Individual provider Active NPI

Ahmed Aly Messallam, M.D

  • Gastroenterology Physician
  • Marietta, GA
National Provider Identifier
1629489547
Registry record updated Dec 12, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
74933 Issued in GA
Practice address
780 Canton Rd NE Ste 328
Marietta, GA 30060-7289
Phone
(470) 267-1760
Fax
(470) 986-7002
NPI assigned
May 13, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 12, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X GA
Gastroenterology Physician 207RG0100X 74933 GA Primary

Addresses

Primary practice location

780 Canton Rd NE Ste 328
Marietta, GA 30060-7289

Mailing address

780 Canton Rd NE Ste 328
Marietta, GA 30060-7289
Phone (470) 267-1760

Other practice location 1

69 Jesse Hill Jr Dr SE
Internal Medicine Residnecy Program
Atlanta, GA 30303-3033
Phone (404) 251-8788

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address amessallam534109@directwellstar.org Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200528001476 GA Practitioner - GastroenterologyPractitioner - Internal Medicine 4587967062 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Wellstar Medical Group LLCGroup PAC ID 6709065402, 3,059 clinicians

Practice addresses (Care Compare)

1810 White Cir
Suite 105
Marietta, GA 30066-5836
Phone (678) 797-6820

2540 Windy Hill Rd
Marietta, GA 30067-8605
Phone (770) 644-1570

2540 Windy Hill Serd
Marietta, GA 30067-8605
Phone (770) 644-1274

2550 Windy Hill Rd SE
Suite 220
Marietta, GA 30067-8605
Phone (404) 321-9900

3950 Austell Rd
Austell, GA 30106-1121
Phone (770) 732-4022

5150 Stilesboro N W Rd
Suite 220
Kennesaw, GA 30152-7742
Phone (770) 424-8222

625 Church Nest
Marietta, GA 30060-1101
Phone (770) 422-2004

677 Church Nest
Marietta, GA 30060-1101

677 Church St NE
Suite 100P
Marietta, GA 30060-1101
Phone (470) 793-8585

780 Canton Rd NE
Suite 328
Marietta, GA 30060-7289
Phone (470) 267-1760

Hospital & facility affiliations

  • Wellstar Kennestone Regional Medical Center Hospital, Marietta, GA, CCN 110035
  • Wellstar Cobb Medical Center Hospital, Austell, GA, CCN 110143
  • Wellstar Paulding Medical Center Hospital, Hiram, GA, CCN 110042
  • Wellstar North Fulton Medical Center Hospital, Roswell, GA, CCN 110198
  • Wellstar Douglas Medical Center Hospital, Douglasville, GA, CCN 110184
  • Wellstar Windy Hill Hospital Long-term care hospital, Marietta, GA, CCN 112007

Merit-based Incentive Payment System (MIPS)

Final score
93.93 of 100Reported as apm
Quality
82.14
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
91.62 of 100Reported as apm
Quality
83.25
Promoting interoperability
100
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy81
Upper gastrointestinal (GI) endoscopy for acid reflux242

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
006759GAMDProfessional Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Wellstar Medical Group, LLC CurrentSince Sep 15, 2023 Accepting new patients
Wellstar Medical Group, LLC Current Accepting new patients
Emory Specialty Associates, LLC Past Accepting new patients

Locations

5150 Stilesboro Rd NW
Ste 220
Kennesaw, GA 30152
Phone (770) 424-8222

780 Canton Rd NE
Ste 328
Marietta, GA 30060
Phone (470) 267-1760

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1399939200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1733961600000",
    "number": "1629489547",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "780 CANTON RD NE STE 328",
            "city": "MARIETTA",
            "state": "GA",
            "postal_code": "300607289",
            "telephone_number": "470-267-1760",
            "fax_number": "470-986-7002"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "780 CANTON RD NE STE 328",
            "city": "MARIETTA",
            "state": "GA",
            "postal_code": "300607289",
            "telephone_number": "470-267-1760",
            "fax_number": "470-986-7002"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "69 Jesse Hill Jr Dr SE",
            "address_2": "Internal Medicine Residnecy Program",
            "address_purpose": "LOCATION",
            "city": "Atlanta",
            "state": "GA",
            "postal_code": "303033033",
            "country_code": "US",
            "telephone_number": "404-251-8788",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MESSALLAM",
        "first_name": "AHMED",
        "middle_name": "ALY",
        "name_prefix": "Dr.",
        "credential": "M.D",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-05-13",
        "last_updated": "2024-12-12",
        "certification_date": "2024-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "GA",
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "GA",
            "license": "74933",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "amessallam534109@directwellstar.org",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "780 Canton Rd NE Ste 328",
            "city": "Marietta",
            "state": "GA",
            "country_code": "US",
            "postal_code": "300607289",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Marietta, GA

Sources for this page

Verify at the official NPI Registry.