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Dr. John R. Gedney, MD

Vascular Surgery (Vascular Surgery Physician)

At a glance

Years since graduation
6
In the NPI registry since
2020

Licensed in Connecticut since 2026, according to the Connecticut Department of Public Health. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2020Medical school: Medical University of South Carolina College of Medicine
  • 2020Registered with an NPI (national billing number; not a license date)

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Vascular Surgery Physician primary
    CT license 85372 (first issued 2026; active) · SC license LL84642

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Vascular Surgery per capita by county →

Medicare prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Clopidogrel (clopidogrel bisulfate)
Other prescribers in Darien, CT
30

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 7 companies reported 26 payments worth $5,042 in total to this clinician.

By company
Penumbra, Inc.$2,434
Medtronic, Inc.$1,540
W. L. Gore & Associates, Inc.$378
Surmodics, Inc.$261
Cook Medical LLC$246
Acera Surgical, Inc.$164
Lemaitre Vascular, Inc.$17.35
By type
Food and Beverage$1,787
Travel and Lodging$1,755
Grant$1,500

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Sep 25, 2025Medtronic, Inc.
Sep 25, 2025
Grant$1,500
Nov 17, 2025Penumbra, Inc.
Nov 17, 2025
Travel and Lodging
Indigo System · Peripheral Intervention · travel to New York, NY
$923
Nov 16, 2025Penumbra, Inc.
Nov 16, 2025
Travel and Lodging
Indigo System · Peripheral Intervention · travel to New York, NY
$832

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Connecticut →

Other Vascular Surgery clinicians in Darien

Sources

NPI registry (CMS NPPES, November 2026; record last updated June 25, 2026), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1770109761. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.