Mr. Marwan Massouh, MD
Mr. Marwan Massouh, MD is a Hematology/Oncology in Westlake, Ohio. Qualified in 1982, 44 years ago. Practices with Northern Ohio Medical Specialists, LLC, a 251-clinician group and accepts Medicare assignment. Licensed in Ohio.
- Years since qualifying
- 44
- Licensed in
- OH
- In the registry since
- 2005
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
29101 Health Campus Dr Ste 260Westlake, OH 44145-5270
Phone: (440) 808-6500
Fax: (440) 808-8865
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Hematology & Oncology Physician (primary) | Taxonomy 207RH0003X · Licence 35056179 (OH) |
|---|
Record details
| NPI number | 1508841669 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | December 13, 2005 |
| Last updated in NPPES | July 13, 2026 |
Medicare enrollment
| Medicare specialty | HEMATOLOGY/ONCOLOGY |
|---|---|
| Medical school | OTHER |
| Graduated | 1982 (44 years in practice) |
| Group practice | Northern Ohio Medical Specialists,Llc — 251 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 2 on file with Medicare |
Other providers in Westlake
-
Dr. Richard Y Chang, MD
960 Clague Rd Ste 1200 Seidman Cancer Center, Westlake, OH 44145-1585 · (440) 250-2812
-
University Hospitals Medical Group, Inc
960 Clague Rd Ste 1200, Westlake, OH 44145-1582 · (555) 555-5555
-
Westside Hematology Oncology Inc
29101 Health Campus Dr Ste 260, Westlake, OH 44145-5266 · (440) 808-6500