Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Transitions Delaware LLC

Q: What is the NPI number for Transitions Delaware LLC?

The NPI for Transitions Delaware LLC is 1639685324, a Type 2 (organization) record in the CMS NPPES registry.

Clinical Social Worker in Wilmington, DE · enumerated 2017 · authorized official Karla Fleshman, Owner.

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

National Provider Identifier

1639685324

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Registry record

Entity type Organization (Type 2)

Legal business name Transitions Delaware LLC

Practice address 1305 Kirkwood Hwy, Wilmington, DE, 19805

Phone (302) 440-6737

Fax (302) 482-4728

Enumeration date Dec 18, 2017

Last updated in NPPES Apr 2, 2026

Taxonomy & classification

101Y00000X Counselor Behavioral Health & Social Service Providers · License Q1-0001024 (DE) Secondary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Secondary

103TF0000X Family Psychologist Behavioral Health & Social Service Providers Secondary

104100000X Social Worker Behavioral Health & Social Service Providers Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers Primary

Authorized official

Name Karla Fleshman

Title Owner

Phone (302) 440-6737

Other identifiers

Identifier	Type	State	Issuer
250540525	Medicaid	DE	-
250539274	Medicaid	DE	-
250560882	Medicaid	DE	-

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 Transitions Delaware LLC?

The NPI for Transitions Delaware LLC is 1639685324, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Transitions Delaware LLC?

NPPES lists Karla Fleshman (Owner) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-02.