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

Sara N Mendelson, LCSW

Clinical Social Worker in Chesapeake, VA · enumerated 2015 · practices at Affinity Healthcare Group LLC.

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

National Provider Identifier

1861870388

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Registry record

Entity type Individual (Type 1)

Name Sara N Mendelson

Credential LCSW

Sex Female

Practice address Chesapeake, VA, 23321

Phone (757) 673-3644

Fax (757) 337-0165

Enumeration date May 16, 2015

Last updated in NPPES May 16, 2015

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 0904003175 (VA) 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

How do I verify Sara Mendelson's NPI record?

Cross-check NPI 1861870388 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1861870388 active?

Yes, as of the latest NPPES snapshot, NPI 1861870388 is active (record last updated 2015-05-16).

Other providers at this practice address

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Affinity Healthcare Group LLC Surgery Physician · Chesapeake, VA NPI 1720479504

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-05-16.