John Andrew Knopf, MD
Diagnostic Radiology Physician · Lawrenceville, GA
John Andrew Knopf, MD is a diagnostic radiology physician with a practice address in Lawrenceville, Georgia, and NPI 1487116349, issued on Apr 1, 2019. Check the license (Georgia 103721, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Andrew Knopf
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 103721 GA
Self-reported in NPPES; status is on the state search - Practice location
- 665 Duluth Hwy Ste 401, Lawrenceville, GA 30046
- Phone
- (912) 659-6806
- Enumerated
- Apr 1, 2019
- Record last updated
- Sep 25, 2025
- Medicare enrollment
- Enrolled (PECOS I20250617004243); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,065 in Georgia → Look up another NPI →
Also registered at 665 Duluth Hwy Ste 401
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Andrew Knopf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 103721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 3 group practices
- Atlantic Radiology Associates LLCHilton Head, SC
- Northeast Georgia Community Physicians LLCGainesville, GA
- The Longstreet Clinic, PCGainesville, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Andrew Knopf among 1,065 diagnostic radiology physician records in Georgia
John Andrew Knopf, MD is one of 1,065 diagnostic radiology physician records with a practice address in Georgia. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 93% of them.
- NPI issued2019 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2019 · median 2004 among the 742 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Georgia
There are 1,065 diagnostic radiology physician records in Georgia.
All 1,065 in Georgia → Every provider in Lawrenceville → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Nam Ky Do, MDLawrenceville, GA 300461497730600
- Robert Eisenberg, MDLawrenceville, GA 300461316922354
- Joseph Finley, MDLawrenceville, GA 300461639154669
- Neal Frenkel, MDLawrenceville, GA 300461154306363
- Rita Gedgaudas-McClees, M.D.Lawrenceville, GA 300461477531648
- Gordon Goldstein, MDLawrenceville, GA 300461902881949
- Kimberly Hutcherson, MDLawrenceville, GA 300461831174036
- Stuart Jacobson, MDLawrenceville, GA 300461184609380
Common questions
What is John Andrew Knopf, MD's NPI number?
John Andrew Knopf, MD's National Provider Identifier (NPI) is 1487116349, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is John Andrew Knopf, MD located?
The NPPES record lists a practice address at 665 Duluth Hwy Ste 401, Lawrenceville, GA, 30046. Phone: (912) 659-6806. Providers update this record themselves, so call before visiting.
How can I verify John Andrew Knopf, MD's license?
NPPES lists Georgia license number 103721, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.