NPIMap

Individual provider Active NPI

John Walton Simmons II, MD

  • Surgery Physician
  • Cartersville, GA
National Provider Identifier
1386840874
Registry record updated Jul 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
077434 Issued in GA
Practice address
150 Gentilly Blvd
Cartersville, GA 30120-8522
Phone
(770) 382-5919
Fax
(678) 721-4386
NPI assigned
Jun 22, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 8, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 160207 MT
Surgery Physician 208600000X 077434 GA Primary

Addresses

Primary practice location

150 Gentilly Blvd
Cartersville, GA 30120-8522

Mailing address

221 Technology Pkwy NW
Rome, GA 30165-1369
Phone (706) 295-5331

Other practice location 1

1199 Prince Avenue
Athens, GA 30606
Phone (706) 475-5076

Other practice location 2

1333 Surgical Services Drive
Kalispell, MT 59901-4844
Phone (406) 751-5392

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address john.simmons.1@1498.direct.athenahealth.com
Direct Messaging Address krmcmedicalrecords@krhdirect.org Direct Kalispell Regional Medical Center, Inc

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NC, GA, MT3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20150824002357 NC Practitioner - General Surgery 6204150246 Reassigns benefits to 1 organization
I20170607001703 GA Practitioner - General Surgery 6204150246 Reassigns benefits to 2 organizations
I20250722004361 MT Practitioner - General Surgery 6204150246 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Texas a & M University System, HSC, College of Medicine, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1333 Surgical Services Way
Kalispell, MT 59901-4844
Phone (406) 751-5392

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.23 of 100Reported as group
Quality
65.74
Promoting interoperability
100
Improvement activities
40
Cost
78.37

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Hernia repair (minimally invasive)1-10
Upper gastrointestinal (GI) endoscopy for acid reflux1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2012-00565NCMDSpecialist
160207MTMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Harbin Clinic, LLC CurrentSince Jun 30, 2017 Accepting new patients
Kalispell Regional Medical Center, Inc CurrentSince Aug 18, 2025 Accepting new patients
Kalispell Regional Medical Center Inc CurrentSince Aug 18, 2025 Accepting new patients
Kalispell Regional Medical Center Inc Current Accepting new patients
Piedmont Athens Hospitalist Physicians LLC CurrentSince Sep 1, 2024 Accepting new patients
Harbin Clinic, LLC CurrentSince Jun 30, 2017 Accepting new patients
Scotland Memorial Hospital Inc Surgery CurrentSince May 1, 2016 Accepting new patients
Scotland Memorial Hospital Inc CurrentSince May 1, 2016 Accepting new patients
Piedmont Athens Specialty Care LLC Surgery Past Accepting new patients

Locations

1199 Prince Ave
Athens, GA 30606
Phone (706) 354-3520

150 Gentilly Blvd
Cartersville, GA 30120
Phone (678) 719-7000

1825 Martha Berry Blvd NW
Rome, GA 30165
Phone (706) 238-8073

221 Technology Pkwy NW
Rome, GA 30165
Phone (762) 235-1000

1333 Surgical Services Way
Kalispell, MT 59901
Phone (406) 751-5392

350 Heritage Way
Ste 2100
Kalispell, MT 59901
Phone (406) 257-8992

310 Sunnyview Ln
Kalispell, MT 59901
Phone (406) 751-5310

205 Lauchwood Dr
Laurinburg, NC 28352
Phone (910) 276-4410

500 Lauchwood Dr
Laurinburg, NC 28352
Phone (856) 848-3227

Interoperability endpoints

  • Direct secure messaging: krmcmedicalrecords@krhdirect.org

Organizations & group practices 10

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 7

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": "1182470400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751932800000",
    "number": "1386840874",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "221 TECHNOLOGY PKWY NW",
            "city": "ROME",
            "state": "GA",
            "postal_code": "301651369",
            "telephone_number": "706-295-5331"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "150 GENTILLY BLVD",
            "city": "CARTERSVILLE",
            "state": "GA",
            "postal_code": "301208522",
            "telephone_number": "770-382-5919",
            "fax_number": "678-721-4386"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1199 Prince Avenue",
            "address_purpose": "LOCATION",
            "city": "Athens",
            "state": "GA",
            "postal_code": "30606",
            "country_code": "US",
            "telephone_number": "706-475-5076",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1333 Surgical Services Drive",
            "address_purpose": "LOCATION",
            "city": "Kalispell",
            "state": "MT",
            "postal_code": "599014844",
            "country_code": "US",
            "telephone_number": "406-751-5392",
            "fax_number": "406-751-5406",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIMMONS",
        "first_name": "JOHN",
        "middle_name": "WALTON",
        "name_prefix": "Dr.",
        "name_suffix": "II",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-22",
        "last_updated": "2025-07-08",
        "certification_date": "2025-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MT",
            "license": "160207",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "GA",
            "license": "077434",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "john.simmons.1@1498.direct.athenahealth.com",
            "affiliation": "N",
            "address_1": "150 Gentilly Blvd",
            "city": "Cartersville",
            "state": "GA",
            "country_code": "US",
            "postal_code": "301208522",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "krmcmedicalrecords@krhdirect.org",
            "affiliation": "Y",
            "affiliationName": "Kalispell Regional Medical Center, Inc",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1333 Surgical Services Drive",
            "city": "Kalispell",
            "state": "MT",
            "country_code": "US",
            "postal_code": "599014844",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Cartersville, GA

Sources for this page

Verify at the official NPI Registry.