DR. ADAM ROBERT HORN M.D.
Accepted Insurance for NPI 1982979019
Radiology - Radiation Oncology in San Diego, CA
Does Dr. Horn take my insurance?
No California Marketplace plan lists Dr. Horn. Cigna Healthcare includes Dr. Horn in 16 plans sold in Arizona.
Call before you book: insurer directories can be out of date, so call the office at (800) 926-8273 to confirm your plan is accepted. These are Marketplace (ACA) plans only; employer, Medicare Advantage and Medicaid plans are not listed.
Listed in other states 16 plans · 1 state
Insurers sometimes list a provider in other states' networks, for example for telehealth or a practice near a state line. These plans are sold to residents of those states.
Cigna Healthcare · Arizona
Questions about Dr. Horn’s insurance
What insurance does Dr. Horn take?
No California Marketplace plan lists Dr. Horn. Cigna Healthcare includes Dr. Horn in 16 plans sold in Arizona. Call the office at (800) 926-8273 to confirm your plan before booking.
Is Dr. Horn accepting new patients?
The insurers that list Dr. Horn report that Dr. Horn is accepting new patients. Call the office at (800) 926-8273 to confirm your plan before booking.
Does Dr. Horn accept Medicare?
CMS files show a PECOS enrollment but no Medicare assignment indicator. Ask the office.
About this data
This page combines public files from insurers and from CMS. NPI Profile does not contract with insurers and does not decide who is in network.
| Source | What it provides here | Source date |
|---|---|---|
| Insurer provider directory files | Which plans list this provider, network tier, accepting new patients, years listed. Insurers selling on HealthCare.gov must publish these files under CMS rules. | Cigna Healthcare: Oct 6, 2026 |
| CMS Health Insurance Exchange public use files | Plan details and Summary of Benefits links for HealthCare.gov states. | Plan year 2026 |
- Only Marketplace (ACA) plans are covered. Employer, Medicare Advantage and Medicaid managed care networks are not in these files.
- Costs are for the standard version of each plan. People who qualify for cost-sharing reductions pay less on Silver plans.
- Accepting new patients and network tier are reported by each insurer, and can differ from what the practice tells you.
- Networks change during the year. Confirm with your insurer or the practice before booking.