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

Mr. James Alexander Lastowski, APRN

Critical Care Medicine Nurse Practitioner in Sanford, FL · enumerated 2018.

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

National Provider Identifier

1851886840

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Registry record

Entity type Individual (Type 1)

Name Mr. James Alexander Lastowski

Credential APRN

Sex Male

Practice address Sanford, FL, 32771

Phone (407) 833-7505

Fax (407) 833-7509

Enumeration date Jun 22, 2018

Last updated in NPPES May 20, 2026

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

Taxonomy & licenses

363LC0200X Critical Care Medicine Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APRN9285985 (FL) Primary

363LA2100X Acute Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 9285985 (FL) Secondary

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APRN9285985 (FL) Secondary

363LG0600X Gerontology Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APRN9285985 (FL) Secondary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

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 James Lastowski?

The National Provider Identifier (NPI) for James Lastowski is 1851886840, a Type 1 (individual) record in the CMS NPPES registry.

Where does James Lastowski practice?

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

Other providers at this practice address

Browse all →

Sanjiv Gray Surgical Critical Care Physician · Sanford, FL NPI 1992930499 Luis Taveras Morales Surgery Physician · Sanford, FL NPI 1255746244

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-20.