DR. ADAM ROBERT HORN M.D.
NPI 1982979019
Radiology - Radiation Oncology in San Diego, CA

Q: What is Adam Horn's NPI number?

The NPI number for Adam Horn is 1982979019. It was assigned to this individual provider in the NPPES registry on March 22, 2012.

Q: What is Adam Horn's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Adam Horn was last updated on December 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.

Active since March 22, 2012PECOS Enrolled

200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: December 9, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 9, 2024, Feb 8, 2023, May 17, 2022 and 3 more (6 updates tracked since 2019).

On this page

About Dr. Adam Robert Horn M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ADAM ROBERT HORN M.D. (NPI 1982979019) is an individual radiation oncology provider in San Diego, California, licensed in California (A126697) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS and maintains a secondary practice location in Yuma.

NPPES Registry Identity

NPI1982979019

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. ADAM ROBERT HORNCredential: M.D.

Location Address200 W ARBOR DRSan Diego, CA 92103-9000

Mailing AddressPo Box 232410San Diego, CA 92193-2410

Phone(800) 926-8273

Fax(888) 539-8781

Sole ProprietorNo

Enumeration DateMarch 22, 2012

Last NPPES UpdateDecember 9, 20246 updates tracked since enumeration

NPPES CertifiedDecember 9, 2024

✔ NPI 1982979019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Licenses✔ Licensed in CA · A126697✔ Licensed in AZ · 61499

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

200 W ARBOR DR, San Diego, CA 92103

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Secondary Practice Location 1

Location 12375 S Ridgeview DrYuma, AZ 85364-8868 · Phone (928) 317-2518

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna HealthCare of Arizona, Inc.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. Adam Robert Horn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Adam Horn reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of California

Same address

Diagnostic Radiology

200 W ARBOR DR
San Diego, CA 92103

Reassigned Medicare billing, California enrollment
360 clinicians in this Medicare group

NPI 1558463927 (800) 926-8273

Usc Care Medical Group, Inc

108 mi

General Practice

1520 SAN PABLO ST
Los Angeles, CA 90033

Reassigned Medicare billing, California enrollment
2,445 clinicians in this Medicare group

NPI 1902846306 (323) 442-5955

Yuma Regional Medical Center

148 mi

General Acute Care Hospital

2400 S AVE A
Yuma, AZ 85364

Reassigned Medicare billing, Arizona enrollment
557 clinicians in this Medicare group

NPI 1194706655 (928) 344-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

66 services20 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

57 services18 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

57 services24 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

20 services20 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

17 services17 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$184.71 typical visit price

range $62.10 – $184.71

Typical copayment $46.17 (range $15.52 – $46.17)

Most-billed visit code 99205

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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