Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Hillary Manaster

Social Worker in Northbrook, IL · enumerated 2021.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1235809351

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Registry record

Entity type Individual (Type 1)

Name Hillary Manaster

Sex Female

Practice address 255 Revere Dr Ste 200, Northbrook, IL, 60062

Phone (855) 275-5237

Enumeration date Sep 20, 2021

Last updated in NPPES Sep 20, 2021

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers Primary

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Hillary Manaster 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 Hillary Manaster?

The National Provider Identifier (NPI) for Hillary Manaster is 1235809351, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-20.