Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Arnold Samuel Feldstein, RPH
Pharmacist in Orland Park, IL · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1396331831
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Registry record
Entity type Individual (Type 1)
Name Mr. Arnold Samuel Feldstein
Credential RPH
Sex Male
Practice address 13758 Secretariat Ln, Orland Park, IL, 60467
Phone (708) 218-0093
Enumeration date Dec 18, 2020
Last updated in NPPES Dec 18, 2020
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
Where does Arnold Feldstein practice?
The practice location on file with NPPES is in Orland Park, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Arnold Feldstein?
The National Provider Identifier (NPI) for Arnold Feldstein is 1396331831, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-18.