retina Specialist |
| Photocoagulation treatment to prevent detachment of retina | Procedure | 67145 |
62 | More than most peers in Ophthalmology — Retina Specialist |
| Removal of eye fluid (vitreous) between lens and retina | Procedure | 67036 |
18 | As often as other peers in Ophthalmology — Retina Specialist |
| Repair of detached retina with drainage and removal of eye fluid between lens and retina | Procedure | 67108 |
15 | As often as other peers in Ophthalmology — Retina Specialist |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
13 | Less often than most peers in Ophthalmology — Retina Specialist |
| Imaging of retina | Treatment | 92134 |
3,092 | More often than most peers in Ophthalmology — Retina Specialist |
| Established patient complete exam of visual system | Treatment | 92014 |
947 | More often than most peers in Ophthalmology — Retina Specialist |
| Established patient problem focused exam of visual system | Treatment | 92012 |
659 | More often than most peers in Ophthalmology — Retina Specialist |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
283 | As often as other peers in Ophthalmology — Retina Specialist |
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 eye doctors at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 4 groups
Trained at State University of New York Downstate Medical Center 7
Other providers in the same specialty who trained at the same institution.
Class of 2015 at State University of New York Downstate Medical Center 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 7
Providers in NY who bill this service to Medicare most often.
Common questions
What is Dr. Karl's specialty?
Dr. Karl is an eye doctor in East Setauket, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology — Retina Specialist”.
NPI registry
Where can I find Dr. Karl?
Dr. Karl is listed at 33 Research Way Ste 13, East Setauket, NY 11733. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Karl?
The number on file is (631) 444-0650. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Karl?
Dr. Karl's National Provider Identifier is 1154716959. 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. Karl's medical education?
Dr. Karl attended State University of New York Downstate Medical Center, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Karl have?
Dr. Karl has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Karl known for?
According to Medicare billing data, Dr. Karl performs procedures including injection of drug into eye, destruction of leaking blood vessels of retina using laser and photocoagulation treatment to prevent detachment of retina; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures; provides treatments such as imaging of retina and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Karl's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Karl. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.