Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Atlanta Metro Psychiatric Associates

Addiction Psychiatry Physician in Stone Mountain, GA · enumerated 2008 · authorized official Dennis O'Brien, Medical Director.

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

National Provider Identifier

1649440140

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Registry record

Entity type Organization (Type 2)

Legal business name Atlanta Metro Psychiatric Associates

Practice address 4641 Stonegate Industrial Blvd, Stone Mountain, GA, 30083

Phone (404) 377-5556

Fax (404) 292-9903

Enumeration date Mar 11, 2008

Last updated in NPPES May 12, 2011

Taxonomy & classification

2084P0802X Addiction Psychiatry Physician Allopathic & Osteopathic Physicians · License 028593 (GA) Primary

Authorized official

Name Dennis O'Brien

Title Medical Director

Phone (404) 377-5556

Other identifiers

Identifier	Type	State	Issuer
000483348A	Medicaid	GA	-

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

Where is Atlanta Metro Psychiatric Associates located?

The practice location on file with NPPES is in Stone Mountain, GA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2011-05-12. Verify at npiregistry.cms.hhs.gov.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-05-12.