Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Barbara Green, RDH
Dental Hygienist in Chicago, IL · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1780005603
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Registry record
Entity type Individual (Type 1)
Name Mrs. Barbara Green
Credential RDH
Sex Female
Practice address 2800 S California Ave, Chicago, IL, 60608
Phone (773) 674-3794
Enumeration date Dec 19, 2013
Last updated in NPPES Dec 19, 2013
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
Where does Barbara Green practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Barbara Green?
The National Provider Identifier (NPI) for Barbara Green is 1780005603, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → John H. Stroger Jr. Hospital of Cook County General Practice Physician · Chicago, IL NPI 1962421891 John Raba Internal Medicine Physician · Chicago, IL NPI 1295759033 Andrew Defuniak Family Medicine Physician · Chicago, IL NPI 1508951351 Enoch Anaglate Internal Medicine Physician · Chicago, IL NPI 1649342783 Chad Zawitz Infectious Disease Physician · Chicago, IL NPI 1548384852 Terrance Baker Family Medicine Physician · Chicago, IL NPI 1750403572 Yan Yu Family Medicine Physician · Chicago, IL NPI 1346362688 Carlos Altez Physician Assistant · Chicago, IL NPI 1871716738
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-19.