Organization Active NPI

Aga, LLC

Doing business as Atlanta Gastroenterology Associates

  • Gastroenterology Physician
  • Atlanta, GA
National Provider Identifier
1124064118
Registry record updated Jun 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
Legal business name
AGA, LLC
Doing business as
Atlanta Gastroenterology Associates
Practice address
550 Peachtree St NE Ste 1600
Atlanta, GA 30308-2246
Phone
(404) 881-1094
Fax
(404) 253-6896
NPI assigned
Jun 20, 2006
Last updated
Jun 9, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 9, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Jung Whun Suh, MDNPI 1952512105
Title
Chief Medical Officer
Phone
(404) 881-1094

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RG0100X Primary
Hepatology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RI0008X

Addresses

Primary practice location

550 Peachtree St NE Ste 1600
Atlanta, GA 30308-2246

Mailing address

10 Glenlake Pkwy Ste 900
Sandy Springs, GA 30328-7249
Phone (404) 888-7575

Other names 1

  • Atlanta Gastroenterology Associates Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GA, NC, SC3 enrollments

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
O20040506000726 GA Part B Supplier - Clinic/Group Practice 2365431350 Receives reassigned benefits from 279 practitioners
O20151222000004 NC Part B Supplier - Clinic/Group Practice 2365431350 Receives reassigned benefits from 2 practitioners
Practice locations: Murphy, NC
O20200922001012 SC Part B Supplier - Clinic/Group Practice 2365431350 Receives reassigned benefits from 3 practitioners
Practice locations: Hardeeville, SC

National Provider Directory

National Provider Directory

Member organizations 8

Organizations listed as members of this organization in the National Provider Directory.

Locations (25 of 78)

1000 Mansell Exchange W
#200
Alpharetta, GA 30022

1000 Mansell Exchange W
Ste 200
Alpharetta, GA 30022

1000 Mansell Exchange W
Ste 210
Alpharetta, GA 30022

1000 Mansell Exchange W
Ste 360
Alpharetta, GA 30022

11975 Morris Rd
Ste 125
Alpharetta, GA 30005
Phone (404) 297-9000

3180 North Point Pkwy
Ste 511
Alpharetta, GA 30005

3400 Old Milton Pkwy
Ste 380
Alpharetta, GA 30005
Phone (678) 982-1485

3400 Old Milton Pkwy
Ste A340
Alpharetta, GA 30005

3400 Old Milton Pkwy
Ste C380
Alpharetta, GA 30005
Phone (770) 777-7707

1110 W Peachtree St NW
Ste 840
Atlanta, GA 30309
Phone (404) 888-7601

1800 Howell Mill Rd NW
Ste 130A
Atlanta, GA 30318
Phone (404) 532-1564

1801 Howell Mill Rd NW
Ste 601
Atlanta, GA 30318

1955 Cliff Valley Way NE
Ste 120
Atlanta, GA 30329
Phone (404) 633-0664

20 Linden Ave NE
Ste 500
Atlanta, GA 30308

340 Boulevard NE
Ste 145
Atlanta, GA 30312
Phone (404) 523-2701

550 Peachtree St NE
Ste 1020
Atlanta, GA 30308
Phone (404) 874-3467

550 Peachtree St NE
Ste 1720
Atlanta, GA 30308
Phone (404) 253-6824

2855 Old Highway 5
Ste 105
Blue Ridge, GA 30513
Phone (706) 258-3661

2020 Cumming Hwy
#102
Canton, GA 30115
Phone (678) 593-1295

2020 Cumming Hwy
Ste B
Canton, GA 30115

1720 Phoenix Blvd
Ste 200
College Park, GA 30349
Phone (404) 351-9512

1501 Milstead Rd NE
Ste 120
Conyers, GA 30012
Phone (678) 745-3033

1100 Northside Forsyth Dr
Ste 200
Cumming, GA 30041
Phone (770) 205-9723

1505 Northside Blvd
Ste 200
Cumming, GA 30041

73 Prestige Ln
Ste 203
Dawsonville, GA 30534

Practitioners & affiliated clinicians

Practitioners 290

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 290

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1150761600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1780963200000",
    "number": "1124064118",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10 GLENLAKE PKWY STE 900",
            "city": "SANDY SPRINGS",
            "state": "GA",
            "postal_code": "303287249",
            "telephone_number": "404-888-7575",
            "fax_number": "404-253-6896"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 PEACHTREE ST NE STE 1600",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303082246",
            "telephone_number": "404-881-1094",
            "fax_number": "404-253-6896"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "AGA, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-06-20",
        "last_updated": "2026-06-09",
        "certification_date": "2026-06-09",
        "status": "A",
        "authorized_official_last_name": "SUH",
        "authorized_official_first_name": "JUNG",
        "authorized_official_middle_name": "WHUN",
        "authorized_official_title_or_position": "CHIEF MEDICAL OFFICER",
        "authorized_official_telephone_number": "404-881-1094",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Gastroenterology",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207RI0008X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Hepatology",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Atlanta Gastroenterology Associates",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Atlanta Gastroenterology Associates",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Atlanta, GA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 9, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.