Dr. Mary Jo Johnstone, MD

Dr. Johnstone practices at NYU Langone Hospitals - Long Island in Mineola, New York.

Dr. Johnstone's NPI, 1467717348, was assigned on July 7, 2012. Dr. Johnstone holds New York license 265752.

Dr. Johnstone's primary practice is NYU Langone Hospitals - Long Island, at 259 1st St, Mineola, NY 11501 in Nassau County. The practice phone is (516) 576-1820.

Dr. Johnstone's primary practice is NYU Langone Hospitals - Long Island in Mineola, New York. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Dr. Johnstone to 1 more medical group, named with a free account.

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

Emergency medicine is Dr. Johnstone's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Johnstone is licensed in New York.

CMS data shows 300 Medicare services from Dr. Johnstone across 3 procedure codes in 2024, for 306 Medicare patients. Medicare paid $37,065 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 306 Medicare patients who saw Dr. Johnstone in 2024. The largest group is 75 to 84, with 120 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.45, 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. Johnstone's median patient age at 70, with 64% women.

In 2024, Dr. Johnstone wrote 54 Medicare Part D claims for 44 patients. 96% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $64 in total drug cost.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Johnstone for performance year 2024, reported as part of a group. Dr. Johnstone accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 1 general payment to Dr. Johnstone from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $76.