William Nelson, R.PH.
NPI 1427122167 · Pharmacist · Arlington Heights, IL
William Nelson, R.PH. is a Pharmacist provider in Arlington Heights, IL (NPI 1427122167).
Provider details
- NPI number
- 1427122167
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- R.PH.
- Sex
- Male
- Sole proprietor
- No
- License
- 051-035713 (IL)
Specialties & taxonomies
Pharmacy Service Providers
Pharmacy Service Providers
Pharmacy Service Providers
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
- 2006-11-17
- Last updated
- 2009-12-12
Frequently asked questions
- What is William Nelson's NPI number?
- William Nelson's National Provider Identifier (NPI) is 1427122167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Nelson's specialty?
- William Nelson is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is William Nelson located?
- William Nelson's practice location on file with NPPES is 973 W Essex Pl, Arlington Heights, IL 60004-2317.
- What is William Nelson's phone number?
- The practice phone number listed in the NPPES registry for William Nelson is (847) 255-1718.
- Is William Nelson's NPI active?
- Yes — William Nelson's NPI (1427122167) is active in the NPPES registry as of the last update on 2009-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.