John Kevin Arnold, CNP

John Arnold practices at Marietta Memorial Hospital in Marietta, Ohio, part of Memorial Health System.

John Arnold's NPI, 1659894921, was assigned on July 19, 2017. John Arnold holds Ohio license APRN.CNP.021224.

John Arnold's primary practice is Marietta Memorial Hospital, at 401 Matthew Street, Marietta, OH 45750 in Washington County. The practice phone is (740) 374-1400.

John Arnold's primary practice is Marietta Memorial Hospital in Marietta, Ohio, part of Memorial Health System. John Arnold is also affiliated with Selby General Hospital. The medical group on file is Marietta Memorial Hospital. Dmand AI also links John Arnold to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account. John Arnold's employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where John Arnold practices, 7 sites in all. Vendor and product names are available with a free account.

Family is John Arnold's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. John Arnold is licensed in Ohio.

CMS counts 736 Medicare patients who saw John Arnold in 2024. The largest group is 75 to 84, with 301 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts John Arnold's median patient age at 74, with 52% women.

In 2024, John Arnold wrote 6,068 Medicare Part D claims for 732 patients. 83% of them were for generic drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for John Arnold for performance year 2024, reported individually. John Arnold accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

CMS Open Payments shows 19 general payments to John Arnold from 8 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $270.