Dr. Scott M. Chadderdon, MD

Dr. Chadderdon practices at OHSU Hospital in Portland, Oregon, part of State of Oregon.

Dr. Chadderdon's NPI, 1811068752, was assigned on November 13, 2006. Dr. Chadderdon graduated from Jefferson Medical College of Thomas Jefferson University in 2002. Dr. Chadderdon holds Oregon license MD25480.

Dr. Chadderdon's primary practice is OHSU Hospital, at 3181 SW Sam Jackson Park Road, Portland, OR 97239 in Multnomah County. The practice phone is (503) 494-9000.

Dr. Chadderdon's primary practice is OHSU Hospital in Portland, Oregon, part of State of Oregon. The medical group on file is Kaiser Permanente Northwest. Dmand AI also links Dr. Chadderdon to 1 more clinical lab and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chadderdon practices, 2 sites in all. Vendor and product names are available with a free account.

Cardiovascular disease is Dr. Chadderdon's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Chadderdon is licensed in Oregon.

CMS data shows 768 Medicare services from Dr. Chadderdon across 12 procedure codes in 2024, for 314 Medicare patients. Medicare paid $39,830 for them.

CMS counts 314 Medicare patients who saw Dr. Chadderdon in 2024. The largest group is 75 to 84, with 136 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.06, 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. Chadderdon's median patient age at 78, with 51% women.

In 2024, Dr. Chadderdon wrote 1,160 Medicare Part D claims for 141 patients. 90% of them were for generic drugs. CMS names the drug for 1,031 of them, across 20 drugs with 11 or more claims each, at $128,919 in total drug cost. In 2023, CMS named 1,144 claims across 21 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Chadderdon for performance year 2024, reported through an alternative payment model (APM). Dr. Chadderdon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 50 papers to Dr. Chadderdon, published from 2012 to 2024. 2022 was the busiest year, with 14. The most frequent topics are Heart Valve Prosthesis Implantation, Aortic Valve Stenosis and Mitral Valve Insufficiency. Dr. Chadderdon has published most often in Am J Cardiol. Dr. Chadderdon's most frequent co-authors are Firas E. Zahr, MD, Howard K. Song, MD and Gurion Seth Lantz.

Dmand AI links Dr. Chadderdon to 7 clinical trials. 4 are still active or recruiting. Conditions studied include Mitral Valve Insufficiency, Tricuspid Valve Insufficiency and Gastroesophageal Reflux. Edwards Lifesciences sponsors the most, 6.

CMS Open Payments shows 664 general payments to Dr. Chadderdon from 10 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 57% of the total. Medtronic, Inc. paid the most, $110,585.

Dr. Chadderdon graduated from Jefferson Medical College of Thomas Jefferson University in 2002.