Dr. Patrick Michael Chiasson, MD

Dr. Chiasson practices at Northwest Tucson Surgery Center LP in Tucson, Arizona.

Dr. Chiasson's NPI, 1861458754, was assigned on April 21, 2006. Dr. Chiasson holds Arizona license 29820.

Dr. Chiasson's primary practice is Northwest Tucson Surgery Center LP, at 6130 N La Cholla Blvd, Tucson, AZ 85741 in Pima County. The practice phone is (520) 229-2220.

Dr. Chiasson's primary practice is Northwest Tucson Surgery Center LP in Tucson, Arizona. Dr. Chiasson is also affiliated with Northwest Medical Center. The medical group on file is Northwest Allied Physicians. Dmand AI also links Dr. Chiasson to 3 more hospitals 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. Chiasson practices, 5 sites in all. Vendor and product names are available with a free account.

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

CMS data shows 455 Medicare services from Dr. Chiasson across 10 procedure codes in 2024, for 175 Medicare patients. Medicare paid $68,635 for them.

CMS counts 175 Medicare patients who saw Dr. Chiasson in 2024. The largest group is 65 to 74, with 81 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 1.28, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chiasson's median patient age at 67, with 71% women.

In 2024, Dr. Chiasson wrote 770 Medicare Part D claims for 202 patients. 93% of them were for generic drugs. CMS names the drug for 638 of them, across 13 drugs with 11 or more claims each, at $26,469 in total drug cost. In 2023, CMS named 663 claims across 15 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Chiasson for performance year 2024, reported through an alternative payment model (APM). Dr. Chiasson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 175 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Chiasson, more than 88% of the clinicians it reports for that procedure.

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

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 1 paper to Dr. Chiasson in 2022. Dr. Chiasson's most frequent co-authors are Reginald C.w. Bell, MD, Aaron B. Hoffman, MD and William J. Petraiuolo, MD.

Dmand AI links Dr. Chiasson to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Gastroesophageal Reflux and Esophageal Motility Disorders.

CMS Open Payments shows 188 general payments to Dr. Chiasson from 23 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 64% of the total. Medical Device Business Services, Inc. paid the most, $29,961.