Dr. Douglas Rennert, MD

Cardiovascular & Pulmonary Diseases •  Male • Age 62

  
Accepting new patients
Telehealth services available

Dr. Douglas Rennert, MD is a cardiovascular & pulmonary disease specialist in Leesburg, VA and has been practicing for 31 years. He specializes in cardiovascular & pulmonary diseases, pulmonary disease, and more.


Locations

Pulmonary and Critical Care Associates 1

New Patient?
(703) 858-9608
Pulmonary and Critical Care Associates 119455 Deerfield Ave Ste 206 Leesburg, VA 20176
1
Pulmonary and Critical Care Associates 11860 Town Center Dr Ste 270 Reston, VA 20190
2

More Cardiology Specialists at Pulmonary and Critical Care Associates 1

Dr. Rennert's Reviews

Likelihood to recommend Dr. Rennert

3.9

Based on 19 reviews

5 Stars
68.42105263157895%
(13)
4 Stars
0%
(0)
3 Stars
5.2631578947368425%
(1)
2 Stars
5.2631578947368425%
(1)
1 Star
21.05263157894737%
(4)

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Dr. Rennert?
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Average Reported Wait Time
  • 10 – 15 minutes
Dr. Rennert's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Douglas Rennert, MD
RecentHighestLowestMost Helpful
Reply Flag
I have been a patient of Dr. Rennart for approximately 8 years. In this time the doctor has helped me prolong my working career and life through medication therapy and education. He is kind, empathetic and knowledgeable in his field of expertise. I would gladly recommend him to all family and friends suffering from pulmonary or coronary diseases. He is truly blessed in his field. Thank you Dr. Rennart!! Respectfully, Mike
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Mike San Juan – Apr 03, 2020
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Dr. Rennert is a wonderful physician. He has been very helpful with my lung disorder. Also Dr. Rennert is very personable. He spends time with a patient. I highly recommend him.
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Mary Lynn Richford – Jul 27, 2019
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Dr Rennert has always been fabulous. Very personable and I feel he has cured my asthma. Great guy and very easy to talk to.
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Gabriella Williams in Potomac Falls, VA – Aug 03, 2017
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Insurance Check

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Dr. Rennert accepts most major insurance plans.

Dr. Rennert has indicated that he accepts most major insurance carriers

Accepted insurance can change. Please double-check when making an appointment.

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Background Check

No malpractice claims found for Virginia
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Practice Areas

Sleep-disordered Breathing

Sleep-disordered breathing specialists diagnose and treat conditions, such as snoring or obstructive sleep apnea, in which breathing is interrupted during sleep, resulting in symptoms of fatigue, irritability and high blood pressure.

Typically treats 97% more than their peers

Based on claims data for 1 condition or procedure

TreatmentsTreatment Frequency
Sleep Disorders
very high
very high

Treatment Frequency

Dr. Rennert treats Sleep Disorders more than 97% of their peers

Dr. Rennert treats this condition more than 97% of their peers

Sleep Apnea
very high
very high

Treatment Frequency

Dr. Rennert treats Sleep Apnea more than 97% of their peers

Dr. Rennert treats this condition more than 97% of their peers

Obstructive Lung Disease

Obstructive lung disease specialists diagnose and treat conditions including COPD, emphysema, asthma and cystic fibrosis that cause blockages or narrowing in the airways of the lungs, making breathing difficult.

Typically treats 79% more than their peers

Based on claims data for 4 conditions and procedures

TreatmentsTreatment Frequency
COPD (Chronic Obstructive Pulmonary Disease)
very high
very high

Treatment Frequency

Dr. Rennert treats COPD (Chronic Obstructive Pulmonary Disease) more than 95% of their peers

Dr. Rennert treats this condition more than 95% of their peers

Asthma
very high
very high

Treatment Frequency

Dr. Rennert treats Asthma more than 95% of their peers

Dr. Rennert treats this condition more than 95% of their peers

Pulmonary Function Test
very high
very high

Treatment Frequency

Dr. Rennert performs Pulmonary Function Test more than 94% of their peers

Dr. Rennert performs this procedure more than 94% of their peers

Pulmonary Vascular Conditions

Pulmonary vascular specialists diagnose and treat conditions affecting the flow of blood between the heart and lungs, including pulmonary hypertension and pulmonary embolism.

Typically treats 59% more than their peers

Based on claims data for 1 condition or procedure

TreatmentsTreatment Frequency
Pulmonary Embolism
normal
normal

Treatment Frequency

Dr. Rennert treats Pulmonary Embolism more than 59% of their peers

Dr. Rennert treats this condition more than 59% of their peers

Respiratory-tract Conditions

Immunologists diagnose and treat conditions such as pneumonia, bronchitis, and COPD that affect the respiratory system, including the nasal passages, bronchi and lungs.

Typically treats 59% more than their peers

Based on claims data for 10 conditions and procedures

TreatmentsTreatment Frequency
Shortness of Breath
very high
very high

Treatment Frequency

Dr. Rennert treats Shortness of Breath more than 98% of their peers

Dr. Rennert treats this condition more than 98% of their peers

Asthma
very high
very high

Treatment Frequency

Dr. Rennert treats Asthma more than 95% of their peers

Dr. Rennert treats this condition more than 95% of their peers

Partial Lung Collapse
normal
normal

Treatment Frequency

Dr. Rennert treats Partial Lung Collapse more than 84% of their peers

Dr. Rennert treats this condition more than 84% of their peers

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Check Dr. Rennert's experience treating your condition or procedure

Dr. Rennert's Top Procedures and Conditions

Treatment Frequency
Shortness of Breath
very high
very high

Treatment Frequency

Dr. Rennert treats Shortness of Breath more than 98% of his peers

Dr. Rennert treats this condition more than 98% of his peers

Sleep Disorders
very high
very high

Treatment Frequency

Dr. Rennert treats Sleep Disorders more than 97% of his peers

Dr. Rennert treats this condition more than 97% of his peers

Rating Includes other areas of care:

  • Acute insomnia
  • Advanced Sleep Phase Disorder
  • Breathing-Related Sleep Disorders
  • Central Sleep Apnea
  • Circadian Rhythm Sleep Disorder
  • Delayed Sleep Phase Disorder
  • Drug-Induced Insomnia
  • Endogenous Insomnia
  • Excessive Daytime Sleepiness
  • Fatal Familial Insomnia
  • Infantile Sleep Apnea
  • Insomnia
  • Insomnia With Sleep Apnea
  • Irregular Sleep-Wake Pattern
  • Jet Lag
  • Narcolepsy
  • Non-24-Hour Sleep-Wake Syndrome
  • Pediatric Sleep Disorders
  • Primary Insomnia
  • Problem Sleepiness
  • Psycho-Reactive Insomnia
  • Psychophysiological Insomnia
  • REM Sleep Behavior Disorder
  • Secondary Insomnia
  • Shift Work Sleep Disorder
  • Sleep Apnea
  • Sleep-Talking
  • Sleep-Walking
Sleep Apnea
very high
very high

Treatment Frequency

Dr. Rennert treats Sleep Apnea more than 97% of his peers

Dr. Rennert treats this condition more than 97% of his peers

Rating Includes other areas of care:

  • Central Sleep Apnea

Dr. Rennert's conditions and procedures:

  • Acidosis
  • Acute Bronchitis
  • Acute Lower Respiratory Infection
  • Acute Upper Respiratory Infection
  • Alkalosis
  • Aneurysm
  • Angina and Acute Coronary Syndrome
  • Aortic Aneurysm
  • Aortic Ectasia
  • Aortic Embolism and Thrombosis
  • Aortic Stenosis
  • Aortic Valve Disease
  • Aortic Valve Regurgitation
  • Arrhythmias
  • Arterial Blood Gas Test (ABG)
  • Asthma
  • Asthma in Adults
  • Atrial Fibrillation
  • Atrial Flutter
  • Autoimmune Diseases
  • Autonomic Disorders
  • Benign Tumor
  • Bird Flu
  • Breath Testing
  • Bronchiectasis
  • Bronchiolitis
  • Bronchitis
  • Bronchoscopy
  • Bronchospasm
  • Cardiac Catheterization (incl. Coronary Angiography)
  • Cardiac Imaging
  • Cardiomegaly
  • Cardiomyopathy
  • Carotid Artery Disease
  • Chest CT (incl. Heart and Lungs)
  • Chest Pain
  • Chest X-Ray
  • Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
  • Collapsed Lung (Pneumothorax)
  • Congenital Heart Defects
  • Congestive Heart Failure
  • Continuous Positive Airway Pressure (CPAP)
  • COPD (Chronic Obstructive Pulmonary Disease)
  • Coronary Artery Disease (CAD)
  • Cough
  • Emphysema
  • Empyema
  • Endocarditis
  • Heart Attack (Acute Myocardial Infarction)
  • Heart Disease
  • Heart Murmur
  • Hyperlipidemia
  • Hypersensitivity Pneumonitis
  • Hypertension
  • Hypertensive Chronic Kidney Disease
  • Hypertensive Heart and Chronic Kidney Disease
  • Hypertensive Heart Disease
  • Hypotension
  • Influenza (Flu)
  • Interstitial Lung Disease
  • Limb Swelling Caused by Fluid Overload
  • Low Blood Oxygen Level
  • Lung Cancer
  • Lung Nodule
  • Metastatic Respiratory System Cancer
  • Mitral Valve Disease
  • Mitral Valve Regurgitation
  • Mitral Valve Stenosis
  • Mycobacterial Lung Infection
  • Oximetry
  • Partial Lung Collapse
  • Pericardial Disease
  • Peripheral Artery Catheterization
  • Pleural Effusion
  • Pneumonia
  • Pneumonitis (Due to Solids or Liquids)
  • Primary Pulmonary Hypertension
  • Pulmonary Disease
  • Pulmonary Edema
  • Pulmonary Embolism
  • Pulmonary Function Test
  • Pulmonary Hypertension
  • Pulmonary Insufficiency
  • Pulmonary Sarcoidosis
  • Respiratory Failure
  • Respiratory Management
  • Sarcoidosis
  • Septal Defect
  • Shortness of Breath
  • Sinusitis
  • Sleep Apnea
  • Sleep Disorders
  • Sleep Study
  • Swine Flu
  • Syncope
  • Systemic Sclerosis
  • Thrombosis
  • Tricuspid Valve Disease
  • Vascular Disease
  • Wheezing

About Me

Care Philosophy

We are committed to taking care of our patients in the most compassionate and efficacious manner utilizing diagnostic tools judiciously.

Specialties

  • Cardiovascular & Pulmonary Diseases
  • Critical Care Medicine
  • Pulmonary Disease

Board Certifications

  • Critical Care Medicine
  • Pulmonary Disease
  • Sleep Medicine

Education

1989
New York University Med Center Tisch Hospital
Fellowship Hospital
1987
St Luke's-Roosevelt Hospital Center
Residency Hospital
1985
St Luke's-Roosevelt Hospital Center
Internship Hospital

Awards

Affiliated Hospitals

Check the quality of care at hospitals where Dr. Rennert treats patients.

Learn more

Reston Hospital Center

Reston, VA

71% Patient experience rating, 2% higher than the national average

  • Patient Safety Excellence Award™ (2019, 2018, 2017)

Inova Loudoun Hospital

Leesburg, VA

75% Patient experience rating, 6% higher than the national average

  • America's 250 Best Hospitals Award™ (2020, 2019, 2018)
  • Patient Safety Excellence Award™ (2019, 2018, 2017)