Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Anastasia Vinnikova, LMSW

Social Worker in Potomac, MD · enumerated 2021 · practices at Second Chance Addiction Care.

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

National Provider Identifier

1649947615

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Registry record

Entity type Individual (Type 1)

Name Anastasia Vinnikova

Credential LMSW

Sex Female

Practice address 9800 Falls Rd Ste 7, Potomac, MD, 20854

Phone (301) 983-5130

Enumeration date Aug 26, 2021

Last updated in NPPES Aug 26, 2021

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 27399 (MD) Primary

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

Where does Anastasia Vinnikova practice?

The practice location on file with NPPES is in Potomac, MD. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Anastasia Vinnikova?

The National Provider Identifier (NPI) for Anastasia Vinnikova is 1649947615, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Second Chance Addiction Care Substance Abuse Rehabilitation Facility · Potomac, MD NPI 1093474900

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-26.