Individual provider · Type 1 NPI

Marwan Massouh, MD

Hematology & Oncology Physician · Westlake, OH

NPI number 1508841669 Active

Practice location

29101 Health Campus Dr, Suite 260
Westlake, OH 44145-5270

Fax (440) 808-8865

Specialties and licenses

TaxonomyCodeLicense
Hematology & Oncology Physician Primary 207RH0003X35056179 (OH)
Hematology & Oncology Physician 207RH0003X11398 (MT)

Hematology & Oncology Physician: An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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About NPI 1508841669

Marwan Massouh, MD's National Provider Identifier is 1508841669, issued on Dec 13, 2005. The primary taxonomy on file is Hematology & Oncology Physician (207RH0003X), and the practice location is in Westlake, OH. The record was last updated on Oct 28, 2026.