Gregory May
NPI 1649911769 · Emergency Medicine Physician · Buffalo, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory May is a Emergency Medicine Physician provider in Buffalo, NY (NPI 1649911769).
Provider details
- NPI number
- 1649911769
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
Registry dates
- Enumerated
- 2022-04-05
- Last updated
- 2025-05-24
- Certified
- 2025-05-24
Frequently asked questions
- What is Gregory May's NPI number?
- Gregory May's National Provider Identifier (NPI) is 1649911769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory May's specialty?
- Gregory May is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory May located?
- Gregory May's practice location on file with NPPES is 955 Main St Ste 7230, Buffalo, NY 14203-1121.
- What is Gregory May's phone number?
- The practice phone number listed in the NPPES registry for Gregory May is (716) 645-9707.
- Does Gregory May accept Medicare?
- Gregory May is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory May's NPI active?
- Yes — Gregory May's NPI (1649911769) is active in the NPPES registry as of the last update on 2025-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.