Summary

Dr. Douglas Rennert is a pulmonologist and critical care medicine specialist who brings 42 years of experience to patient care. He earned his medical degree from Columbia University College of Physicians & Surgeons and completed his residency at New York University. Dr. Rennert speaks English and has dedicated over four decades to helping patients with complex respiratory and critical care needs.

Dr. Rennert practices at Reston Hospital Center and Inova Loudoun Hospital Center, with office locations in Reston and Leesburg, Virginia. He treats patients with breathing problems and chronic bronchitis. His expertise includes pulmonary function testing and sleep studies to help diagnose and monitor lung conditions. Patients have given Dr. Rennert an average rating of 4.6 out of 5 on Vitals, reflecting their confidence in his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.6
  • 42 years of experience
  • speaks English
  • New York University
  • 4 written reviews
  • 2 specialties
  • 10 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Douglas Andrew Rennert has 4 locations

Pulmonary And Critical Care Associates Pc

1860 Town Center Dr Ste 270Reston, VA 20190
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed

Pulmonary And Critical Care Associates Pc

19455 Deerfield Ave Ste 206Leesburg, VA 20176
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed

Reston Hospital Center

1850 Town Center PkwyReston, VA 20190

Inova Loudoun Hospital Center

44045 Riverside PkwyLeesburg, VA 20176

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Dr. Douglas Andrew Rennert, MDDr. Mohammed Azim, MDLaura Judith DitarantiMichael T Condrey
PulmonologyPulmonologyCritical Care MedicineNurse Practitioner
Accepts New Patients Accepts New Patients
4.6 
42 Years of Experience 35 Years of Experience 6 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish, Persian, Urdu
Reston , VAManassas , VAWashington , DCWASHINGTON , DC
Med School: Columbia University College Of Physicians & Surgeons Med School: CATHOLIC MEDICAL CENTER Med School: Rutgers Robert Wood Johnson Medical School
Current Profile
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Insurance Plans Accepted by Dr. Douglas Andrew Rennert

  • Accepts Medicare

Medical Specialties

Dr. Douglas Andrew Rennert has the following 2 specialties

Specialty Expertise

Dr. Douglas Andrew Rennert has the following 10 areas of expertise

  • Angiographic Visualization
  • Asthma
  • Chest Infection
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Critical Care Medicine
  • Electrocardiography (EKG)
  • Emphysema
  • Pneumonia
  • Pulmonary Function Test
  • Tuberculosis (TB)

Certifications, License, & Education

42 Years Experience

Dr. Douglas Andrew Rennert holds an expired medical license in the state of Virginia.

Medical License

Medical Doctor with an expired medical license in the state of Virginia that expired in 2026.

Education & Training

Residency

Completed their residency at New York University.

Medical School

Graduated from Columbia University College Of Physicians & Surgeons in 1984.

NPI Number

Dr. Rennert's NPI number is 1992796502.

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Frequently Asked Questions

Where is Dr. Douglas Rennert's office located?
Dr. Douglas Rennert's office is located at 1860 Town Center Dr Ste 270, Reston, VA, 20190.
How can I make an appointment with Dr. Douglas Rennert?
You can find contact information for Dr. Douglas Rennert here on Vitals.
What languages does Dr. Douglas Rennert speak?
Dr. Douglas Rennert speaks English.
Which hospitals is Dr. Douglas Rennert affiliated with?
Dr. Douglas Rennert is affiliated with Reston Hospital Center and Inova Loudoun Hospital Center.
Does Dr. Douglas Rennert accept virtual/telehealth appointments?
Dr. Douglas Rennert has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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