William Leibow, D.D.S.
NPI 1417954074 · Endodontics · Phoenix, AZ
Enrolled with Medicare as Order and Referring Only - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Leibow, D.D.S. is a Endodontics provider in Phoenix, AZ (NPI 1417954074).
Provider details
- NPI number
- 1417954074
- Entity type
- Individual
- Primary specialty
- EndodonticsDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- No
- License
- 2006 (AZ)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-06-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Leibow's NPI number?
- William Leibow's National Provider Identifier (NPI) is 1417954074, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Leibow's specialty?
- William Leibow is listed in the NPPES registry with a primary specialty of Endodontics (Dental Providers).
- Where is William Leibow located?
- William Leibow's practice location on file with NPPES is 4910 N 44th St, Phoenix, AZ 85018-2726.
- What is William Leibow's phone number?
- The practice phone number listed in the NPPES registry for William Leibow is (602) 840-3636.
- Does William Leibow accept Medicare?
- William Leibow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Leibow's NPI active?
- Yes — William Leibow's NPI (1417954074) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.