Accepting patients
Who is Dr. Johnson, Cardiologist in Katy, TX?
Dr. Nils Johnson, MD is a Cardiologist, who primarily practices in Katy, TX with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Johnson completed his residency at McGaw Medical Center - Northwestern University. Dr. Johnson is fluent in English, and is currently seeing new patients. Dr. Johnson’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Johnson’s office at (713) 500-6611.
What are Areas of Expertise for Dr. Johnson?
Dr. Nils Johnson, MD is a highly-rated, board-certified Cardiologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Johnson empowers patients to confidently navigate their health journey, specializing in Angioplasty & Stent Replacement, Cardiac Catheterization, or comprehensive wellness support. Serving the Katy/TX community, Dr. Johnson is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Johnson go to medical school and complete their residency?
Residency: McGaw Medical Center - Northwestern University
Is Dr. Johnson board certified in Cardiologist?
Yes, Dr. Nils Johnson, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Johnson speak?
Dr. Johnson and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Johnson treat?
As a Cardiologist, Dr. Johnson diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Johnson. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Arrhythmia
- Fast Heartbeat
- Other Heart Rhythm Disorder
- Atrial Fibrillation
- Irregular heartbeat
- Heart rhythm disorder
- Cardiac dysrhythmia
- Tachycardia
- Rapid heart rate
- Racing heart
- Cardiac Dysrhythmia
- Irregular Heartbeat
- Heart Rhythm Problems
- Afib
- A-fib
- Irregular heart rhythm
ICD-10 Codes:
- I499: Cardiac arrhythmia, unspecified
- R000: Tachycardia, unspecified
- I498: Other specified cardiac arrhythmias
- I4891: Unspecified atrial fibrillation
Also known as:
- Abnormal EKG
- Heart Health Tests
- Irregular Electrocardiogram
- Unusual Heart Rhythm Test
- ECG Abnormalities
ICD-10 Codes:
- R9431: Abnormal electrocardiogram [ECG] [EKG]
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Also known as:
- Worsening Chronic Systolic Heart Failure
- Heart Failure
- Acute Decompensated HFrEF
- Sudden Worsening Heart Failure
- Acute on Chronic Pumping Heart Failure
- Congestive Heart Failure
- CHF
- Cardiac Insufficiency
ICD-10 Codes:
- I5023: Acute on chronic systolic (congestive) heart failure
- I509: Heart failure, unspecified
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Heart Attack (NSTEMI)
- Heart Attack
- Myocardial Infarction
- Non-STEMI
- Less Severe Heart Attack
ICD-10 Codes:
- I214: Non-ST elevation (NSTEMI) myocardial infarction
Also known as:
- Medical Exam for Other Specific Reasons
- Health Screening
- Specific Reason Medical Check-up
- Observation for Specific Concerns
- Targeted Health Evaluation
ICD-10 Codes:
- Z0489: Encounter for examination and observation for other specified reasons
Also known as:
- High Blood Pressure Heart Disease with Heart Failure
- Heart Failure
- High Blood Pressure
- Hypertensive Heart Failure
- High Blood Pressure Causing Heart Failure
ICD-10 Codes:
- I110: Hypertensive heart disease with heart failure
Which procedures does Dr. Johnson perform as a Cardiologist?
As a Cardiologist, procedures performed by a Dr. Nils Johnson may include:
- Absent Pulmonary Valve Repair
- Anomalous Coronary Artery Angiography
- Anticoagulation Management
- Aortic Stenosis Repair
- Aortic Valve Repair / Replacement
- Aortopulmonary Window Repair
- Arterial Doppler
- Balloon Septostomy
For detailed information, please contact Dr. Johnson's office.
Does Dr. Johnson accept my insurance?
Dr. Johnson accepts most major insurance plans. Important: Please call our office at (713) 500-6611 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Johnson accept in Katy, TX?
Dr. Johnson in Katy, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Cross Blue Shield of Michigan
CVS Health (formerly Aetna)
Express Scripts
Health Care Service Corporation (HCSC)
Kaiser Permanente
Medicare
Molina
Oscar Health Insurance Co
UnitedHealthcare
View All Insurances
Where is Dr. Johnson's office located?
Dr. Nils Johnson's Primary Practice
21720 Kingsland Blvd Ste 101
Katy, TX 77450
(713) 500-6611
What is Dr. Johnson's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Johnson's National Provider Identifier (NPI) number is 1841484326.
What common questions do patients ask about Dr. Johnson?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Johnson
What is Dr. Nils Johnson's specialty?
Dr. Johnson is a Cardiologist near Katy, TX. An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias. Contact Dr. Johnson to book an appointment today.
Is this Dr. Nils Johnson affiliated with a ranked Castle Connolly Top Hospital?
No, Johnson is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Memorial Hermann-Texas Medical Center. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Cardiologist?
Explore Cardiologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Nils Johnson accepting new patients in Katy, TX?
Yes, Dr. Nils Johnson is accepting new patients at this time.
Does Dr. Nils Johnson offer online booking?
Please contact Dr. Johnson's office at (713) 500-6611 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Nils Johnson?
Please contact Dr. Johnson's office at (713) 500-6611 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Nils Johnson have?
Dr. Nils Johnson is certified by the American Board of Internal Medicine.
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