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Leonard Defazio, Jr, D.C.
NPI 1841491784 · Chiropractor · West Seneca, NY
Leonard Defazio, Jr, D.C. is a Chiropractor provider in West Seneca, NY (NPI 1841491784).
Provider details
- NPI number
- 1841491784
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- X006941 (NY)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(89/100 index)
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
4184 Seneca St
West Seneca, NY 14224-3051
Phone: (716) 674-0434
Street-level locationGet directions
Mailing address
81 Potter Ave
Orchard Park, NY 14127-2720
Registry dates
- Enumerated
- 2007-05-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leonard Defazio, Jr's NPI number?
- Leonard Defazio, Jr's National Provider Identifier (NPI) is 1841491784, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Defazio, Jr's specialty?
- Leonard Defazio, Jr is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Leonard Defazio, Jr located?
- Leonard Defazio, Jr's practice location on file with NPPES is 4184 Seneca St, West Seneca, NY 14224-3051.
- What is Leonard Defazio, Jr's phone number?
- The practice phone number listed in the NPPES registry for Leonard Defazio, Jr is (716) 674-0434.
- Is Leonard Defazio, Jr's NPI active?
- Yes — Leonard Defazio, Jr's NPI (1841491784) 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.