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Edit this profileAt a glance
- 520 Franklin Ave, Suite L6, Garden City, NY 11530
About Dr. Fleckner
Mark Fleckner, M.D., P.C. practices ophthalmology in Garden City, NY. Mark is a 1989 graduate of Duke University School of Medicine. Mark is also listed as specializing in ophthalmology — retina specialist. According to Medicare claims data, Mark cared for 10,207 Medicare patients across 57,624 services. The services billed most often include test for allergy using allergenic extract, injection, faricimab-svoa, 0.1 mg, and imaging of retina. The provider's National Provider Identifier (NPI) is 1225063274.
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
- (516) 739-5905
- Email not available
Practice Locations
520 FRANKLIN AVE SUITE L6
Garden City, NY 11530
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
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
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
57,624 services · 10,207 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
1,042 | As often as other peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
52 | More often than most peers in Ophthalmology |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
384 | More than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
94 | More than most peers in Ophthalmology |
| Test for allergy using allergenic extract | Treatment | 95004 |
18,603 | Too few peers to compare |
| Imaging of retina | Treatment | 92134 |
5,114 | More than most peers in Ophthalmology |
| Extended exam of the back part of the eye with retinal drawing | Treatment | 92201 |
4,480 | More than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
1,254 | More often than most peers in Ophthalmology |
| Exam of retinal blood vessels using a special camera after injection of a dye | Treatment | 92235 |
712 | More than most peers in Ophthalmology |
| Exam of retinal blood vessels and blood vessels between the white part of eye and retina using a special camera after injection of a dye | Treatment | 92242 |
646 | More than most 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.
Other eye doctors at this location 1
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.
Other eye doctors in Garden City 7
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Duke University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Duke University School of Medicine 7
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 kind of doctor is Mark Fleckner, M.D.?
Mark Fleckner, M.D. is an eye doctor in Garden City, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
What is Mark Fleckner, M.D.'s address?
Mark Fleckner, M.D. is listed at 520 Franklin Ave Suite L6, Garden City, NY 11530. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mark Fleckner, M.D.?
The number on file is (516) 739-5905. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark Fleckner, M.D.'s NPI number?
Mark Fleckner, M.D.'s National Provider Identifier is 1225063274. 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 Mark Fleckner, M.D. train?
Mark Fleckner, M.D. attended Duke University School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark Fleckner, M.D. been practicing?
Mark Fleckner, M.D. has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mark Fleckner, M.D. perform?
According to Medicare billing data, Mark Fleckner, M.D. performs procedures including injection of drug into eye and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures and ultrasound scan of cornea to determine thickness; provides treatments such as test for allergy using allergenic extract and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark Fleckner, M.D. confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark Fleckner, M.D.. If this is you, claiming it is free.
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