Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Harlan Michael Leach, PSY.D.

Clinical Psychologist in Columbus, GA · enumerated 2021.

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

National Provider Identifier

1811667553

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Registry record

Entity type Individual (Type 1)

Name Harlan Michael Leach

Credential PSY.D.

Sex Male

Practice address 6600 Van Aalst Blvd, Columbus, GA, 31905

Phone (762) 408-2273

Enumeration date Sep 15, 2021

Last updated in NPPES Sep 15, 2021

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 0810007313 (VA) Primary

PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD credential

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

Is NPI 1811667553 active?

Yes, as of the latest NPPES snapshot, NPI 1811667553 is active (record last updated 2021-09-15).

How do I verify Harlan Leach's NPI record?

Cross-check NPI 1811667553 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-15.