Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Patricia J Balducci, LCSWC

Clinical Social Worker in Millsboro, DE · enumerated 2006.

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

National Provider Identifier

1558421909

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Registry record

Entity type Individual (Type 1)

Name Mrs. Patricia J Balducci

Credential LCSWC

Sex Female

Practice address 29787 John J Williams Hwy Unit 8, Millsboro, DE, 19966

Phone (800) 818-8680

Fax (800) 818-8680

Enumeration date Dec 8, 2006

Last updated in NPPES Sep 19, 2019

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 03640 (MD) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License Q1-0001330 (DE) Primary

Other identifiers

Identifier	Type	State	Issuer
KC83K1	Other	MD	BLUE CROSS BLUE SHIELD
100026715001	Other	MD	APS
T460	Other	MD	BLUE CHOICE

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 Patricia Balducci practice?

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

What is the NPI number for Patricia Balducci?

The National Provider Identifier (NPI) for Patricia Balducci is 1558421909, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Tanisha Crockett Family Nurse Practitioner · Millsboro, DE NPI 1093342420

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-09-19.