Dr. William R. Mazalewski, DO

Dr. Mazalewski practices at Lung Associates Of Sarasota in Sarasota, Florida.

Dr. Mazalewski's NPI, 1841652948, was assigned on March 28, 2016. Dr. Mazalewski graduated from Lake Erie College of Osteopathic Medicine - Bradenton in 2016. Dr. Mazalewski holds Florida license OS15007.

Dr. Mazalewski's primary practice is Lung Associates of Sarasota, at 1921 Waldemere St, Sarasota, FL 34239. The practice phone is (941) 366-5864.

Dr. Mazalewski's primary practice is Lung Associates Of Sarasota in Sarasota, Florida. Dr. Mazalewski is also affiliated with Sarasota Memorial Hospital - Sarasota Campus. The medical group on file is First Physicians Group of Sarasota. Dmand AI also links Dr. Mazalewski to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mazalewski practices, 4 sites in all. Vendor and product names are available with a free account.

Pulmonary disease is Dr. Mazalewski's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Mazalewski is board certified in critical care medicine by the American Board of Internal Medicine. Dmand AI has Dr. Mazalewski's licenses on file in 2 states: Florida and Louisiana.

Dmand AI lists asthma, bronchitis, chronic lung disease, chronic obstructive pulmonary disease (COPD), chronic respiratory failure, hypersomnia, pleural effusion and pneumonia among the conditions Dr. Mazalewski treats.

CMS data shows 1,898 Medicare services from Dr. Mazalewski across 17 procedure codes in 2024, for 1,016 Medicare patients. Medicare paid $197,689 for them.

CMS counts 1,016 Medicare patients who saw Dr. Mazalewski in 2024. The largest group is 75 to 84, with 454 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 2.29, 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. Mazalewski's median patient age at 73, with 49% women.

In 2024, Dr. Mazalewski wrote 450 Medicare Part D claims for 102 patients. 20% of them were for generic drugs. CMS names the drug for 349 of them, across 11 drugs with 11 or more claims each, at $453,656 in total drug cost. In 2023, CMS named 289 claims across 12 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Mazalewski for performance year 2024, reported individually. Dr. Mazalewski accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 1 paper to Dr. Mazalewski in 2023. Dr. Mazalewski's most frequent co-authors are Kyle Ittmann Happel, MD, David R. Janz, MD and Amita Krishnan, MD.

CMS Open Payments shows 111 general payments to Dr. Mazalewski from 23 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 94% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $432.

Dr. Mazalewski graduated from Lake Erie College of Osteopathic Medicine - Bradenton in 2016.

Dr. Mazalewski is in network with 14 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.