Comprehensive, personalized internal medicine in Rockville — blending preventive wellness with evidence-based treatment for chronic and acute conditions.
Dr. Lahr is currently accepting new patients for both preventive care and chronic condition management.
(301) 315-6380
Dr. Daniel Lahr brings years of clinical experience to his practice in Rockville, Maryland — treating each patient as an individual, not a chart.
He believes that effective care begins with understanding the full picture: your medical history, your lifestyle, and your goals. Whether you're managing a chronic condition, addressing a new concern, or prioritizing preventive health, Dr. Lahr provides thoughtful, evidence-based guidance in a setting where you are never rushed.
From routine screenings to complex chronic care, Dr. Lahr offers a full spectrum of services tailored to adult health needs.
Annual physicals, health screenings, immunizations, and lifestyle counseling to keep you healthy and catch issues early.
Expert management of diabetes, hypertension, heart disease, thyroid disorders, and other long-term conditions.
Prompt diagnosis and treatment for infections, minor injuries, seasonal illnesses, and other urgent health concerns.
In-office lab work, EKG, and coordination of specialized tests to ensure accurate diagnosis and timely follow-up.
Seamless referrals and communication with specialists to ensure you receive coordinated, comprehensive care.
Thorough review and optimization of prescriptions, ensuring safe and effective pharmacotherapy for your conditions.
We make it simple to begin your care with Dr. Lahr. Whether you're switching providers or establishing care for the first time, we'll guide you through every step.
Reach us at (301) 315-6380 to book your initial appointment.
Fill out a brief health history form before your visit (available online or in-office).
Arrive 10 minutes early, then enjoy a thorough, unhurried consultation.
Ready to schedule an appointment or have questions? Reach out — we're here to help.
9707 Medical Center Dr
Rockville, MD 20850-3348
Mon – Fri: 9:00 AM – 5:00 PM
Evening & Weekend slots available