John Ryan Gedney, MD

Primary specialty

Vascular Surgery PhysicianTaxonomy code 2086S0129X

License

85372 Issued in CT

Practice address

330 Boston Post Rd Ste 240
Darien, CT 06820-3667

Phone

(203) 548-7858

NPI assigned

Jun 25, 2020

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in SC

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Vascular Surgery

Education

Medical University of South Carolina College of Medicine, 2020

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Vascular CT, PLLC

  • Vascular Surgery Physician
  • Darien, CT
  • NPI 1649943424
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1593043200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782345600000",
    "number": "1770109761",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 BOSTON POST RD STE 240",
            "city": "DARIEN",
            "state": "CT",
            "postal_code": "068203667"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 BOSTON POST RD STE 240",
            "city": "DARIEN",
            "state": "CT",
            "postal_code": "068203667",
            "telephone_number": "203-548-7858"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "169 Ashley Avenue",
            "address_2": "Room 202 Main Hospital, MSC333",
            "address_purpose": "LOCATION",
            "city": "Charleston",
            "state": "SC",
            "postal_code": "29425",
            "country_code": "US",
            "telephone_number": "720-838-5843",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GEDNEY",
        "first_name": "JOHN",
        "middle_name": "RYAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-06-25",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "SC",
            "license": "LL84642",
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "CT",
            "license": "85372",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Conor Galvin, DO
• Freddys Xavier Garcia, D.C.
• Kate Gardner, R.D.
• Lisa Gardner, LCSW
• Shirley Gedney-Rubel, MS, LPC
• Oscar A Gerdner, MD
• Geriatric Psychiatry Associates, PC
• Geriatric Psychiatry Associates, PC
• Geriatric Psychiatry Associates, PC
• Michael G Giambrone, DPT

• Vascular Surgery Physician in Darien, CT
• Providers in Darien, CT by specialty
• Vascular Surgery Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.