NPI Portal NPI Lookup & Verification

Mr. Mark Robert Paley, R.PH.

Mr. Mark Robert Paley is a Pharmacist provider (Pharmacist) practicing in Chicago, IL, registered in the NPPES registry with NPI 1558354498 since 2005. The credential RPH stands for Registered Pharmacist.

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NPI 1558354498
Entity type Individual (Type 1)
Name Mr. Mark Robert Paley
Credential R.PH.
Sex Male
Practice address 845 N MICHIGAN AVE, 902 WEST, Chicago, IL, 60611
Phone 3122801220
Fax 3122807794
Enumeration date 2005-08-25
Last updated in NPPES 2007-07-08

Taxonomy & licenses

Taxonomy code Specialty Primary License State
183500000X Pharmacist Primary IL

RPH — Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy. About the RPH credential

Copy-ready billing details
Provider: Mark Paley, R.PH.
NPI: 1558354498
Taxonomy: 183500000X (Pharmacist)
Address: 845 N MICHIGAN AVE, 902 WEST, Chicago, IL, 60611

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1619041944 Martha Proctor Individual Endodontics Chicago, IL

Verify this record

Cross-check NPI 1558354498 against the authoritative CMS record: view Mr. Mark Robert Paley on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Mark Paley?
The National Provider Identifier (NPI) for Mark Paley is 1558354498, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Paley practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.