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

Mayra Perez Lopez

Clinical Social Worker in Santa Rosa, CA · enumerated 2009 · practices at Department of Health Services.

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

National Provider Identifier

1669605374

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Registry record

Entity type Individual (Type 1)

Name Mayra Perez Lopez

Sex Female

Practice address Santa Rosa, CA, 95409

Phone (707) 565-6318

Enumeration date Aug 27, 2009

Last updated in NPPES Nov 14, 2021

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 97377 (CA) Primary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License RI-P0908271359 (CA) Secondary

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 Mayra Perez Lopez?

Mayra Perez Lopez 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 2021-11-14.