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DR. JOHN RYAN GEDNEY MD
NPI 1770109761
Surgery - Vascular Surgery in Darien, CT

Active since June 25, 2020PECOS Enrolled
330 BOSTON POST RD STE 240, DARIEN, CT 06820(203) 548-7858 Get Directions Write a Review

NPPES record last updated: June 25, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Ryan Gedney Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN RYAN GEDNEY MD (NPI 1770109761) is an individual vascular surgery provider in Darien, Connecticut, licensed in Connecticut (85372) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS and maintains a secondary practice location in Charleston.

NPPES Registry Identity

NPI1770109761
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameDR. JOHN RYAN GEDNEYCredential: MD
Location Address330 BOSTON POST RD STE 240Darien, CT 06820-3667
Mailing Address330 Boston Post Rd Ste 240Darien, CT 06820-3667
Phone(203) 548-7858
Sole ProprietorNo
Enumeration DateJune 25, 2020
Last NPPES UpdateJune 25, 2026
NPPES CertifiedJune 25, 2026
✔ NPI 1770109761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
Licenses✔ Licensed in CT · 85372✔ Licensed in SC · LL84642
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
330 BOSTON POST RD STE 240, Darien, CT 06820
Open in Google Maps ↗

Secondary Practice Location 1

Location 1169 Ashley Avenue, Room 202 Main Hospital, MSC333Charleston, SC 29425 · Phone (720) 838-5843

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John Ryan Gedney Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06820 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. NAIEM NASSIRI MD
Surgery (Vascular Surgery)
330 BOSTON POST RD STE 240
DARIEN, CT 06820
Western Connecticut Planning Region (203) 548-7858
ANDREW LAZAR
Surgery (Vascular Surgery)
330 BOSTON POST RD STE 240
DARIEN, CT 06820
Western Connecticut Planning Region (203) 548-7858
CHONG LINUS LI MD
Surgery (Vascular Surgery)
330 BOSTON POST RD STE 240
DARIEN, CT 06820
Western Connecticut Planning Region (203) 548-7858
JACKLYN TRUONG NP
Nurse Practitioner
330 BOSTON POST RD STE 240
DARIEN, CT 06820
Western Connecticut Planning Region (203) 548-7858

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Gedney's NPI number?

The NPI number for John Gedney is 1770109761. It was assigned to this individual provider in the NPPES registry on June 25, 2020.

Where is John Gedney located?

John Gedney practices at 330 Boston Post Rd Ste 240, Darien, CT 06820. The listed phone number is (203) 548-7858.

What is John Gedney's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is John Gedney enrolled in Medicare?

Yes. John Gedney is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Gedney was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.