William Small
NPI 1235796806 · Hospitalist Physician · New York, NY
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Small is a Hospitalist Physician provider in New York, NY (NPI 1235796806).
Provider details
- NPI number
- 1235796806
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 312588 (NY)
Specialties & taxonomies
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
7 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
- 2019-05-20
- Last updated
- 2025-02-18
- Certified
- 2025-02-18
Frequently asked questions
- What is William Small's NPI number?
- William Small's National Provider Identifier (NPI) is 1235796806, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Small's specialty?
- William Small is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is William Small located?
- William Small's practice location on file with NPPES is 550 1st Ave, New York, NY 10016-6402.
- What is William Small's phone number?
- The practice phone number listed in the NPPES registry for William Small is (212) 263-5506.
- Does William Small accept Medicare?
- William Small is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Small's NPI active?
- Yes — William Small's NPI (1235796806) is active in the NPPES registry as of the last update on 2025-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.