Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mohammad Hissourou III, MD

Individual provider Radiation Oncology Physician · NPI 1538664057

Mohammad Hissourou III, MD is a Radiation Oncology in Portland, Oregon. Graduated from Icahn School of Medicine at Mount Sinai in 2018, 8 years ago. Practices with Overlake Medical Clinics LLC, a 426-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
8
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
OR
In the registry since
2018
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

808 SW Campus Dr
Portland, OR 97239-3008
Phone: (503) 494-8756
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2610 Uhrmann Rd, Klamath Falls, OR 97601-1123 — (541) 274-4171
  • 1900 Nw Myhre Rd, Silverdale, WA 98383-7662 — (564) 240-3100

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence MD209773 (OR)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1538664057
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2018
Last updated in NPPESJune 6, 2023
Certification dateJune 6, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 2018 (8 years in practice)
Group practice Overlake Medical Clinics Llc — 426 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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