NPI age
7 years
Enumerated 2019-04-01
● Active
Type 1 · Individual
John Andrew Knopf, MD
Knopf is 1 of 36 radiology providers in Lawrenceville and 1 of 1280 in Georgia.
Primary specialty
Radiology
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-09-25
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1280 active radiology providers in Georgia.
NPI age
7 years
↓ 12 yr below median (19 yr)
State licenses
1 state
21% of peers hold multiple states
Subspecialties
0
38% of peers hold subspecialties
NPI lifetime · 2019 → 2026
2019-04Enumerated in NPPES
2019
2026
Where they practice
Practice location
665 Duluth Hwy Ste 401
Lawrenceville, GA 300464303
Mailing address
Po Box 1190
Lawrenceville, GA 300461190
Additional practice locations
5 secondary locations on file with NPPES.
Location 2
725 Jesse Jewell Pkwy Se
Gainesville, GA 305013834
Location 3
1270 Friendship Rd
Braselton, GA 305175608
Location 4
655 Jesse Jewell Pkwy Se
Gainesville, GA 305013854
Location 5
801 Austin Drive
Demorest, GA 305354513
Location 6
835 Austin Drive
Demorest, GA 305354513
Specialties
-
Radiology PrimaryA radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Practice context
Part of a multi-provider practice. 75 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new radiology provider has been added in Lawrenceville in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
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