John Sullivan, M.D.
NPI 1235228743 · Emergency Medicine Physician · Bath, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Sullivan, M.D. is a Emergency Medicine Physician provider in Bath, NY (NPI 1235228743).
Provider details
- NPI number
- 1235228743
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 166152 (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
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
- 2006-10-12
- Last updated
- 2025-09-19
- Certified
- 2025-09-19
Frequently asked questions
- What is John Sullivan's NPI number?
- John Sullivan's National Provider Identifier (NPI) is 1235228743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Sullivan's specialty?
- John Sullivan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Sullivan located?
- John Sullivan's practice location on file with NPPES is 76 Veterans Ave, Bath, NY 14810.
- What is John Sullivan's phone number?
- The practice phone number listed in the NPPES registry for John Sullivan is (607) 664-4000.
- Does John Sullivan accept Medicare?
- John Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Sullivan's NPI active?
- Yes — John Sullivan's NPI (1235228743) is active in the NPPES registry as of the last update on 2025-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.