Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Yvonne Clark O'Brien, RPH
Pharmacist in Center Moriches, NY · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1568755270
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Registry record
Entity type Individual (Type 1)
Name Yvonne Clark O'Brien
Credential RPH
Sex Female
Practice address 812 Montauk Highway, Waldbaums Inc, Center Moriches, NY, 11934
Phone (631) 874-9025
Enumeration date May 27, 2011
Last updated in NPPES May 27, 2011
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 Yvonne O'Brien?
The National Provider Identifier (NPI) for Yvonne O'Brien is 1568755270, a Type 1 (individual) record in the CMS NPPES registry.
Where does Yvonne O'Brien practice?
The practice location on file with NPPES is in Center Moriches, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-05-27.