Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Dawn N Hirsch-Gregorio, MS, LCPC, CADC, MAAT

Professional Counselor in Alton, IL · enumerated 2008.

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

National Provider Identifier

1609020486

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Mrs. Dawn N Hirsch-Gregorio

Credential MS, LCPC, CADC, MAAT

Sex Female

Practice address 2615 Edwards St, Alton, IL, 62002

Phone (618) 462-2331

Enumeration date Nov 6, 2008

Last updated in NPPES Nov 6, 2008

Taxonomy & licenses

101YP2500X Professional Counselor 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

What is the NPI number for Dawn Hirsch-Gregorio?

The National Provider Identifier (NPI) for Dawn Hirsch-Gregorio is 1609020486, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dawn Hirsch-Gregorio practice?

The practice location on file with NPPES is in Alton, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Mirza Baig Psychiatry Physician · Alton, IL NPI 1033203013 Centerstone of Illinois, Inc Community/Behavioral Health Agency · Alton, IL NPI 1659465789 Susan Sherman Psychiatry Physician · Alton, IL NPI 1821158288 Anita Kuehlem-Doroghazi Professional Counselor · Alton, IL NPI 1063566081 Vicki Young Family Nurse Practitioner · Alton, IL NPI 1518179654 Kenneth Lane Professional Counselor · Alton, IL NPI 1568650521 John Higgins Clinical Social Worker · Alton, IL NPI 1184891582 Lindsey Perdun Professional Counselor · Alton, IL NPI 1790949220

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-11-06.