William Leonard, RPH
NPI 1235415738 · Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Appleton, WI
William Leonard, RPH is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider in Appleton, WI (NPI 1235415738).
Provider details
- NPI number
- 1235415738
- Entity type
- Individual
- Primary specialty
- Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
- Credential
- RPH
- Sex
- Male
- Sole proprietor
- Yes
- License
- 9086-40 (WI)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2011-10-27
- Last updated
- 2011-10-27
Frequently asked questions
- What is William Leonard's NPI number?
- William Leonard's National Provider Identifier (NPI) is 1235415738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Leonard's specialty?
- William Leonard is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).
- Where is William Leonard located?
- William Leonard's practice location on file with NPPES is 3330 E Calumet St, Appleton, WI 54915-4127.
- What is William Leonard's phone number?
- The practice phone number listed in the NPPES registry for William Leonard is (920) 733-3016.
- Is William Leonard's NPI active?
- Yes — William Leonard's NPI (1235415738) is active in the NPPES registry as of the last update on 2011-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.