Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Leslie Markowitz, PSYD, LP, BCBA

Clinical Psychologist in Lake Elmo, MN · enumerated 2013 · practices at Group Health Plan Inc.

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

National Provider Identifier

1124455324

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Registry record

Entity type Individual (Type 1)

Name Dr. Leslie Markowitz

Credential PSYD, LP, BCBA

Sex Female

Practice address 8550 Hudson Blvd N, Lake Elmo, MN, 55042

Phone (651) 254-8580

Fax (651) 254-0601

Enumeration date Oct 2, 2013

Last updated in NPPES Mar 10, 2020

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-20-41487 Secondary

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License LP6121 (MN) 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

What is the NPI number for Leslie Markowitz?

The National Provider Identifier (NPI) for Leslie Markowitz is 1124455324, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leslie Markowitz practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-03-10.