David E. Johnston

David Johnston practices at North Memorial Health Clinic - Elk Rover in Elk River, Minnesota.

David Johnston's NPI, 1871962431, was assigned on September 24, 2015.

David Johnston's primary practice is North Memorial Health Clinic - Elk Rover, at 800 Freeport NW Ave, Elk River, MN 55330 in Sherburne County. The practice phone is (763) 581-9220.

David Johnston's primary practice is North Memorial Health Clinic - Elk Rover in Elk River, Minnesota. David Johnston is also affiliated with North Memorial Health - Robbinsdale Hospital. The medical group on file is North Memorial Health.

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

Physician assistant is David Johnston's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

CMS counts 153 Medicare patients who saw David Johnston in 2026. The largest group is 65 to 74, with 66 patients. 64% of them have high cholesterol, and 62% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts David Johnston's median patient age at 35, with 56% women.

In 2026, David Johnston wrote 491 Medicare Part D claims for 340 patients. 89% of them were for generic drugs.

David Johnston accepts Medicare assignment, so Medicare's approved amount is taken as full payment.