Dr. Thomas Mark Johnson, MD

Dr. Johnson practices at The Retina Group of Washington in New Providence, New Jersey.

Dr. Johnson's NPI, 1366498545, was assigned on May 26, 2006. Dr. Johnson holds Maryland license D0057684.

Dr. Johnson's primary practice is The Retina Group of Washington, at 425 Mountain Ave, New Providence, NJ 07974 in Union County. The practice phone is (301) 441-4577.

Dr. Johnson's primary practice is The Retina Group of Washington in New Providence, New Jersey. Dr. Johnson is also affiliated with Inova Fair Oaks Hospital. Dmand AI also links Dr. Johnson to 1 more 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. Johnson practices, 2 sites in all. Vendor and product names are available with a free account.

Retina specialist is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207WX0107X. Dmand AI has Dr. Johnson's licenses on file in 3 states: Maryland, District of Columbia and Virginia.

CMS data shows 41,398 Medicare services from Dr. Johnson across 19 procedure codes in 2024, for 1,661 Medicare patients. Medicare paid $3,893,514 for them. Every service was in an office.

CMS counts 1,661 Medicare patients who saw Dr. Johnson in 2024. The largest group is 75 to 84, with 685 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 71, with 57% women.

In 2024, Dr. Johnson wrote 624 Medicare Part D claims for 190 patients. 64% of them were for generic drugs. CMS names the drug for 557 of them, across 14 drugs with 11 or more claims each, at $40,955 in total drug cost. In 2023, CMS named 504 claims across 11 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group. Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

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

CMS Open Payments shows 97 general payments to Dr. Johnson from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Genentech, Inc. paid the most, $500.