Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary Maraventano Stried
Counselor in Chicago, IL · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821340613
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Registry record
Entity type Individual (Type 1)
Name Mary Maraventano Stried
Sex Female
Practice address 200 W Madison St Ste 2100, Chicago, IL, 60606
Phone (224) 470-8061
Fax (773) 353-1581
Enumeration date Oct 4, 2012
Last updated in NPPES Oct 23, 2019
Taxonomy & licenses
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
Is NPI 1821340613 active?
Yes, as of the latest NPPES snapshot, NPI 1821340613 is active (record last updated 2019-10-23).
How do I verify Mary Maraventano Stried's NPI record?
Cross-check NPI 1821340613 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-23.