William Bagley, M.D.
NPI 1114184215 · Emergency Medicine Physician · New York, NY
William Bagley, M.D. is a Emergency Medicine Physician provider in New York, NY (NPI 1114184215).
Provider details
- NPI number
- 1114184215
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 248175 (NY)
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
18 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
Registry dates
- Enumerated
- 2008-05-18
- Last updated
- 2008-05-18
Frequently asked questions
- What is William Bagley's NPI number?
- William Bagley's National Provider Identifier (NPI) is 1114184215, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Bagley's specialty?
- William Bagley is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Bagley located?
- William Bagley's practice location on file with NPPES is 1000 10th Ave, New York, NY 10019-1147.
- What is William Bagley's phone number?
- The practice phone number listed in the NPPES registry for William Bagley is (212) 523-4000.
- Is William Bagley's NPI active?
- Yes — William Bagley's NPI (1114184215) is active in the NPPES registry as of the last update on 2008-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.