Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Helen E Giannakopoulos, MD DMD

Oral & Maxillofacial Surgery (D.M.D.) in Pittsburgh, PA · enumerated 2006.

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

National Provider Identifier

1356379846

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Registry record

Entity type Individual (Type 1)

Name Helen E Giannakopoulos

Credential MD DMD

Sex Female

Practice address 3501 Terrace Street G-32 Salk Hall, Pittsburgh, PA, 15261

Phone (412) 648-6807

Fax (412) 648-6835

Enumeration date Jun 30, 2006

Last updated in NPPES Jun 20, 2025

Taxonomy & licenses

1223S0112X Oral and Maxillofacial Surgery (Dentist) Dental Providers · License DS030894L (PA) Secondary

204E00000X Oral & Maxillofacial Surgery (D.M.D.) Allopathic & Osteopathic Physicians · License MD423518 (PA) Primary

Other identifiers

Identifier	Type	State	Issuer
0018968140003	Medicaid	PA	-

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 is the NPI number for Helen Giannakopoulos?

The National Provider Identifier (NPI) for Helen Giannakopoulos is 1356379846, a Type 1 (individual) record in the CMS NPPES registry.

Where does Helen Giannakopoulos practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-20.