Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
William Fegyveresi, RPH
Pharmacist in Holbrook, NY · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811168792
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Registry record
Entity type Individual (Type 1)
Name William Fegyveresi
Credential RPH
Sex Male
Practice address 5801 Sunrise Hwy, Holbrook, NY, 11741
Phone (631) 567-6969
Enumeration date Mar 18, 2008
Last updated in NPPES Mar 18, 2008
Taxonomy & licenses
RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy.
About the RPH 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 William Fegyveresi?
The National Provider Identifier (NPI) for William Fegyveresi is 1811168792, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Fegyveresi practice?
The practice location on file with NPPES is in Holbrook, NY. 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 2008-03-18.