Individual provider Active NPI

John Andrew Knopf, MD

  • Diagnostic Radiology Physician
  • Lawrenceville, GA
National Provider Identifier
1487116349
Registry record updated Sep 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
103721 Issued in GA
Practice address
665 Duluth Hwy Ste 401
Lawrenceville, GA 30046-4303
Phone
(912) 659-6806
NPI assigned
Apr 1, 2019
Last updated
Sep 25, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 25, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X 103721 GA Primary

Addresses

Primary practice location

665 Duluth Hwy Ste 401
Lawrenceville, GA 30046-4303

Mailing address

PO Box 1190
Lawrenceville, GA 30046-1190

Other practice location 1

725 Jesse Jewell Pkwy SE
Gainesville, GA 30501-3834
Phone (770) 535-9391

Other practice location 2

835 Austin Drive
Demorest, GA 30535-4513
Phone (770) 535-9391

Other practice location 3

801 Austin Drive
Demorest, GA 30535-4513
Phone (770) 535-9391

Other practice location 4

655 Jesse Jewell Pkwy SE
Gainesville, GA 30501-3854
Phone (770) 535-9391

Other practice location 5

1270 Friendship Rd
Braselton, GA 30517-5608
Phone (770) 535-9391

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GA, SC2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20250602001800 GA Practitioner - Diagnostic Radiology 2860726882 Reassigns benefits to 3 organizations
I20250617004243 SC Practitioner - Diagnostic Radiology 2860726882 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Medical College of Georgia School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Atlantic Radiology Associates LLCGroup PAC ID 5799706032, shared by 2 NPIs, 92 clinicians
The Longstreet Clinic, PCGroup PAC ID 2668465733, 140 clinicians
Northeast Georgia Community Physicians LLCGroup PAC ID 3274010582, 129 clinicians

Practice addresses (Care Compare)

25 Hospital Ctr Blvd
Hilton Head, SC 29926-2738
Phone (843) 681-6122

4700 Waters Ave
Savannah, GA 31404-6283
Phone (912) 350-8436

725 Jesse Jewell Pkwy SE
Gainesville, GA 30501-3834
Phone (770) 533-6511

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
11166GAMDGeneral Practice Dentistry
103721GAMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Atlantic Radiology Associates, LLC Diagnostic Radiology CurrentSince Jul 21, 2025 Accepting new patients
The Longstreet Clinic PC CurrentSince Nov 1, 2025 Accepting new patients
Atlantic Radiology Associates, LLC Diagnostic Radiology CurrentSince Jul 21, 2025 Accepting new patients
The Longstreet Clinic, PC CurrentSince Nov 1, 2025 Accepting new patients
Atlantic Radiology Associates LLC Diagnostic Radiology CurrentSince Aug 1, 2025 Accepting new patients
Northeast Georgia Community Physicians LLC CurrentSince Feb 4, 2026 Accepting new patients
Atlantic Radiology Associates LLC Diagnostic Radiology Current Accepting new patients

Locations

1270 Friendship Rd
Braselton, GA 30517
Phone (678) 207-4200

801 Austin Dr
Demorest, GA 30535
Phone (706) 754-8066

835 Austin Dr
Demorest, GA 30535
Phone (706) 754-8518

655 Jesse Jewell Pkwy SE
Gainesville, GA 30501
Phone (770) 535-9391

725 Jesse Jewell Pkwy SE
Gainesville, GA 30501
Phone (770) 297-2200

462 Elma G Miles Pkwy
Hinesville, GA 31313
Phone (888) 829-0068

136 Traders Way
Pooler, GA 31322
Phone (786) 621-3900

341 Eisenhower Dr
Savannah, GA 31406
Phone (912) 330-5170

4700 Waters Ave
Savannah, GA 31404
Phone (912) 273-1100

459 Highway 119 S
Springfield, GA 31329
Phone (912) 754-0200

1 Meadows Pkwy
Vidalia, GA 30474
Phone (912) 535-5429

1000 Medical Center Dr
Hardeeville, SC 29927
Phone (843) 784-8138

15 Moss Creek Vlg
Hilton Head Island, SC 29926
Phone (843) 681-5077

25 Hospital Ctr
Hilton Head Island, SC 29926
Phone (843) 682-2345

Organizations & group practices 7

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

Hospital & facility affiliations 5

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": "1554076800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758758400000",
    "number": "1487116349",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1190",
            "city": "LAWRENCEVILLE",
            "state": "GA",
            "postal_code": "300461190"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "665 DULUTH HWY STE 401",
            "city": "LAWRENCEVILLE",
            "state": "GA",
            "postal_code": "300464303",
            "telephone_number": "912-659-6806"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "725 Jesse Jewell Pkwy SE",
            "address_purpose": "LOCATION",
            "city": "Gainesville",
            "state": "GA",
            "postal_code": "305013834",
            "country_code": "US",
            "telephone_number": "770-535-9391",
            "fax_number": "770-533-4701",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "835 Austin Drive",
            "address_purpose": "LOCATION",
            "city": "Demorest",
            "state": "GA",
            "postal_code": "305354513",
            "country_code": "US",
            "telephone_number": "770-535-9391",
            "fax_number": "770-533-4701",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "801 Austin Drive",
            "address_purpose": "LOCATION",
            "city": "Demorest",
            "state": "GA",
            "postal_code": "305354513",
            "country_code": "US",
            "telephone_number": "770-535-9391",
            "fax_number": "770-533-4701",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "655 Jesse Jewell  Pkwy SE",
            "address_purpose": "LOCATION",
            "city": "Gainesville",
            "state": "GA",
            "postal_code": "305013854",
            "country_code": "US",
            "telephone_number": "770-535-9391",
            "fax_number": "770-533-4701",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1270 Friendship Rd",
            "address_purpose": "LOCATION",
            "city": "Braselton",
            "state": "GA",
            "postal_code": "305175608",
            "country_code": "US",
            "telephone_number": "770-535-9391",
            "fax_number": "770-533-4701",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KNOPF",
        "first_name": "JOHN",
        "middle_name": "ANDREW",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-01",
        "last_updated": "2025-09-25",
        "certification_date": "2025-09-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "GA",
            "license": "103721",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lawrenceville, GA

Sources for this page

Verify at the official NPI Registry.