Dr. Hassan B. Semaan, MD

Dr. Semaan practices at Providence St. Mary Medical Center in Walla Walla, Washington, part of Providence Health & Services.

Dr. Semaan's NPI, 1144209420, was assigned on January 13, 2006. Dr. Semaan graduated from Medical College of Ohio in 1998. Dr. Semaan holds Ohio license 35.077550.

Dr. Semaan's primary practice is Providence St. Mary Medical Center, at 401 W Poplar St, Walla Walla, WA 99362 in Walla Walla County. The practice phone is (509) 522-5900. Dr. Semaan also practices at Providence St Mary Medical Center, 18300 Hwy 18, Apple Valley, CA 92307.

Dr. Semaan's primary practice is Providence St. Mary Medical Center in Walla Walla, Washington, part of Providence Health & Services. Dr. Semaan is also affiliated with Providence St. Mary Medical Center. The medical group on file is Riverside Radiology Medical Group, Inc. Dmand AI also links Dr. Semaan to 19 more hospitals, 44 medical groups and 12 group practices and clinics, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Semaan practices, 33 sites in all. Vendor and product names are available with a free account.

Diagnostic radiology is Dr. Semaan's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Semaan's licenses on file in 3 states: Ohio, Michigan and Virginia.

CMS data shows 12,885 Medicare services from Dr. Semaan across 93 procedure codes in 2024, for 8,519 Medicare patients. Medicare paid $379,007 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 8,519 Medicare patients who saw Dr. Semaan in 2024. The largest group is 75 to 84, with 2,927 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.95, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Semaan's median patient age at 52, with 58% women.

Dr. Semaan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 9 papers to Dr. Semaan, published from 2014 to 2021. 2017 was the busiest year, with 2. The most frequent topics are Lumbar Vertebrae, Diagnosis, Differential and Magnetic Resonance Imaging. Dr. Semaan has published most often in Acta Radiol. Dr. Semaan's most frequent co-authors are Hossein K. Elgafy, MD, Mohammed Said Al-Natour, MD and Xiaochen Denise Liu, MD.

CMS Open Payments shows 42 general payments to Dr. Semaan from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $993.

Dr. Semaan graduated from Medical College of Ohio in 1998.