DR. ARASH GABAYAN (M.D.) – Radiation Oncology Physician, NPI 1497867717
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
677 RADIATION ONCOLOGY in CA
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Provider Addresses for DR. ARASH GABAYAN (M.D.)
8900, Wilshire Boulevard, Beverly Hills, Los Angeles County, California, 90211, United States
BEVERLY HILLS, CA 902111958
Phone: (310) 432-8989
Fax: (310) 432-8901
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 79 Open Payments records for all available years, with a total value of $7,943.
Total Amount is formed as General ($7,943) + Research ($0) + Ownership ($0) = $7,943.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Sumitomo Pharma America, Inc. ($4,025).
Total Amount
$7,943
General + Research + Ownership
Payments
79
Total payment records
General Amount
$7,943
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Sumitomo Pharma America, Inc. | $4,025 |
| RefleXion Medical, Inc. | $1,691 |
| Daiichi Sankyo Inc. | $258 |
| HeartFlow, Inc. | $213 |
| Bayer Healthcare Pharmaceuticals Inc. | $173 |
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: 2007-01-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20070126000610 | I | Radiation Oncology | CA | 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 |
|---|---|---|---|---|
| Q9965 | Low osmolar contrast material, 100-199 mg/ml iodine concentration, per ml | 1,311 | 12 | $0 |
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 781 | 24 | $0 |
| G6015 | Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 415 | 23 | $0 |
| 77300 | Calculation of radiation therapy dose | 340 | 30 | $0 |
| G6012 | Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev | 210 | 14 | $0 |
Insurance plans in this area (ZIP 90211)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | CA | 74177 | CT scan of abdomen and pelvis with contrast | 41 | 39 |
| RADIATION ONCOLOGY | CA | 77263 | Management of radiation therapy, complex | 61 | 45 |
| RADIATION ONCOLOGY | CA | 77300 | Calculation of radiation therapy dose | 244 | 33 |
| RADIATION ONCOLOGY | CA | 77427 | Radiation treatment management, 5 treatments | 162 | 38 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| Medical Oncology | CA | |
| Radiation Oncology | CA | |
| - | CA | |
| - | OH |
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