Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Dawn Elaine Irwin-Groleau, M.ED, CCC-SLP

Speech-Language Pathologist in Hummelstown, PA · enumerated 2005 · practices at The Milton S Hershey Medical Center Physicians Group.

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

National Provider Identifier

1912906884

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Registry record

Entity type Individual (Type 1)

Name Mrs. Dawn Elaine Irwin-Groleau

Credential M.ED, CCC-SLP

Sex Female

Practice address 1135 Olde W Chocolate Ave, Hummelstown, PA, 17036

Phone (717) 833-5305

Enumeration date Jul 21, 2005

Last updated in NPPES Jan 27, 2015

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License SL004120L (PA) Primary

Other identifiers

Identifier	Type	State	Issuer
01849420	Medicaid	PA	-
20036905	Other	PA	AMERIHEALTH MERCY
02249901	Other	PA	CAPITAL BLUE CROSS
IR1300111	Other	PA	HIGHMARK BLUE SHIELD
2586470	Other	PA	AETNA US HEALTHCARE HMO
1537903	Other	PA	GATEWAY
7083250	Other	PA	AETNA US HEALTHCARE PPO

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.

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Frequently asked questions

What specialty is Dawn Irwin-Groleau?

Dawn Irwin-Groleau is registered in NPPES with the primary taxonomy of Speech-Language Pathologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-01-27.