IndividualActive
Leonard Quadracci, MD
NPI 1578511085 · Nephrology Physician · West Allis, WI
Leonard Quadracci, MD is a Nephrology Physician provider in West Allis, WI (NPI 1578511085).
Provider details
- NPI number
- 1578511085
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 37230-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
555 S 108th St
West Allis, WI 53214-1100
Phone: (414) 566-3803
Fax: (414) 566-3866
Street-level locationGet directions
Mailing address
555 S 108th St
West Allis, WI 53214-1100
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2007-07-09
Frequently asked questions
- What is Leonard Quadracci's NPI number?
- Leonard Quadracci's National Provider Identifier (NPI) is 1578511085, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Quadracci's specialty?
- Leonard Quadracci is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Quadracci located?
- Leonard Quadracci's practice location on file with NPPES is 555 S 108th St, West Allis, WI 53214-1100.
- What is Leonard Quadracci's phone number?
- The practice phone number listed in the NPPES registry for Leonard Quadracci is (414) 566-3803.
- Is Leonard Quadracci's NPI active?
- Yes — Leonard Quadracci's NPI (1578511085) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.