Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Atlantic Diagnostic Services, LLC

Q: What is the NPI number for Atlantic Diagnostic Services, LLC?

The NPI for Atlantic Diagnostic Services, LLC is 1033544630, a Type 2 (organization) record in the CMS NPPES registry.

Physiological Laboratory in Hernando, MS · enumerated 2013 · authorized official John Pereira, Managing Member.

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

National Provider Identifier

1033544630

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Registry record

Entity type Organization (Type 2)

Legal business name Atlantic Diagnostic Services, LLC

Practice address 165 W South Street, Suite 202, Hernando, MS, 38632

Phone (855) 717-6838

Fax (888) 371-4191

Enumeration date Sep 13, 2013

Last updated in NPPES Jan 28, 2014

Taxonomy & classification

293D00000X Physiological Laboratory Laboratories Primary

Authorized official

Name John Pereira

Title Managing Member

Phone (662) 469-3000

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 is the NPI number for Atlantic Diagnostic Services, LLC?

The NPI for Atlantic Diagnostic Services, LLC is 1033544630, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Atlantic Diagnostic Services, LLC?

NPPES lists John Pereira (Managing Member) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-01-28.