Dr. Gregory R. Semon, DO

Dr. Semon practices at Miami Valley Hospital in Dayton, Ohio, part of Premier Health.

Dr. Semon's NPI, 1134366149, was assigned on January 13, 2009. Dr. Semon holds Ohio license 34.011898.

Dr. Semon's primary practice is Miami Valley Hospital, at One Wyoming Street, Dayton, OH 45409 in Montgomery County. The practice phone is (937) 208-3023. Dr. Semon also practices at Miami Valley Hospital, 1 Wyoming St, Dayton, OH 45409.

Dr. Semon's primary practice is Miami Valley Hospital in Dayton, Ohio, part of Premier Health. Dr. Semon is also affiliated with Upper Valley Medical Center. The medical group on file is Premier Health Specialists. Dmand AI also links Dr. Semon to 2 more hospitals, 1 breast imaging center and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Semon practices, 6 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Semon's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Semon is licensed in Ohio.

CMS data shows 334 Medicare services from Dr. Semon across 7 procedure codes in 2024, for 203 Medicare patients. Medicare paid $29,027 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 203 Medicare patients who saw Dr. Semon in 2024. The largest group is 75 to 84, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 2.01, 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. Semon's median patient age at 66, with 45% women.

In 2021, Dr. Semon wrote 14 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $745 in total drug cost.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Semon for performance year 2024, reported as part of a group. Dr. Semon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 15 papers to Dr. Semon, published from 2020 to 2025. 2022 was the busiest year, with 4. The most frequent topics are Rib Fractures, Brain Injuries, Traumatic and Length of Stay. Dr. Semon has published most often in J Trauma Acute Care Surg. Dr. Semon's most frequent co-authors are Fredric Michael Pieracci, MD, MPH, Joseph Derek Forrester, MD and Laura A. Harmon, MD.

CMS Open Payments shows 55 general payments to Dr. Semon from 13 drug and device companies from 2016 to 2025. Debt forgiveness make up the largest share, 64% of the total. KLS-Martin L.P. paid the most, $10,571.