William Bonadio, MD
NPI 1134206188 · Pediatric Emergency Medicine (Pediatrics) Physician · New York, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Bonadio, MD is a Pediatric Emergency Medicine (Pediatrics) Physician provider in New York, NY (NPI 1134206188).
Provider details
- NPI number
- 1134206188
- Entity type
- Individual
- Primary specialty
- Pediatric Emergency Medicine (Pediatrics) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 36476 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-08-31
- Certified
- 2021-08-31
Frequently asked questions
- What is William Bonadio's NPI number?
- William Bonadio's National Provider Identifier (NPI) is 1134206188, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Bonadio's specialty?
- William Bonadio is listed in the NPPES registry with a primary specialty of Pediatric Emergency Medicine (Pediatrics) Physician (Allopathic & Osteopathic Physicians).
- Where is William Bonadio located?
- William Bonadio's practice location on file with NPPES is 1111 Amsterdam Ave, New York, NY 10025-1716.
- What is William Bonadio's phone number?
- The practice phone number listed in the NPPES registry for William Bonadio is (212) 523-4000.
- Does William Bonadio accept Medicare?
- William Bonadio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Bonadio's NPI active?
- Yes — William Bonadio's NPI (1134206188) is active in the NPPES registry as of the last update on 2021-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.