Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Maria B Solis

Specialist in Modesto, CA · enumerated 2024.

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

National Provider Identifier

1639928229

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Registry record

Entity type Individual (Type 1)

Name Maria B Solis

Sex Female

Practice address 920 16th St, Modesto, CA, 95354

Phone (209) 558-4595

Fax (209) 558-8031

Enumeration date May 15, 2024

Last updated in NPPES May 15, 2024

Taxonomy & licenses

174400000X Specialist Other Service Providers 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

Is NPI 1639928229 active?

Yes, as of the latest NPPES snapshot, NPI 1639928229 is active (record last updated 2024-05-15).

How do I verify Maria Solis's NPI record?

Cross-check NPI 1639928229 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-15.