Dr. Melvin C. Mahoney, MD

Dr. Mahoney practices at University Hospital at Downstate in Brooklyn, New York, part of State University of New York.

Dr. Mahoney's NPI, 1558450981, was assigned on October 12, 2006. Dr. Mahoney holds New York license 177841.

Dr. Mahoney's primary practice is University Hospital at Downstate, at 445 Lenox Road, Brooklyn, NY 11203 in Kings County. The practice phone is (718) 270-1000.

Dr. Mahoney's primary practice is University Hospital at Downstate in Brooklyn, New York, part of State University of New York.

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

Internal medicine is Dr. Mahoney's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mahoney is licensed in New York.

CMS data shows 211 Medicare services from Dr. Mahoney across 2 procedure codes in 2023, for 16 Medicare patients. Medicare paid $17,202 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 16 Medicare patients who saw Dr. Mahoney in 2024. 75% of them have diabetes, and 75% have high blood pressure. Their average risk score is 2.82, 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. Mahoney's median patient age at 70, with 60% women.

In 2024, Dr. Mahoney wrote 359 Medicare Part D claims for 28 patients. 87% of them were for generic drugs. CMS names the drug for 183 of them, across 9 drugs with 11 or more claims each, at $41,452 in total drug cost. In 2023, CMS named 185 claims across 11 drugs.

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

CMS Open Payments shows 48 general payments to Dr. Mahoney from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Phathom Pharmaceuticals, Inc. paid the most, $221.