ARI KASSARDJIAN MD
NPI 1689200115
Radiology - Radiation Oncology in Simi Valley, CA

Q: What is Ari Kassardjian's NPI number?

The NPI number for Ari Kassardjian is 1689200115. It was assigned to this individual provider in the NPPES registry on March 16, 2020.

Q: What is Ari Kassardjian'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 Ari Kassardjian was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 16, 2020PECOS Enrolled

2985 SYCAMORE DR, SIMI VALLEY, CA 93065(805) 955-6000 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Ari Kassardjian Md NPPES

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

ARI KASSARDJIAN MD (NPI 1689200115) is an individual radiation oncology provider in Simi Valley, California, licensed in California (A182051) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2021).

NPPES Registry Identity

NPI1689200115

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameARI KASSARDJIANCredential: MD

Location Address2985 SYCAMORE DRSimi Valley, CA 93065-1201

Mailing Address2985 Sycamore DrSimi Valley, CA 93065-1201 · (805) 955-6000

Phone(805) 955-6000

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2021

Enumeration DateMarch 16, 2020

Last NPPES UpdateJune 19, 2026

NPPES CertifiedJune 19, 2026

✔ NPI 1689200115 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in CA · A182051

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.

2985 SYCAMORE DR, Simi Valley, CA 93065

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ari Kassardjian Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1658747068

PECOS Enrollment IDI20260602001083

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93065 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

$185.36 typical visit price

range $62.32 – $185.36

Typical copayment $46.34 (range $15.58 – $46.34)

Most-billed visit code 99205

Established Patient

$77.11 typical visit price

range $20.68 – $151.85

Typical copayment $19.27 (range $5.17 – $37.96)

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 3

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

ADVENTIST HEALTH PHYSICIANS NETWORK

Radiology (Radiation Oncology)

2985 SYCAMORE DR
SIMI VALLEY, CA 93065

Ventura County (805) 584-6611

EUGENE S AHN MD

Radiology (Radiation Oncology)

2985 SYCAMORE DR
SIMI VALLEY, CA 93065

Ventura County (805) 584-6611

COASTAL RADIATION ONCOLOGY MEDICAL GROUP, INC.

Radiology (Radiation Oncology)

2985 SYCAMORE DR
SIMI VALLEY, CA 93065

Ventura County (805) 584-6611

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ari Kassardjian's NPI number?

The NPI number for Ari Kassardjian is 1689200115. It was assigned to this individual provider in the NPPES registry on March 16, 2020.

Where is Ari Kassardjian located?

Ari Kassardjian practices at 2985 Sycamore Dr, Simi Valley, CA 93065. The listed phone number is (805) 955-6000.

What is Ari Kassardjian's specialty?

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

Is Ari Kassardjian enrolled in Medicare?

Yes. Ari Kassardjian is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ari Kassardjian was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.