Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Leslie G Oleck, CNS, LMFT

Q: What is the NPI number for Leslie Oleck?

The National Provider Identifier (NPI) for Leslie Oleck is 1356567846, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Nurse Specialist in Indianapolis, IN · enumerated 2007.

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

National Provider Identifier

1356567846

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Registry record

Entity type Individual (Type 1)

Name Leslie G Oleck

Credential CNS, LMFT

Sex Female

Practice address 9670 E Washington St, Ste120, Indianapolis, IN, 46229

Phone (317) 890-5700

Fax (317) 890-5717

Enumeration date Apr 17, 2007

Last updated in NPPES Feb 18, 2014

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 35001274A (IN) Secondary

364S00000X Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License 35001274 (IN) Primary

LMFT · Licensed Marriage and Family Therapist: A licensed therapist specializing in relational and family psychotherapy. About the LMFT credential

Other identifiers

Identifier	Type	State	Issuer
200976370	Medicaid	IN	-

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 Oleck?

The National Provider Identifier (NPI) for Leslie Oleck is 1356567846, a Type 1 (individual) record in the CMS NPPES registry.

Where does Leslie Oleck practice?

The practice location on file with NPPES is in Indianapolis, IN. 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 2014-02-18.