Dr. Nils Persson Johnson, MD

Dr. Johnson practices at Memorial Hermann-Texas Medical Center in Houston, Texas, part of Memorial Hermann Health System.

Dr. Johnson's NPI, 1841484326, was assigned on August 28, 2007. Dr. Johnson graduated from Vagelos College of Physicians and Surgeons in 2004. Dr. Johnson's Texas license number on file is N5749.

Dr. Johnson's primary practice is Memorial Hermann-Texas Medical Center, at 6411 Fannin, Houston, TX 77030 in Harris County. The practice phone is (713) 704-3700.

Dr. Johnson's primary practice is Memorial Hermann-Texas Medical Center in Houston, Texas, part of Memorial Hermann Health System. Dr. Johnson is also affiliated with The University of Texas MD Anderson Cancer Center. The medical group on file is UT Physicians. Dmand AI also links Dr. Johnson to 2 more hospitals and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 5 sites in all. Vendor and product names are available with a free account.

Cardiovascular disease is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Johnson is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Dr. Johnson's licenses on file in 2 states: Texas and Illinois.

Dmand AI lists angioplasty, atrial fibrillation and flutter, cardiac arrhythmia, cardiac catheterization, cardiomyopathy, chest pain, chronic hypertension and circulation problems among the conditions Dr. Johnson treats.

CMS data shows 1,084 Medicare services from Dr. Johnson across 17 procedure codes in 2024, for 561 Medicare patients. Medicare paid $69,904 for them.

CMS counts 561 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 232 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.17, 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. Johnson's median patient age at 68, with 48% women.

In 2024, Dr. Johnson wrote 1,474 Medicare Part D claims for 169 patients. 83% of them were for generic drugs. CMS names the drug for 1,311 of them, across 29 drugs with 11 or more claims each, at $239,547 in total drug cost. In 2023, CMS named 1,041 claims across 28 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 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.

Coronary angioplasty and stenting: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 200 papers to Dr. Johnson, published from 2007 to 2025. 2024 was the busiest year, with 15. The most frequent topics are Fractional Flow Reserve, Myocardial, Coronary Artery Disease and Coronary Stenosis. Dr. Johnson has published most often in JACC Cardiovasc Interv. Dr. Johnson's most frequent co-authors are Kenneth L. Gould, MD, William Fuller Fearon, MD and Allen Jeremias, MD.

Dmand AI links Dr. Johnson to 2 clinical trials. Conditions studied include Coronary Artery Disease, Atherosclerosis and Coronary Disease.

CMS Open Payments shows 163 general payments to Dr. Johnson from 11 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 41% of the total. Abbott Laboratories paid the most, $121,135.

Dmand AI lists 1 award for Dr. Johnson.

Dr. Johnson graduated from Vagelos College of Physicians and Surgeons in 2004. Dr. Johnson is a member of ACC.

Dr. Johnson is in network with 22 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.