NPI age
19 years
Enumerated 2006-06-17
● Active
Type 1 · Individual
DR. John C Tonkin, M.D.
Tonkin is 1 of 7 radiology providers in Gainesville and 1 of 160 in Georgia.
Primary specialty
Radiology
Plus 8 subspecialties
Licensed in
FL, GA
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-02-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 160 active radiology providers in Georgia.
NPI age
19 years
↑ 2 yr above median (17 yr)
State licenses
2 states
Top 71% — 28% of peers are multi-state
Subspecialties
7
In the 64% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-06Enumerated in NPPES
2006
2026
Where they practice
Practice location
743 Spring St Ne
Gainesville, GA 305013715
Mailing address
1673 Mason Ave Ste 305
Daytona Beach, FL 321175516
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
400 Health Park Blvd
St Augustine, FL 320865784
Location 3
1673 Mason Ave, Suite# 305
Daytona Beach, FL 321175515
Specialties
-
Radiology PrimaryA radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.
-
RadiologyTherapeutic Radiology certificate name was changed to Radiation Oncology. Use Radiation Oncology.
-
RadiologyA Radiology doctor of Osteopathy that specializes in Body Imaging.
-
RadiologyA radiologist who diagnoses and treats diseases utilizing imaging procedures as they relate to the brain, spine and spinal cord, head, neck and organs of special sense in adults and children.
-
RadiologyA radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
-
RadiologyA Radiology doctor of Osteopathy that specializes in Diagnostic Ultrasound.
-
RadiologyA radiologist who is proficient in all forms of diagnostic imaging as it pertains to the treatment of diseases in the newborn, infant, child and adolescent. This specialist has knowledge of both imaging and interventional procedures...
-
RadiologyA radiologist who is involved in the analysis and imaging of radionuclides and radiolabeled substances in vitro and in vivo for diagnosis and the administration of radionuclides and radiolabeled substances for the treatment of disease.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (FL) | 252611500 | |
| 05 (GA) | 300030405A | |
| 01 (FL) | 41581 | BLUE CROSS BLUE SHIELD |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 689 other active providers share this practice address in NPPES.
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