ARI KATERELOS (M.D.) – Radiation Oncology Physician, NPI 1861607418
Radiation Oncology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
677 RADIATION ONCOLOGY in CA
Provider Addresses for ARI KATERELOS (M.D.)
401 E Highland Ave Ste D
San Bernardino, CA 924043800
Phone: (909) 475-2700
Fax: (909) 475-2738
Type: Location
633 GOV CARLOS CAMACHO RD
SUITE B1
TAMUNING, GU 96913
Phone:
Type: Mailing
633 GOV CARLOS CAMACHO RD STE B-1
TAMUNING, GU 96913
Phone: (671) 646-3363
Fax: (671) 646-4873
Type: Location
401 E HIGHLAND AVE STE D
SAN BERNARDINO, CA 924043800
Phone: (909) 475-2700
Fax: (909) 475-2738
Type: Location
Box, Lago del Salado, Los Angeles, San Nicolás de los Garza, Nuevo León, 66477, Mexico
LOS ANGELES, CA 900510185
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $525.
Total Amount is formed as General ($525) + Research ($0) + Ownership ($0) = $525.
Last reported payment date: 2024-06-25 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($525).
Total Amount
$525
General + Research + Ownership
Payments
1
Total payment records
General Amount
$525
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-25
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $525 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2023-02-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20101027000277 | I | Radiation Oncology | CA | TBD |
| I20230201002560 | I | Radiation Oncology | GU | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 1,259 | 217 | $0 |
| 77525 | Complex proton beam radiation treatment | 1,218 | 187 | $0 |
| 77523 | Intermediate proton beam radiation treatment | 630 | 99 | $0 |
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 597 | 88 | $0 |
| A9579 | Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per ml | 447 | 22 | $0 |
Insurance plans in this area (ZIP 92404)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | CA | |
| Radiation Oncology | CA | |
| Radiation Oncology, Hospice/Palliative Care | OK | |
| Radiation Oncology | CA | |
| Radiation Oncology | CA | |
| Radiation Oncology | CA |
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