Dr. Peter V. Johnston, MD

Dr. Johnston practices at Johns Hopkins Bayview Medical Center in Baltimore, Maryland, part of Johns Hopkins Health System.

Dr. Johnston's NPI, 1629128830, was assigned on January 11, 2007. Dr. Johnston graduated from University of Michigan Medical School in 2000. Dr. Johnston holds Maryland license D65567.

Dr. Johnston's primary practice is Johns Hopkins Bayview Medical Center, at 4940 Eastern Avenue, Baltimore, MD 21224 in Baltimore City. The practice phone is (410) 550-0123.

Dr. Johnston's primary practice is Johns Hopkins Bayview Medical Center in Baltimore, Maryland, part of Johns Hopkins Health System. Dr. Johnston is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Johnston to 1 more hospital and 2 medical groups, 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.

Interventional cardiology is Dr. Johnston's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Johnston is licensed in Maryland.

CMS data shows 1,419 Medicare services from Dr. Johnston across 13 procedure codes in 2024, for 899 Medicare patients. Medicare paid $72,822 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 899 Medicare patients who saw Dr. Johnston in 2024. The largest group is 65 to 74, with 348 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 2.36, 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 72, with 41% women.

In 2024, Dr. Johnston wrote 1,035 Medicare Part D claims for 122 patients. 84% of them were for generic drugs. CMS names the drug for 849 of them, across 21 drugs with 11 or more claims each, at $109,150 in total drug cost. In 2023, CMS named 662 claims across 19 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Johnston for performance year 2024, reported as part of a group. CMS counts 59 procedures of coronary angioplasty and stenting by Dr. Johnston, more than 88% of the clinicians it reports for that procedure.

Pacemaker insertion or repair: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 17 papers to Dr. Johnston, published from 2014 to 2024. 2021 was the busiest year, with 3. The most frequent topics are Heart Failure, Ventricular Function, Left and Bone Marrow Transplantation. Dr. Johnston's most frequent co-authors are Amish N. Raval, MD, Gary Gerstenblith, MD and Carl J. Pepine, MD.

CMS Open Payments shows 43 general payments to Dr. Johnston from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 65% of the total. BioCardia, Inc. paid the most, $18,826.

Dr. Johnston graduated from University of Michigan Medical School in 2000.