Dr. Michael W. McNamara, MD

Dr. McNamara practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.

Dr. McNamara's NPI, 1336268747, was assigned on March 28, 2007. Dr. McNamara holds Michigan license 4301087880.

Dr. McNamara's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.

Dr. McNamara's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dr. McNamara is also affiliated with Corewell Health Greenville Hospital. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. McNamara to 3 more hospitals, 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. McNamara practices, 6 sites in all. Vendor and product names are available with a free account.

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

CMS data shows 1,096 Medicare services from Dr. McNamara across 21 procedure codes in 2024, for 792 Medicare patients. Medicare paid $35,372 for them.

CMS counts 792 Medicare patients who saw Dr. McNamara in 2024. The largest group is 65 to 74, with 309 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.81, 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. McNamara's median patient age at 67, with 50% women.

In 2024, Dr. McNamara wrote 6,867 Medicare Part D claims for 1,537 patients. 87% of them were for generic drugs. CMS names the drug for 6,696 of them, across 37 drugs with 11 or more claims each, at $1,201,145 in total drug cost. In 2023, CMS named 7,097 claims across 39 drugs.

Dr. McNamara accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 72 general payments to Dr. McNamara from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 57% of the total. Medtronic Vascular, Inc. paid the most, $1,717.