Skip to Content
Dr. Nils Johnson MD

Dr. Nils Johnson MD

Cardiovascular Disease Specialist

Memorial Hermann Texas Medical Center
(832) 325-7211


Dr. Nils Johnson completed his undergraduate degree at the University of British Columbia in Vancouver, Canada, and earned his medical degree from Columbia University Vagelos College of Physicians and Surgeons in New York, New York. He then completed his internal medicine residency and fellowships in cardiology and interventional cardiology at the Northwestern University Feinberg School of Medicine in Chicago, Illinois. In addition, he also received a Master of Science degree in epidemiology and biostatistics from the Department of Preventive Medicine at Northwestern.

Board certified in internal medicine, cardiovascular disease, interventional Cardiology and nuclear cardiology, Dr. Johnson hasclinical interests that include determining when invasive cardiac catheterization, angioplasty (stent), or bypass surgery are necessary by using non-invasive tools like cardiac PET imaging or invasive tools like FFR and CFR.

His research with mentor Dr. Kenneth Lance Gould started in 1999 and focuses on clinical coronary physiology, from perfusion imaging to intracoronary hemodynamics. During the 2015-16 academic year, he spent a sabbatical emphasizing invasive coronary physiology with Dr. Nico Pijls at the Catharina Hospital in Eindhoven, Netherlands. Dr. Johnson served as the principal investigator for international trials in coronary physiology like CONTRAST (NCT02184117) and DEFINE-FLOW (NCT02328820). He lectures worldwide and has published numerous academic articles.

Physician Details

Medical Education
Columbia University College of Physicians And Surg, 2004
Internships & Residency
Northwestern University Medical School, 2007
Northwestern University Medical School, 2010
PCP Number
Cities Served
Bellaire, Galena Park, Houston, Missouri City
ZIP Codes Served
77001, 77002, 77003, 77004, 77005, 77006, 77007


Insurance Accepted

  • AARP Medicare Complete
  • Aetna (Most Benefit Plans)
  • Aetna Medicare
  • Aetna Signature Administrators PPO
  • AHI Healthlink
  • Amerigroup Chip
  • Amerigroup MMP Perinatal*
  • Amerigroup Star
  • Amerigroup Star Plus
  • Amerivantage
  • Beechstreet
  • Blue Cross Blue Shield Texas
  • Blue Exchange PPO
  • Cigna (Most Benefit Plans)
  • Coastal Comp Healthnetworks PPO*
  • Coastal Comp Healthnetworks Work Comp
  • Community Health Choice
  • Community Health Choice Chip
  • Community Health Choice Marketplace Kelsey QHP
  • Community Health Choice Marketplace QHP
  • Community Health Choice Star
  • Corporate Remedies Worker's Comp*
  • Corvel Worker's Comp*
  • Coventry Health Care - PPO Network
  • Coventry Medicare Advantra
  • Evolutions Healthcare Systems - PPO Network*
  • Evolutions Healthcare Systems - Worker's Comp*
  • First Health - PPO Network
  • First Health - Worker's Comp
  • Galaxy Health Network
  • Healthsmart
  • Humana (Most Benefit Plans)
  • Humana Gold Choice PFFS
  • Humana Gold Plus HMO
  • Humana HMOx QHP Exchange
  • Humanachoice PPO Medicare
  • Independant Medical Systems
  • Injury Management Organization Worker's Comp*
  • Interplan Health Group (IHG)*
  • Medicaid Traditional
  • Medicare Traditional
  • Medicus International - PPO Network
  • Memorial Hermann Advantage HMO
  • Memorial Hermann Advantage PPO
  • Memorial Hermann Solutions
  • Multiplan
  • OccuNet PPO - PPO Network
  • Olympus (International) - PPO Network*
  • Political Subdivision Workers Comp Alliance*
  • Private Healthcare System
  • Reny Company Worker's Comp
  • Rockport - PPO Network*
  • Superior CHIP/Perinatal*
  • Superior Foster Care Program
  • Texas True Choice - PPO Network*
  • United Healthcare (Most Benefit Plans)
  • United Healthcare Chip
  • United Healthcare Chronic Complete
  • United Healthcare Dual Complete
  • United Healthcare Medicare Advantage
  • United Healthcare Star
  • United Healthcare Star Plus Perinatal*
  • United Healthcare TXMMP
  • US Family Health Plan
  • USA Managed Care Organization - PPO Network
  • USA Managed Care Organization - Worker's Comp*
  • Wellcare
  • WorkLink Worker's Comp

In The News

00 ABC 13 Icon 80x80