NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Chelsea Larson

Nurse Practitioner in Wilmington, DE · enumerated 2018 · practices at Christiana Care Health Services Inc.

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

National Provider Identifier

1770087595

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Chelsea Larson
Sex Female
Practice address 125 S West St, Wilmington, DE, 19801
Phone (302) 428-4475
Fax (302) 428-4480
Enumeration date Mar 19, 2018
Last updated in NPPES Jul 2, 2026

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License LG-0001144 (DE) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License LG-0001144 (DE) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP018599 (PA) Primary

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

Is NPI 1770087595 active?
Yes, as of the latest NPPES snapshot, NPI 1770087595 is active (record last updated 2026-07-02).
How do I verify Chelsea Larson's NPI record?
Cross-check NPI 1770087595 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

Browse all →

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