MOHAMMAD III HISSOUROU (MD) – Radiation Oncology Physician, NPI 1538664057
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
111 RADIATION ONCOLOGY in OR
Provider Addresses for MOHAMMAD III HISSOUROU (MD)
1900 NW MYHRE RD
SILVERDALE, WA 983837662
Phone: (564) 240-3100
Type: Mailing
808 SW CAMPUS DR
PORTLAND, OR 972393008
Phone: (503) 494-8756
Type: Location
525, 65th Street, Sunset Park, Brooklyn, Kings County, New York, 11220, United States
NEW YORK, NY 10065
Phone: (000) 000-0000
Type: Location
2610 Uhrmann Rd
Klamath Falls, OR 976011123
Phone: (541) 274-4171
Fax: (541) 274-4579
Type: Location
1900 NW Myhre Rd
Silverdale, WA 983837662
Phone: (564) 240-3100
Type: Location
Old Country Road, Plainview, Oyster Bay, Nassau County, New York, 11803, United States
PLAINVIEW, NY 118034914
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $140.
Total Amount is formed as General ($140) + Research ($0) + Ownership ($0) = $140.
Last reported payment date: 2024-10-24 • Largest payer in this snapshot: Progenics Pharmaceuticals, Inc. ($81).
Total Amount
$140
General + Research + Ownership
Payments
4
Total payment records
General Amount
$140
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Progenics Pharmaceuticals, Inc. | $81 |
| Regeneron Healthcare Solutions, Inc. | $58 |
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: 2023-08-01
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 |
|---|---|---|---|---|
| I20230801002984 | I | Radiation Oncology | WA | 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 | 190 | 19 | $0 |
| 77300 | Calculation of radiation therapy dose | 58 | 20 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 55 | 23 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 47 | 25 | $0 |
| 77263 | Complex radiation therapy planning | 29 | 29 | $0 |
Insurance plans in this area (ZIP 98383)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | WA | |
| Radiation Oncology | WA | |
| - | WA | |
| Radiation Oncology | WA | |
| Radiation Oncology | WA | |
| Radiation Oncology | WA | |
| Radiation Oncology | WA |
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