Douglas Rennert, M.D.
Pulmonary Disease Internal Medicine
Douglas Rennert is a Pulmonary Disease Internal Medicine specialist based in Leesburg, VA with over 42 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: CRITICAL CARE (INTENSIVISTS)
Douglas Rennert, M.D. practices as part of a group pulmonologist practice in Leesburg, VA. He graduated from Columbia University College of Physicians and Surgeons in 1984 and has 42+ years of clinical experience. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
At a glance
- Prescribes opioids less than 46% of reporting doctors in Virginia
- Virtual visits available — no app or travel required
Older · 1048dNPPES updated 2023-07-10 · verify NPI on CMS · Verify license at Virginia Board of Medicine
Contact & Location
Practice Location
19455 Deerfield Ave Suite 206, Leesburg, VA 20176-8100
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively.
MIPS Score
202373.3/100
Virginia avg: 82.9 · US avg: 83.6
⚠ Lower than most doctors nationally(-10.3 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better0.77%
Virginia avg: 4.2 · US avg: 5.1
✓ Higher than most doctors nationally(-4.3 pts)
Typical range among reporting doctors in Virginia0.77% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better49.5%
Virginia avg: 84.1 · US avg: 82.8
⚠ Lower than most doctors nationally(-33.3 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
807
Unique beneficiaries
High volumePrescription Recipients
357
Patients prescribed
Prescriptions Written
2,466
Total claims
Total Medicare drug cost: $1.14M
Percentile rankings compared against 2,357 reporting peers in Virginia.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+9%) — a focus area for this doctor
Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow
US avg: 20.4%↑ More patients than average (+30%) — a focus area for this doctor
A condition causing airway inflammation, wheezing, and difficulty breathing
US avg: 13.3%↑ More patients than average (+26%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+6%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-5%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-1%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$2.2k received from industry
87 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Douglas Rennert's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1984
Columbia University Vagelos College of Physicians and Surgeons
Board certified · Jul 9, 2023
Self-reported via NPPES
42 years in practice
Senior practitioner
Pulmonologists specialize in respiratory conditions including asthma, COPD, pneumonia, pulmonary fibrosis, sleep apnea, and lung cancer screening. They manage patients on ventilators and perform bronchoscopies.
Taxonomy: 207RP1001X
Education & Training
Columbia University College of Physicians and Surgeons (Class of 1984)
Mailing address
19455 Deerfield Ave Ste 206, Leesburg, VA 20176-8100
Differs from practice location
Virtual Pulmonary Disease Care With Douglas Rennert
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Douglas Rennert for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Leesburg required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Douglas Rennert
NPI records show Dr. Rennert as active with telehealth listed in Leesburg, VA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (703) 858-9608.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Douglas Rennert
Practice Location
19455 Deerfield Ave Suite 206, Leesburg, VA 20176-8100
Mailing Address
19455 Deerfield Ave Ste 206, Leesburg, VA 20176-8100
This is a provider directory. Contact the office directly to schedule appointments.
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