Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Courtney Greenfader
Behavior Technician in Oak Lawn, IL · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1760098347
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Registry record
Entity type Individual (Type 1)
Name Courtney Greenfader
Sex Female
Practice address 5102 Museum Dr, Oak Lawn, IL, 60453
Phone (617) 863-9090
Enumeration date Sep 19, 2020
Last updated in NPPES Sep 19, 2020
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 this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Courtney Greenfader?
Courtney Greenfader is registered in NPPES with the primary taxonomy of Behavior Technician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Karina Martinez Behavior Analyst · Oak Lawn, IL NPI 1649801085 Lakeisha Black Behavior Analyst · Oak Lawn, IL NPI 1184245052 Larry Greene Behavior Technician · Oak Lawn, IL NPI 1417557372 Haley Hoffman Behavior Technician · Oak Lawn, IL NPI 1275135576 Latoya Morris Behavior Technician · Oak Lawn, IL NPI 1255913919 Amanda Gilhooly Behavior Technician · Oak Lawn, IL NPI 1922682491 Lorry Joseph Behavior Technician · Oak Lawn, IL NPI 1427625912 Xoliswa Disipi Behavior Technician · Oak Lawn, IL NPI 1437729118
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-19.