NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Victoria Marlene Orloff Tilton, MSW,LCSW

Clinical Social Worker in Ventura, CA · enumerated 2011 · practices at Heidi Y. Kwan Phd Psychologist PC.

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

National Provider Identifier

1598063968

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Registry record

Entity type Individual (Type 1)
Name Ms. Victoria Marlene Orloff Tilton
Credential MSW,LCSW
Sex Female
Practice address Ventura, CA, 93003
Enumeration date Mar 8, 2011
Last updated in NPPES Dec 10, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LCS 15581 (CA) Primary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW 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 specialty is Victoria Orloff Tilton?
Victoria Orloff Tilton is registered in NPPES with the primary taxonomy of Clinical Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-12-10.