Physician Profile
Gregory Butler, M.D. practices ophthalmology in Washington, DC. Gregory is a 1992 graduate of Icahn School of Medicine at Mount Sinai. Medicare claims data shows Gregory provided 3,432 services to 2,441 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, exam of the internal drainage system of eye, and exam of visual field with extended testing.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1647 BENNING RD NE STE 205
Washington, DC 20002
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
3,432 services · 2,441 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
34 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
16 |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
41 |
| Exam of the internal drainage system of eye | Treatment | 92020 |
606 |
| Exam of visual field with extended testing | Treatment | 92083 |
588 |
| Photography of the retina | Treatment | 92250 |
470 |
| Imaging of optic nerve | Treatment | 92133 |
268 |
| Imaging of retina | Treatment | 92134 |
196 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
71 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
660 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Gregory Butler is an eye doctor in Washington, DC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Gregory Butler is listed at 1647 Benning Rd Ne Ste 205, Washington, DC 20002. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (202) 397-2800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Gregory Butler's National Provider Identifier is 1376726091. 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
Gregory Butler attended Icahn School of Medicine at Mount Sinai, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
Gregory Butler has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Gregory Butler performs procedures including removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan of cornea to determine thickness; provides treatments such as exam of the internal drainage system of eye and exam of visual field with extended testing, 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 Gregory Butler. 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.