Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sonal K Gandhi, DDS

Dentist in Joliet, IL · enumerated 2010.

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

National Provider Identifier

1659689271

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Registry record

Entity type Individual (Type 1)

Name Dr. Sonal K Gandhi

Credential DDS

Sex Female

Practice address 1106 Neal Ave, Joliet, IL, 60433

Phone (815) 774-7300

Enumeration date Sep 16, 2010

Last updated in NPPES Sep 20, 2010

Taxonomy & licenses

122300000X Dentist Dental Providers · License 019020759 (IL) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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

Is NPI 1659689271 active?

Yes, as of the latest NPPES snapshot, NPI 1659689271 is active (record last updated 2010-09-20).

How do I verify Sonal Gandhi's NPI record?

Cross-check NPI 1659689271 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 2010-09-20.