Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Adam Joseph Lessing

Q: What is the NPI number for Adam Lessing?

The National Provider Identifier (NPI) for Adam Lessing is 1326722414, a Type 1 (individual) record in the CMS NPPES registry.

Student in an Organized Health Care Education/Training Program in Pasadena, CA · enumerated 2023.

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

National Provider Identifier

1326722414

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Registry record

Entity type Individual (Type 1)

Name Adam Joseph Lessing

Sex Male

Practice address 98 S Los Robles Ave, Pasadena, CA, 91101

Phone (888) 576-3348

Enumeration date Jun 9, 2023

Last updated in NPPES Jun 9, 2023

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care 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

What is the NPI number for Adam Lessing?

The National Provider Identifier (NPI) for Adam Lessing is 1326722414, a Type 1 (individual) record in the CMS NPPES registry.

Where does Adam Lessing practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-09.