Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1770109761 Individual Practitioner Male Practitioner

Dr. John Ryan Gedney , MD

Surgery - Vascular Surgery • Darien, CT

Professional Overview & Biography Verified Profile Summary

Dr. John Gedney, MD is a registered healthcare professional specializing in Surgery - Vascular Surgery in Darien, CT. Practice services are available at 330 BOSTON POST RD STE 240 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

330 Boston Post Rd Ste 240

Darien, CT 068203667

Telephone 2035487858
Associated Practice Facility / Clinic
🏢 Vascular Ct, Pllc Facility NPI 1649943424

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery - Vascular Surgery in Darien, CT

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 23.1 Yrs
State Avg: 25.0 Yrs
Regional Practice Density
8 Specialists

Practicing in Darien, CT (91 Statewide)

Telehealth Adoption Rate
12.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-06-25
Surgery - Vascular Surgery Primary Specialty

NUCC Taxonomy Code: 2086S0129X

State License CT 85372

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Surgery - Vascular Surgery

NUCC Taxonomy Code: 2086S0129X

State License SC LL84642

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Secondary Practice Locations

169 Ashley Avenue, Room 202 Main Hospital, Msc333

Charleston, SC 29425

Phone: 7208385843

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

4 Associated Practitioners
Dr. Naiem Nassiri , MD

Surgery - Vascular Surgery

NPI 1033366745

Doctor of Medicine (M.D.)

Andrew Lazar

Surgery - Vascular Surgery

NPI 1225490527
Dr. Chong Li , MD

Surgery - Vascular Surgery

NPI 1467941203

Doctor of Medicine (M.D.)

Jacklyn Truong , NP

Nurse Practitioner

NPI 1609506179

Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location June 25, 2026

Registered at 330 BOSTON POST RD STE 240, DARIEN, CT 068203667 (Tel: 2035487858)

📍
Updated Business Mailing Address June 25, 2026

Registered at 330 BOSTON POST RD STE 240, DARIEN, CT 068203667

NPI Profile Active June 25, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location June 25, 2020

Registered at 169 ASHLEY AVENUE, ROOM 202 MAIN HOSPITAL, MSC333, CHARLESTON, SC 29425 (Tel: 7208385843)

📍
Updated Business Mailing Address June 25, 2020

Registered at 169 ASHLEY AVENUE, ROOM 202 MAIN HOSPITAL, MSC333, CHARLESTON, SC 29425

👤
Provider Name / Credentials Updated June 25, 2020

Recorded as JOHN GEDNEY, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 25, 2020

Surgery (License #LL84642 in SC)

🟢
Initial NPI Registration & Enumeration June 25, 2020

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1770109761
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 25, 2020
Last Update: June 25, 2026
Sole Proprietor: No

Mailing Address

330 Boston Post Rd Ste 240

Darien, CT 068203667

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.