John C. Tonkin, M.D.
Vascular & Interventional Radiology Physician · Gainesville, GA
John C. Tonkin, M.D. is a vascular & interventional radiology physician with a practice address in Gainesville, Georgia, and NPI 1093750820, issued on Jun 17, 2006. Check the license (Georgia 105343, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- John C. Tonkin
- Credential
- M.D.
- Primary taxonomy
- Vascular & Interventional Radiology Physician 2085R0204X
- License numbers
- 105343 GA
ME0071220 FL
Self-reported in NPPES; status is on the state search - Practice location
- 743 Spring St NE, Gainesville, GA 30501
- Phone
- (770) 219-9000
- Enumerated
- Jun 17, 2006
- Record last updated
- Feb 20, 2026
- Medicaid IDs
- 252611500 FL
300030405A GA - Medicare enrollment
- Enrolled (PECOS I20040526001326); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest vascular & interventional radiology physician records → All 130 in Georgia → Look up another NPI →
Also registered at 743 Spring St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raza Abbas, M.D.Interventional Cardiology Physician1245549112
- Eltigani Abdelhai, MDInternal Medicine Physician1538233531
- Ahmad Abdussalam, MDCritical Care Medicine (Internal Medicine) Physician1134317316
- Richard Adams, DOStudent in an Organized Health Care Education/Training Program1164279741
- Jennifer Adamski, ARNP,ACNP-BCCritical Care Medicine Nurse Practitioner1649387648
- Joanna Addison, AGACNP-BCAcute Care Nurse Practitioner1942096649
Verify John C. Tonkin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 105343Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average vascular & interventional radiology physician in 2024
45 Medicare Part D claims for 35 beneficiaries, against an average of 75 among the 1,444 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Prednisone39 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $134.85
8 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 3,457 providers of this specialty with any payment received $7,206.73 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 9 group practices
- Danville Physician Practices LLCDaytona Beach, FL
- Dlp Twin County Physician Practices LLCDaytona Beach, FL
- East Central Florida Outpatient Imaging LLCPort Orange, FL
- Inverness Medical Imaging LLCOrlando, FL
- Northeast Georgia Physicians Group IncOcala, FL
- Radiology Imaging Associates LLCSt Augustine, FL
- St Francis Physician Practices LLCSouth Daytona, FL
- St Thomas Radiology Associates LLCSouth Daytona, FL
- Villages Regional Hospital Physician Services LLCSummerfield, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John C. Tonkin among 130 vascular & interventional radiology physician records in Georgia
John C. Tonkin, M.D. is one of 130 vascular & interventional radiology physician records with a practice address in Georgia. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 65% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 92% of these records are
- Graduated1991 · median 2005 among the 120 with a school on file
- Record last updated2026 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular & Interventional Radiology Physician providers in Georgia
There are 130 vascular & interventional radiology physician records in Georgia.
All 130 in Georgia → Every provider in Gainesville → Vascular & Interventional Radiology Physician nationwide →
The 8 vascular & interventional radiology physician records with the nearest ZIP codes
- Kamil Arif, M.D.Gainesville, GA 305011922460997
- Amina Farooq, M.D.Gainesville, GA 305011821520131
- Anthony Goei, MDGainesville, GA 305011255321915
- Ajay Ravi, M.D.Gainesville, GA 305011063533149
- Juan Santoscoy Gutierrez, MDGainesville, GA 305011730671991
- John Scales, M.D.Gainesville, GA 305011962664086
- Robert Ermentrout, M.D.Athens, GA 306061124345376
- Eduardo Chacon Pabon, MDAtlanta, GA 303421487114260
Common questions
What is John C. Tonkin, M.D.'s NPI number?
John C. Tonkin, M.D.'s National Provider Identifier (NPI) is 1093750820, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Tonkin, M.D. located?
The NPPES record lists a practice address at 743 Spring St NE, Gainesville, GA, 30501. Phone: (770) 219-9000. Providers update this record themselves, so call before visiting.
How can I verify John C. Tonkin, M.D.'s license?
NPPES lists Georgia license number 105343, 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.
How much does John C. Tonkin, M.D. prescribe under Medicare Part D?
In 2024, John C. Tonkin, M.D. had 45 Medicare Part D claims for 35 beneficiaries; the average among vascular & interventional radiology physician prescribers was 75. Part D covers Medicare prescriptions only.
What is John C. Tonkin, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.