Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Advanced Sleep and Gastroenterology Laboratories,Inc.

Gastroenterology Physician in Modesto, CA · enumerated 2011 · authorized official Jonathan Davidson, Ceo.

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

National Provider Identifier

1396020947

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Registry record

Entity type Organization (Type 2)

Legal business name Advanced Sleep and Gastroenterology Laboratories,Inc.

Practice address 4206 Technology Dr Ste 2, Modesto, CA, 95356

Phone (209) 492-0735

Fax (209) 579-2354

Enumeration date Oct 14, 2011

Last updated in NPPES Oct 14, 2011

Taxonomy & classification

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians Primary

207RS0012X Sleep Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians Secondary

Authorized official

Name Jonathan Davidson

Title Ceo

Phone (209) 751-7165

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.

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Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2011-10-14. Verify at npiregistry.cms.hhs.gov.

Where is Advanced Sleep and Gastroenterology Laboratories,Inc. located?

The practice location on file with NPPES is in Modesto, CA.

Providers at this address

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Advanced Sleep Disorder Center, Inc. Clinic/Center · Modesto, CA NPI 1568646826

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-14.