NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Lynn Buck, LCPC

Mental Health Counselor in Plainfield, IL · enumerated 2019.

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

National Provider Identifier

1982246294

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mr. Lynn Buck
Credential LCPC
Sex Male
Practice address 24047 W Lockport St Ste 201g, Plainfield, IL, 60544
Enumeration date Oct 9, 2019
Last updated in NPPES May 29, 2025

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 178015209 (IL) Primary

Other identifiers

Identifier Type State Issuer
178015209 Other IL IDFPR

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 Lynn Buck?
The National Provider Identifier (NPI) for Lynn Buck is 1982246294, a Type 1 (individual) record in the CMS NPPES registry.
Where does Lynn Buck practice?
The practice location on file with NPPES is in Plainfield, IL. 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 2025-05-29.