William Unis, MD
NPI 1225198872 · Orthopaedic Surgery Physician · Bronxville, NY
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Unis, MD is a Orthopaedic Surgery Physician provider in Bronxville, NY (NPI 1225198872).
Provider details
- NPI number
- 1225198872
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 104483 (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
- 2006-12-12
- Last updated
- 2010-04-14
Frequently asked questions
- What is William Unis's NPI number?
- William Unis's National Provider Identifier (NPI) is 1225198872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Unis's specialty?
- William Unis is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Unis located?
- William Unis's practice location on file with NPPES is 77 Pondfield Rd, Bronxville, NY 10708-3809.
- What is William Unis's phone number?
- The practice phone number listed in the NPPES registry for William Unis is (914) 793-0999.
- Does William Unis accept Medicare?
- William Unis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Unis's NPI active?
- Yes — William Unis's NPI (1225198872) is active in the NPPES registry as of the last update on 2010-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.