NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Aaron Crowell

Certified Registered Nurse Anesthetist in Towson, MD · enumerated 2024.

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

National Provider Identifier

1457113318

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Aaron Crowell
Sex Male
Practice address 6701 N Charles St, Towson, MD, 21204
Enumeration date Jan 26, 2024
Last updated in NPPES Apr 7, 2025

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License R234267 (MD) Secondary
367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License RN727899 (PA) Primary

Other identifiers

Identifier Type State Issuer
2168286 Medicaid MD -

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 Aaron Crowell?
The National Provider Identifier (NPI) for Aaron Crowell is 1457113318, a Type 1 (individual) record in the CMS NPPES registry.
Where does Aaron Crowell practice?
The practice location on file with NPPES is in Towson, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-07.