Dr. Ryan Michael Johnston, DO

Dr. Johnston practices at UM Health-Sparrow Carson Hospital in Carson City, Michigan.

Dr. Johnston's NPI, 1780815522, was assigned on July 28, 2009. Dr. Johnston graduated from Arizona College of Osteopathic Medicine - Glendale in 2009. Dr. Johnston holds California license 20A12236.

Dr. Johnston's primary practice is UM Health-Sparrow Carson Hospital, at 406 E Elm St, Carson City, MI 48811 in Montcalm County. The practice phone is (989) 584-3971.

Dr. Johnston's primary practice is UM Health-Sparrow Carson Hospital in Carson City, Michigan. Dr. Johnston is also affiliated with University of Michigan Health-Sparrow Carson. The medical group on file is Vituity. Dmand AI also links Dr. Johnston to 1 more hospital, 4 medical groups and 1 community health center, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnston practices, 3 sites in all. Vendor and product names are available with a free account.

Hospitalist is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Johnston is board certified in internal medicine by the American Osteopathic Board of Internal Medicine. Dmand AI has Dr. Johnston's licenses on file in 3 states: California, Arizona and Michigan.

Dmand AI lists atrial fibrillation and flutter, cardiac arrhythmia, congestive heart failure, coronary artery disease, electrolyte disorders, kidney failure and lung disease: COPD, asthma or bronchitis among the conditions Dr. Johnston treats.

CMS data shows 64 Medicare services from Dr. Johnston across 3 procedure codes in 2024, for 65 Medicare patients. Medicare paid $8,212 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 65 Medicare patients who saw Dr. Johnston in 2024. The largest group is 75 to 84, with 27 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.67, 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. Johnston's median patient age at 77, with 53% women.

In 2024, Dr. Johnston wrote 47 Medicare Part D claims for 15 patients. 91% of them were for generic drugs. They cover 7 drugs, with $7,390 in total drug cost. In 2020, CMS named 53 claims across 4 drugs.

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

CMS Open Payments shows 5 general payments to Dr. Johnston from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $29.

Dr. Johnston graduated from Arizona College of Osteopathic Medicine - Glendale in 2009. Dr. Johnston is a member of ACP and AOA.

Dr. Johnston is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.