Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Marlene M Wolf, LLC

Q: What type of organization is Marlene M Wolf, LLC?

Marlene M Wolf, LLC is registered in NPPES as a Marriage & Family Therapist (its primary provider taxonomy).

Marriage & Family Therapist in Stamford, CT · enumerated 2018 · authorized official Marlene Wolf, Owner/Clinician.

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

National Provider Identifier

1801371208

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Registry record

Entity type Organization (Type 2)

Legal business name Marlene M Wolf, LLC

Practice address 1200 High Ridge Rd, Stamford, CT, 06905

Phone (203) 856-9852

Enumeration date Oct 2, 2018

Last updated in NPPES Jul 31, 2024

Taxonomy & classification

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers Primary

Authorized official

Name Marlene Wolf

Title Owner/Clinician

Phone (203) 856-9852

Other identifiers

Identifier	Type	State	Issuer
004069985	Medicaid	CT	-

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Marlene M Wolf, LLC?

Marlene M Wolf, LLC is registered in NPPES as a Marriage & Family Therapist (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-31.