Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Gregory V Chamberlin, L.A.D.C

Addiction (Substance Use Disorder) Counselor in Hopkins, MN · enumerated 2007.

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

National Provider Identifier

1588700918

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Registry record

Entity type Individual (Type 1)

Name Mr. Gregory V Chamberlin

Credential L.A.D.C

Sex Male

Practice address 237 6th Ave N, Hopkins, MN, 55343

Phone (952) 938-1648

Enumeration date Jan 30, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 301791 (MN) 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 Gregory Chamberlin?

The National Provider Identifier (NPI) for Gregory Chamberlin is 1588700918, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Chamberlin practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.