Dr. Scott A. Buchanan, MD

Dr. Buchanan practices at Mmp Cardiovascular Surgery - HOPD in Portland, Maine.

Dr. Buchanan's NPI, 1932154135, was assigned on May 24, 2006. Dr. Buchanan graduated from Duke University School of Medicine in 1991. Dr. Buchanan holds Maine license MD15638.

Dr. Buchanan's primary practice is Mmp Cardiovascular Surgery - HOPD, at 818 Congress St, Portland, ME 04102.

Dr. Buchanan's primary practice is Mmp Cardiovascular Surgery - HOPD in Portland, Maine. Dr. Buchanan is also affiliated with MaineHealth Maine Medical Center. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Dr. Buchanan to 4 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Buchanan practices, 9 sites in all. Vendor and product names are available with a free account.

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Buchanan's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Buchanan is licensed in Maine.

CMS data shows 124 Medicare services from Dr. Buchanan across 6 procedure codes in 2024, for 143 Medicare patients. Medicare paid $38,957 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 143 Medicare patients who saw Dr. Buchanan in 2024. The largest group is 75 to 84, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.70, 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. Buchanan's median patient age at 73, with 39% women.

In 2024, Dr. Buchanan wrote 130 Medicare Part D claims for 49 patients. 99% of them were for generic drugs. CMS names the drug for 110 of them, across 3 drugs with 11 or more claims each, at $439 in total drug cost. In 2023, CMS named 120 claims across 5 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Dr. Buchanan for performance year 2024, reported through an alternative payment model (APM). Dr. Buchanan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Buchanan as offering telehealth. CMS counts 19 procedures of coronary artery bypass graft (cabg) by Dr. Buchanan, more than 66% of the clinicians it reports for that procedure.

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

Dmand AI links 11 papers to Dr. Buchanan, published from 2017 to 2025. 2020 was the busiest year, with 4. The most frequent topics are Heart Valve Prosthesis, Transcatheter Aortic Valve Replacement and Aortic Valve. Dr. Buchanan has published most often in Cardiovasc Revasc Med. Dr. Buchanan's most frequent co-authors are Thomas Bilfinger, MD, Chiwon Hahn, MD and Christian C. Shults, MD.

Dmand AI links Dr. Buchanan to 1 clinical trial. Conditions studied include Acute Kidney Injury and Inflammation.

CMS Open Payments shows 127 general payments to Dr. Buchanan from 15 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 44% of the total. Edwards Lifesciences Corporation paid the most, $16,568.

Dr. Buchanan graduated from Duke University School of Medicine in 1991.