Gregory Butler, MD, PC.
NPI 1750477600 · Ophthalmology Physician · Washington, DC
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Butler, MD, PC. is a Ophthalmology Physician organization in Washington, DC (NPI 1750477600).
Provider details
- NPI number
- 1750477600
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gregory Butler, Director(202) 397-2800
- License
- MD30132 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Eye Physicians & Surgeons of DC.
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2023-03-07
Frequently asked questions
- What is Gregory Butler, MD, PC.'s NPI number?
- Gregory Butler, MD, PC.'s National Provider Identifier (NPI) is 1750477600, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gregory Butler, MD, PC.?
- Gregory Butler, MD, PC. is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Butler, MD, PC. located?
- Gregory Butler, MD, PC.'s practice location on file with NPPES is 1647 Benning Rd Ne, Washington, DC 20002-4569.
- What is Gregory Butler, MD, PC.'s phone number?
- The practice phone number listed in the NPPES registry for Gregory Butler, MD, PC. is (202) 397-2800.
- Does Gregory Butler, MD, PC. accept Medicare?
- Gregory Butler, MD, PC. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Gregory Butler, MD, PC.?
- The authorized official listed on Gregory Butler, MD, PC.'s NPPES record is Gregory Butler, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gregory Butler, MD, PC.'s NPI active?
- Yes — Gregory Butler, MD, PC.'s NPI (1750477600) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.