Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Robert Sikes, PHARM.D.
Pharmacist in Appleton, WI · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1366828360
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Registry record
Entity type Individual (Type 1)
Name Dr. Robert Sikes
Credential PHARM.D.
Sex Male
Practice address 4301 W Wisconsin Ave, Suite 42, Appleton, WI, 54913
Phone (920) 243-7877
Enumeration date Aug 3, 2015
Last updated in NPPES Aug 3, 2015
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
What is the NPI number for Robert Sikes?
The National Provider Identifier (NPI) for Robert Sikes is 1366828360, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Sikes practice?
The practice location on file with NPPES is in Appleton, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-08-03.