DR. JOHN RYAN GEDNEY MD
NPI 1770109761
Surgery - Vascular Surgery in Darien, CT
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, maintains a secondary practice location in Charleston, and is a graduate of Medical University Of South Carolina College Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John Ryan Gedney Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Gedney reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Darien, CT 06820
- Reassigned Medicare billing, Connecticut enrollment
- 5 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
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.
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.
Which organization bills Medicare for John Gedney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Gedney reassigns Medicare benefits to Vascular Ct, PLLC (Darien, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Gedney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Gedney accept?
Health plans from Anthem Blue Cross and Blue Shield list John Gedney as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
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 4 months 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.
# Dr. John Ryan Gedney, MD · NPI 1770109761
Vascular Surgery physician in Darien, Connecticut. Individual provider, active in the CMS NPPES registry since June 25, 2020.
## Identity
- **NPI:** 1770109761 (Entity type: Individual)
- **Enumerated:** June 25, 2020
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** 85372 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 BOSTON POST RD STE 240, Darien, CT 06820-3667
- **Phone:** (203) 548-7858
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Vascular Ct, PLLC (NPI 1649943424, Darien, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical University Of South Carolina College Of Medicine, class of 2020
## Record status
- **NPPES last updated:** June 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1770109761) · Data from the CMS NPPES public registry.