Summary

Dr. Timothy Lacy joined Greenbrook in October of 2025. He earned his medical degree from Texas A&M University College of Medicine and trained in Psychiatry at University of Texas Health Sciences Center at San Antonio. Dr. Lacy developed and directed the National Capital Consortium Military Combined Residency Program in Family Practice and Psychiatry and created novel neuroscience and neuropsychiatry educational programs. Dr. Lacy has provided inpatient and outpatient care as a military psychiatrist and private practitioner with over 30 years in a variety of hospitals and clinics. He has experience across a broad range of populations including inner city, veteran, forensic, and developing world patients.

Dr. Lacy also served as Chief of Telehealth, Enterprise Imaging, and Cybermedicine for the U.S. Air Force where he deployed the military’s largest virtual reality system for the treatment of PTSD. He has been a consultant to the Army Telemedicine and Technology Research Center (TATRC), and a member of the NATO Medical Communication/Information Systems & Telemedicine Expert Panel. His current work in technology includes developing virtual reality, acoustic, and robotics solutions for stroke, autism, and mood disorders.

He has been honored with numerous awards for his teaching and writing, and has over 90 peer-reviewed academic articles, book chapters, posters, abstracts and presentations. He is currently an Assistant Clinical Professor of Psychiatry and Behavioral Sciences at George Washington University School of Medicine and Health Sciences.

Greenbrook Mental Wellness provides NeuroStar Transcranial Magnetic Stimulation (TMS) therapy, an FDA-cleared, non-invasive therapy for the treatment of Major Depressive Disorder and other mental health disorders in the United States. We also provide SPRAVATO® esketamine nasal spray treatment, another FDA-approved treatment that is designed to treat depression for those who have not experienced adequate improvement from taking antidepressant medications.

Ready to get started? Find out if treatment is right for you or a loved one by calling today.

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Provider Video

Office Locations

Dr. Timothy Lacy has 5 locations

Kensington

10605 Concord St Ste 302Kensington, MD 20895

Columbia

8850 Stanford Blvd Ste 3300Columbia, MD 21045

Rockville

15001 Shady Grove Rd Ste 220Rockville, MD 20850

Greenbelt

7474 Greenway Center Dr Ste 700AGreenbelt, MD 20770

Annapolis

900 Bestgate Rd Ste 210Annapolis, MD 21401

Quick Facts

  • accepting new patients
  • 5
  • 36 years of experience
  • 10 insurance plans accepted
  • speaks English
  • Texas A&M University System Health Science Center College Of Medicine
  • 1 written review
  • 1 specialty
  • 2 board certifications
  • 5 office locations
  • Male

Patients’ Perspective

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

Insurance Plans Accepted by Dr. Timothy Lacy

  • Accepts Medicare
  • Aetna
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Cigna
  • Humana
  • Magellan Health
  • Medicaid
  • Medicare
  • Tricare
  • UnitedHealthcare

Medical Specialties

Dr. Timothy Lacy has the following specialty

Certifications, License, & Education

36 Years Experience

Education & Training

Medical School

Graduated from Texas A&M University System Health Science Center College Of Medicine in 1990.

NPI Number

Dr. Lacy's NPI number is 1275780934.

Frequently Asked Questions

Is Dr. Timothy Lacy accepting new patients?
Dr. Timothy Lacy is accepting new patients on Vitals. View Dr. Timothy Lacy's profile on Vitals to make an appointment.
Does Dr. Timothy Lacy accept my insurance?
You can see the insurance plans that Dr. Timothy Lacy accepts on their Vitals profile.
Where is Dr. Timothy Lacy's office located?
Dr. Timothy Lacy's office is located at 10605 Concord St Ste 302, Kensington, MD, 20895.
Does Dr. Timothy Lacy accept virtual/telehealth appointments?
Dr. Timothy Lacy has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Timothy Lacy?
You can find contact information for Dr. Timothy Lacy here on Vitals.

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