Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Gregory Butler, MD

Individual provider Ophthalmology Physician · NPI 1376726091

Dr. Gregory Butler, MD is an Ophthalmology in Washington, District of Columbia. Graduated from Icahn School of Medicine at Mount Sinai in 1992, 34 years ago. Accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
34
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
DC
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1647 Benning Rd NE Ste 205
Washington, DC 20002-4569
Phone: (202) 397-2800
Fax: (202) 397-1304
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence MD30132 (DC)

Record details

NPI number1376726091
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 17, 2007
Last updated in NPPESDecember 17, 2007
Mailing address1647 Benning Rd Ne, Ste 205, Washington, DC 20002-4569

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 1992 (34 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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