Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Interventional Radiology

Jon D. Horn, MD

Works at hospitals in Glendale, AZ · Mountain View, CA · Hartford, CT … · Arizona, California, Connecticut, Nevada

Summary

Jon D. Horn, MD (Interventional Radiology) is listed by Medicare at 5 hospitals in Glendale, AZ, Mountain View, CA and Hartford, CT and other places. NPI 1376599548. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jon D. Horn, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Interventional RadiologyPrimary specialty
May acceptAccepts Medicare assignment
37Years since medical school (graduated 1989)
MaleGender (as listed)
Singleton Associates PAGroup practice (+5 more)

Quick answers

Which hospitals does Jon D. Horn work at?
Medicare's official clinician data lists Jon D. Horn at 5 hospitals: Banner Thunderbird Medical Center, El Camino Health, Hartford Hospital, Palmdale Regional Medical Center and Sunrise Hospital and Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jon D. Horn see patients?
Medicare's clinician data lists 17 practice locations, including Enfield, CT, Jefferson, GA and Alpharetta, GA. Call before your visit to confirm the address.
What is Jon D. Horn's specialty?
Medicare lists Interventional Radiology as the primary specialty, and also Diagnostic Radiology.
Does Jon D. Horn accept Medicare assignment?
Medicare's clinician data says Jon D. Horn may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Jon D. Horn?
(860) 289-3375, as listed in official Medicare / NPI Registry data.
What is Jon D. Horn's NPI number?
1376599548. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jon D. Horn works

Medicare's Facility Affiliation Data lists Jon D. Horn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jon D. Horn is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 17; the Medicare profile lists all.

Group practices

Medicare enrollment lists Jon D. Horn as a member of these groups (CMS data updated 2026-10-02).

  • Singleton Associates PA838 clinicians in the group
  • Sonoran Radiology Ltd475 clinicians in the group
  • Golden State Imaging Associates Inc239 clinicians in the group
  • Imaging Associates of New Mexico LLC165 clinicians in the group
  • Radiology Specialists Ltd Marasso-Miller159 clinicians in the group
  • Yampa Valley Medical Center131 clinicians in the group

Specialties

Find other Interventional Radiology doctors in Connecticut →

Other interventional radiologists in Enfield

Clinicians with the same Medicare primary specialty in Enfield, CT — not a recommendation.

All interventional radiologists in Enfield →

Clinician information

CredentialMD
Graduation year1989
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1376599548
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians