Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Rebecca Hornung Jiannuzzi, PNP

Pediatrics Physician in Summerville, SC · enumerated 2006.

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

National Provider Identifier

1144200726

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Registry record

Entity type Individual (Type 1)

Name Mrs. Rebecca Hornung Jiannuzzi

Credential PNP

Sex Female

Practice address 312 Midland Parkway, Summerville, SC, 29485

Phone (843) 875-6262

Fax (843) 873-7958

Enumeration date Jan 19, 2006

Last updated in NPPES Feb 17, 2012

Taxonomy & licenses

363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2803 (SC) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 20051312 (SC) Primary

Other identifiers

Identifier	Type	State	Issuer
028035	Medicaid	SC	-

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 Rebecca Jiannuzzi?

The National Provider Identifier (NPI) for Rebecca Jiannuzzi is 1144200726, a Type 1 (individual) record in the CMS NPPES registry.

Where does Rebecca Jiannuzzi practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-02-17.