NPPES file of Aug 9, 2026

John Ryan Gedney, MD

Vascular Surgery Physician · Darien, CT

John Ryan Gedney, MD is a vascular surgery physician with a practice address in Darien, Connecticut, and NPI 1770109761, issued on Jun 25, 2020. Check the license (Connecticut 85372, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770109761
Name
John Ryan Gedney
Credential
MD
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License numbers
85372 CT
LL84642 SC
Self-reported in NPPES; status is on the state search
Practice location
330 Boston Post RD Ste 240, Darien, CT 06820
Phone
(203) 548-7858
Enumerated
Jun 25, 2020
Record last updated
Jun 25, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 330 Boston Post RD Ste 240

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Andrew LazarVascular Surgery Physician1225490527
  2. Chong Li, MDVascular Surgery Physician1467941203
  3. Naiem Nassiri, MDVascular Surgery Physician1033366745
  4. Jacklyn Truong, NPNurse Practitioner1609506179

Verify John Ryan Gedney in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 85372
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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76% fewer Medicare Part D claims than the average vascular surgery physician in 2024

49 Medicare Part D claims for 20 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D.

  1. John Gedney49
  2. Specialty average201

Most prescribed

  1. Clopidogrel30 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $302.69

8 payments; by number, the most common kind was food and beverage; the largest payer was Penumbra, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Gedney$302.69
  2. Specialty average$6,178.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

John Ryan Gedney among 89 vascular surgery physician records in Connecticut

John Ryan Gedney, MD is one of 89 vascular surgery physician records with a practice address in Connecticut. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 99% of them.

  • NPI issued2020 · 99% of these records are older, 0% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileNo · 80% of these records are
  • Record last updated2026 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 vascular surgery physician records list a practice address in Darien

They are 8 of the 380 NPPES records with a practice address in Darien, and 89 vascular surgery physician records in Connecticut.

The 8 vascular surgery physician records with the nearest ZIP codes

  1. Jonathan Bowman, M.D.Darien, CT 068201104851294
  2. Taras Kucher, M.D.Darien, CT 068201942210851
  3. Andrew LazarDarien, CT 068201225490527
  4. Chong Li, MDDarien, CT 068201467941203
  5. Timothy Manoni, M.D.Darien, CT 068201821008715
  6. Ben Marsan, M.D.Darien, CT 068201518977479
  7. Naiem Nassiri, MDDarien, CT 068201033366745
  8. Andrew BaxterFairfield, CT 068241124346481

Common questions

What is John Ryan Gedney, MD's NPI number?

John Ryan Gedney, MD's National Provider Identifier (NPI) is 1770109761, issued on Jun 25, 2020. An NPI identifies a provider in billing; it is not a license.

Where is John Ryan Gedney, MD located?

The NPPES record lists a practice address at 330 Boston Post RD Ste 240, Darien, CT, 06820. Phone: (203) 548-7858. Providers update this record themselves, so call before visiting.

How can I verify John Ryan Gedney, MD's license?

NPPES lists Connecticut license number 85372, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Ryan Gedney, MD prescribe under Medicare Part D?

In 2024, John Ryan Gedney, MD had 49 Medicare Part D claims for 20 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.