Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Joan Chatterton, LCSW, RN, CADC

Registered Nurse in Wilmington, DE · enumerated 2007.

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

National Provider Identifier

1528198900

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Registry record

Entity type Individual (Type 1)

Name Ms. Joan Chatterton

Credential LCSW, RN, CADC

Sex Female

Practice address Wilmington, DE, 19808

Phone (302) 999-1106

Fax (302) 999-1753

Enumeration date Mar 6, 2007

Last updated in NPPES Sep 11, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 257 (DE) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License Q1-0000530 (DE) Secondary

163W00000X Registered Nurse Nursing Service Providers · License L1- 0014019 (DE) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
5844509	Other	DE	AETNA PROVIDER ID #

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 Joan Chatterton?

The National Provider Identifier (NPI) for Joan Chatterton is 1528198900, a Type 1 (individual) record in the CMS NPPES registry.

Where does Joan Chatterton practice?

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

Other providers at this practice address

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Jennifer Cutrona Addiction (Substance Use Disorder) Counselor · Wilmington, DE NPI 1316138456 Mary Schuler Chiropractor · Wilmington, DE NPI 1700030426

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.