Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Aleman Contreras, PHARM D
Pharmacist in Prescott, AZ · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1962950063
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Registry record
Entity type Individual (Type 1)
Name John Aleman Contreras
Credential PHARM D
Sex Male
Practice address 901 Willow Lake Rd, Prescott, AZ, 86301
Phone (928) 771-0278
Enumeration date Sep 17, 2016
Last updated in NPPES Sep 17, 2016
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does John Aleman Contreras practice?
The practice location on file with NPPES is in Prescott, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Aleman Contreras?
The National Provider Identifier (NPI) for John Aleman Contreras is 1962950063, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-09-17.