Physician Profile
John E. Legarreta, M.D. is a healthcare provider in Williamsville, NY specializing in ophthalmology. According to Medicare claims data, John cared for 1,603 Medicare patients across 3,212 services. The services billed most often include established patient problem focused exam of visual system, imaging of retina, and microfluid analysis of tears.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1301 N FOREST RD SUITE 7
Williamsville, NY 14221
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.
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
3,212 services · 1,603 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
104 | |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
67 | |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
12 | |
| Established patient problem focused exam of visual system | Treatment | 92012 |
791 | More than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
488 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
424 | More than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
238 | More often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
144 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
135 | |
| Exam of the internal drainage system of eye | Treatment | 92020 |
97 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
John E. Legarreta is an eye doctor in Williamsville, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
John E. Legarreta is listed at 1301 N Forest Rd Suite 7, Williamsville, NY 14221. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (716) 633-2203. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
John E. Legarreta's National Provider Identifier is 1629395892. 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
John E. Legarreta attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
John E. Legarreta has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, John E. Legarreta performs procedures including injection of drug into eye, removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; provides treatments such as established patient problem focused exam of visual system 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
Not yet. This profile is built from public federal data and has not been confirmed by John E. Legarreta. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.