Dr. Douglas Rennert, MD
Leesburg, VA
35 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Rennert, Pulmonologist in Leesburg, VA?
Dr. Douglas Rennert, MD is a Pulmonologist, who primarily practices in Leesburg, VA with 2 additional practice locations. He has been practicing for over 35 years and is board certified by the American Board of Internal Medicine. Dr. Rennert graduated from Columbia Univ College of Physicians And Surgeons and completed his residency at Nyu Hospitals Center, Pulmonary Diseases. Dr. Rennert is fluent in English and Hindi, and is currently seeing new patients. Dr. Rennert’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. Rennert’s office at (703) 858-9608.
What are Areas of Expertise for Dr. Rennert?
Dr. Douglas Rennert, MD is a highly-rated, board-certified Pulmonologist 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. Rennert empowers patients to confidently navigate their health journey, specializing in Sleep Disorders, or comprehensive wellness support. Serving the Leesburg/VA community, Dr. Rennert is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Rennert go to medical school and complete their residency?
Residency: Nyu Hospitals Center, Pulmonary Diseases | St. Luke's-Roosevelt Hospital Center | New York University School of Medicine Program
Medical School: Columbia Univ Coll of Physicians And Surgeons, New York Ny | Columbia Univ College of Physicians And Surgeons
Is Dr. Rennert board certified in Pulmonologist?
Yes, Dr. Douglas Rennert, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Rennert speak?
Dr. Rennert and their clinical team can communicate with patients in the following languages:
English
Hindi
What conditions does Dr. Rennert treat?
As a Pulmonologist, Dr. Rennert 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. Rennert. 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:
- Asthma
- Mild Persistent Asthma
- Severe Persistent Asthma
- Moderate Persistent Asthma
- Asthma Flare-Up
- Reactive Airway Disease
- Bronchial Asthma
- Allergic Asthma
- Ongoing Mild Asthma
- Regular Mild Asthma
- Chronic Mild Asthma
- Chronic Severe Asthma
- Difficult-to-Treat Asthma
- Severe Asthma
- Ongoing Moderate Asthma
- Regular Moderate Asthma
- Chronic Moderate Asthma
- Asthma Attack
- Acute Asthma Exacerbation
- Worsening Asthma
- Asthma Episode
ICD-10 Codes:
- J45909: Unspecified asthma, uncomplicated
- J4530: Mild persistent asthma, uncomplicated
- J4550: Severe persistent asthma, uncomplicated
- J4540: Moderate persistent asthma, uncomplicated
- J45901: Unspecified asthma with (acute) exacerbation
Also known as:
- COPD
- COPD Flare-Up
- Chronic Obstructive Pulmonary Disease
- Chronic Lung Disease
- Emphysema and Chronic Bronchitis
- COPD Exacerbation
- Chronic Obstructive Pulmonary Disease Flare-Up
- Worsening COPD
- COPD Attack
ICD-10 Codes:
- J449: Chronic obstructive pulmonary disease, unspecified
- J441: Chronic obstructive pulmonary disease with (acute) exacerbation
Also known as:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
Also known as:
- Obstructive Sleep Apnea
- Sleep Apnea
- Obstructive sleep apnea
- OSA
- Blocked airway during sleep
- Snoring and gasping during sleep
ICD-10 Codes:
- G4733: Obstructive sleep apnea (adult) (pediatric)
Also known as:
- Pneumonia
- Cryptogenic Organizing Pneumonia
- Interstitial Lung Disease
- Idiopathic pulmonary fibrosis
- Lung Infection
- Chest Infection
- Pneumonitis
- COP
- Bronchiolitis obliterans organizing pneumonia
- BOOP
- Organizing pneumonia
ICD-10 Codes:
- J189: Pneumonia, unspecified organism
- J84116: Cryptogenic organizing pneumonia
Also known as:
- Cough
- Coughing
- Persistent cough
- Chronic cough
ICD-10 Codes:
- R059: Cough, unspecified
Also known as:
- Chronic Cough
- Cough
- Persistent cough
- Long-lasting cough
- Ongoing cough
ICD-10 Codes:
- R053: Chronic cough
Also known as:
- Bronchiectasis
- Bronchial Disorder
- Damaged Airways
- Chronic Bronchial Dilation
- Lung Airway Damage
ICD-10 Codes:
- J479: Bronchiectasis, uncomplicated
Also known as:
- Other Abnormal Findings on Lung Scan
- Unusual Lung Scan Results
- Atypical Lung Imaging
- Nonspecific Lung Abnormality
ICD-10 Codes:
- R918: Other nonspecific abnormal finding of lung field
Also known as:
- Interstitial Lung Disease
- Idiopathic Interstitial Pneumonia
- Pulmonary Fibrosis
- Idiopathic pulmonary fibrosis
- ILD
- Diffuse Parenchymal Lung Disease
- Chronic Lung Disease
- IIP
- Unknown Cause Lung Inflammation
- Idiopathic Pulmonary Fibrosis
ICD-10 Codes:
- J849: Interstitial pulmonary disease, unspecified
- J84111: Idiopathic interstitial pneumonia, not otherwise specified
Also known as:
- Low Blood Oxygen
- Lung Disease
- Hypoxemia
- Reduced oxygen in blood
- Oxygen deficiency
ICD-10 Codes:
- R0902: Hypoxemia
Also known as:
- Pleural Effusion
- Pleural Disorder
- Fluid in lungs
- Water on the lung
- Fluid around lungs
ICD-10 Codes:
- J90: Pleural effusion, not elsewhere classified
Also known as:
- Excessive Sleepiness
- Sleep Disorder
- Hypersomnia
- Daytime sleepiness
- Too much sleep
ICD-10 Codes:
- G4710: Hypersomnia, unspecified
Which procedures does Dr. Rennert perform as a Pulmonologist?
As a Pulmonologist, procedures performed by a Dr. Douglas Rennert may include:
- Bronchoscopy
- Endobronchial Ultrasound (EBUS)
- Interventional Bronchoscopy
- Intrathoracic Adenopathy
- Lung Cancer Screening
- Lung Cancer Staging
- Lung Surgery Consultation
- Mechanical Ventilation
For detailed information, please contact Dr. Rennert's office.
Does Dr. Rennert accept my insurance?
Dr. Rennert accepts most major insurance plans. Important: Please call our office at (703) 858-9608 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Rennert accept in Leesburg, VA?
Dr. Rennert in Leesburg, VA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Carefirst BlueCross BlueShield
Continental Life Insurance
CVS Health (formerly Aetna)
Department of Defense / Tricare
Elevance Health Inc. (formerly Anthem)
Express Scripts
Medicare
Mutual of Omaha
UnitedHealthcare
View All Insurances
Where is Dr. Rennert's office located?
Dr. Douglas Rennert's Primary Practice
19455 Deerfield Ave Ste 206
Leesburg, VA 20176
(703) 858-9608
What is Dr. Rennert's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Rennert's National Provider Identifier (NPI) number is 1992796502.
What common questions do patients ask about Dr. Rennert?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Rennert
What is Dr. Douglas Rennert's specialty?
Dr. Rennert is a Pulmonologist near Leesburg, VA. An internist specializing in the treatment of lung and airway diseases. The pulmonologist diagnoses and manages conditions such as cancer, pneumonia, pleurisy, asthma, occupational and environmental illnesses, bronchitis, sleep disorders, emphysema, and other complex lung disorders. Contact Dr. Rennert to book an appointment today.
Is this Dr. Douglas Rennert affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Rennert is affiliated with Reston Hospital Center, Inova Loudoun Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They 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 Pulmonologist?
Explore Pulmonologist 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 Douglas Rennert accepting new patients in Leesburg, VA?
Yes, Dr. Douglas Rennert is accepting new patients at this time.
Does Dr. Douglas Rennert offer online booking?
Please contact Dr. Rennert's office at (703) 858-9608 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Douglas Rennert?
Please contact Dr. Rennert's office at (703) 858-9608 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Douglas Rennert have?
Dr. Douglas Rennert is certified by the American Board of Internal Medicine.
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