Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Chandra P. Castaldo, FNP-BC

Pain Medicine Physician in Oak Lawn, IL · enumerated 2016.

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

National Provider Identifier

1346794070

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Registry record

Entity type Individual (Type 1)

Name Mrs. Chandra P. Castaldo

Credential FNP-BC

Sex Female

Practice address 4440 W 95th St, Oak Lawn, IL, 60453

Phone (708) 684-4684

Fax (708) 520-1919

Enumeration date Aug 10, 2016

Last updated in NPPES Aug 30, 2024

Taxonomy & licenses

208VP0000X Pain Medicine Physician Allopathic & Osteopathic Physicians · License 209013943 (IL) Primary

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209013943 (IL) Secondary

Other identifiers

Identifier	Type	State	Issuer
20901343	Medicaid	IL	-

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

How do I verify Chandra Castaldo's NPI record?

Cross-check NPI 1346794070 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1346794070 active?

Yes, as of the latest NPPES snapshot, NPI 1346794070 is active (record last updated 2024-08-30).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-30.