Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Erika Oller
Social Worker in Northbrook, IL · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154064939
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Registry record
Entity type Individual (Type 1)
Name Erika Oller
Sex Female
Practice address 3100 Dundee Rd Ste 101, Northbrook, IL, 60062
Phone (847) 919-9096
Enumeration date Apr 19, 2022
Last updated in NPPES Apr 19, 2022
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 Erika Oller practice?
The practice location on file with NPPES is in Northbrook, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Erika Oller?
The National Provider Identifier (NPI) for Erika Oller is 1154064939, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Pamela Matos Professional Counselor · Northbrook, IL NPI 1104360080 Cynthia Benner Mental Health Counselor · Northbrook, IL NPI 1780163956 Maddison Dow Mental Health Counselor · Northbrook, IL NPI 1972129906 Sara Riggle Social Worker · Northbrook, IL NPI 1801566773 Carli Romanek Professional Counselor · Northbrook, IL NPI 1780316372 Ximena Andrino Professional Counselor · Northbrook, IL NPI 1518673219 Gabrielle Benoit Mental Health Counselor · Northbrook, IL NPI 1609564863 Anne Moyer Professional Counselor · Northbrook, IL NPI 1164114450
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-19.