Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Duffy Counseling Center

Q: What is the NPI number for Duffy Counseling Center?

The NPI for Duffy Counseling Center is 1477310357, a Type 2 (organization) record in the CMS NPPES registry.

Mental Health Clinic/Center (Including Community Mental Health Center) in Mc Lean, VA · enumerated 2024 · authorized official Christine Ryan, Owner.

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

National Provider Identifier

1477310357

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Registry record

Entity type Organization (Type 2)

Legal business name Duffy Counseling Center

Practice address 1487 Chain Bridge Rd, Mc Lean, VA, 22101

Phone (703) 255-1091

Enumeration date Mar 6, 2024

Last updated in NPPES Mar 6, 2024

Taxonomy & classification

261QM0801X Mental Health Clinic/Center (Including Community Mental Health Center) Ambulatory Health Care Facilities Primary

Authorized official

Name Christine Ryan

Title Owner

Phone (703) 507-6258

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

Who is the authorized official for Duffy Counseling Center?

NPPES lists Christine Ryan (Owner) as the authorized official for this organization.

What is the NPI number for Duffy Counseling Center?

The NPI for Duffy Counseling Center is 1477310357, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

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Langley Residential Support Services Developmentally Disabled Services Day Training Agency · Mc Lean, VA NPI 1023087095 Langley Residential Support Services, Inc. Intellectual and/or Developmental Disabilities Community Based Residential Treatment Facility · Mc Lean, VA NPI 1770527160 Tanya Clausen Clinical Social Worker · Mc Lean, VA NPI 1366558926 Aaron Bourne Professional Counselor · Mc Lean, VA NPI 1144387283 Jeanine Carlson Clinical Psychologist · Mc Lean, VA NPI 1972794642 Melinda Timmons Marriage & Family Therapist · Mc Lean, VA NPI 1356678809 Sarah Tyler Clinical Social Worker · Mc Lean, VA NPI 1689905051

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-06.