Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

David Lang, CASAC-T

Q: What is the NPI number for David Lang?

The National Provider Identifier (NPI) for David Lang is 1164318333, a Type 1 (individual) record in the CMS NPPES registry.

Addiction (Substance Use Disorder) Counselor in Suffern, NY · enumerated 2025.

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

National Provider Identifier

1164318333

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Registry record

Entity type Individual (Type 1)

Name David Lang

Credential CASAC-T

Sex Male

Practice address 113 Bon Aire Cir W, Suffern, NY, 10901

Phone (845) 293-5628

Enumeration date Jun 16, 2025

Last updated in NPPES Jun 17, 2026

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 40038 (NY) Primary

146N00000X Basic Emergency Medical Technician Emergency Medical Service Providers · License 369013 (NY) Secondary

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

Where does David Lang practice?

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

What is the NPI number for David Lang?

The National Provider Identifier (NPI) for David Lang is 1164318333, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-17.