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Arlene Obrien, RPH

Geriatric Pharmacist in Historic New Castle, DE · enumerated 2021.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1184398083

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Registry record

Entity type Individual (Type 1)
Name Arlene Obrien
Credential RPH
Sex Female
Practice address 263 Quigley Blvd Ste 1b, Historic New Castle, DE, 19720
Phone (302) 356-5600
Enumeration date Aug 4, 2021
Last updated in NPPES Aug 4, 2021

Taxonomy & licenses

1835G0303X Geriatric Pharmacist Pharmacy Service Providers · License A1-0002657 (DE) Primary
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.

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Frequently asked questions

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Arlene Obrien?
Arlene Obrien is registered in NPPES with the primary taxonomy of Geriatric Pharmacist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-04.