Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Mary E Miller, L.S.W.
Social Worker in Romeoville, IL · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1356322804
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Registry record
Entity type Individual (Type 1)
Name Mrs. Mary E Miller
Credential L.S.W.
Sex Female
Practice address 530 Glen Ave, Romeoville, IL, 60446
Phone (630) 624-6743
Enumeration date Nov 10, 2005
Last updated in NPPES Jul 8, 2007
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
What is the NPI number for Mary Miller?
The National Provider Identifier (NPI) for Mary Miller is 1356322804, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Miller practice?
The practice location on file with NPPES is in Romeoville, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.