Dhruv Markan, M.D.

Dhruv Markan, M.D. is a board-certified Internal Medicine physician dedicated to providing comprehensive, patient-centered care through evidence-based medicine and a commitment to improving health outcomes. He currently serves as a Primary Care Physician at Kelsey-Seybold Clinic/Optum in Houston, Texas, where he focuses on preventive care, chronic disease management, and building strong physician-patient relationships. With extensive clinical training and experience across diverse healthcare settings, Dr. Markan brings a broad perspective to primary care and internal medicine.

Dr. Markan completed his Internal Medicine residency at Georgetown University’s MedStar Health Internal Medicine Program in Baltimore, Maryland, from 2020 to 2023. During his residency, he gained extensive experience managing complex medical conditions, coordinating multidisciplinary care, and participating in quality improvement initiatives. He earned his M.B.B.S. degree from Sri B.M. Patil Medical College, Rajiv Gandhi University in Karnataka, India, and later completed additional training and certification requirements in the United States, including certification by the American Board of Internal Medicine.

Throughout his professional career, Dr. Markan has held several clinical and academic roles that have strengthened his expertise in internal medicine and primary care. His experience includes serving as an Assistant Attending in the Department of Internal Medicine at NYU Langone Hospitals in Manhattan, participating in Optum’s Grove Leadership Track, and completing an extended medical externship in the Intermediate Care Unit at MedStar Union Memorial Hospital. He has also contributed to healthcare research through roles with Albert Einstein College of Medicine, SUNY Downstate Medical Center, and NASA’s Johnson Space Center, reflecting his interest in advancing medical knowledge and innovation.

Dr. Markan has actively contributed to medical research, quality improvement, and healthcare advocacy. His work includes research publications on topics such as recurrent spontaneous coronary artery dissection and the reactivation of latent Epstein-Barr virus following radiation exposure. He has also presented research on chronic pain management, immigrant health policy impacts, and space medicine-related studies at various academic conferences and research symposiums. Additionally, he led a quality improvement project focused on improving screening and implementation of PrEP prophylaxis for at-risk patients during his residency.

Beyond his clinical and academic achievements, Dr. Markan is committed to community service and lifelong learning. He has volunteered with organizations focused on community outreach and healthcare access, including City of Refuge in Baltimore and the Shanti & Dharam K. Dogra Charitable Eye Foundation in India. He is a member of professional organizations including the American College of Physicians and the American Medical Association. Outside of medicine, Dr. Markan enjoys running, skiing, traveling, watching documentaries, and participating in sports including cricket, football, and tennis.

• Shri B. M. Patil Medical College, Rajiv Gandhi University of Health Sciences, Karnataka, India - M.D.
• MedStar Health / Georgetown University Program - Internal Medicine Residency, 2023
• Harvard Medical School - Public Health Coursework: Opioid Crisis in America

• American Board of Internal Medicine (ABIM) Certified
• Doctor of Medicine (M.D.) Conferral
• Educational Commission for Foreign Medical Graduates (ECFMG) Certification
• DEA License
• Advanced Cardiac Life Support (ACLS)
• Basic Life Support (BLS)
• HIPAA Training Certification

• American College of Physicians (ACP)
• American Medical Association (AMA)
• Plan International USA – Save a Child
• New York City Research Improvement Networking Group (NYC RING)

• Volunteer, Community Health Services Free Eye Camps – Shanti & Dharam K. Dogra Charitable Eye Foundation, India (
• Volunteer Member, Community Outreach Committee – City of Refuge, Baltimore, MD

Khurana, Sumit; Kaushal, Jessica; Markan, Dhruv; et al.

“Recurrent Spontaneous Coronary Artery Dissection: A Case of Triple Trouble.”

Journal of Community Hospital Internal Medicine Perspectives. 2023;13(2), Article 13.

Mehta, S.K.; Bloom, D.; Plante, I.; Stowe, R.; Feiveson, A.; Renner, A.; Dhummakupt, A.; Markan, D.; et al.

“Reactivation of Latent Epstein-Barr Virus: A Comparison after Exposure to Gamma, Proton, Carbon, and Iron Radiation.”

International Journal of Molecular Sciences. 2018;19(10):2961.

McKee, D.; Lechuga, C.; Markan, D.; et al.

“Group Acupuncture Therapy with Modified Yoga for Chronic Pain (GAPYOGA).”

Poster presentation at Annual Research Symposium, New York Academy of Medicine (2019) and NYC RING Annual Convocation of Practices (2018).

Anderson, M.; Lechuga, C.; Markan, D.; et al.

“Mental & Social Impact of Immigrant Policy Instability on an Underserved Primary Care Community.”

Presented at NYC Research and Improvement Networking Group Annual Convocation of Practices (2018).

Mehta, S.K.; Plante, I.; Bloom, D.C.; Stowe, R.; Renner, A.; Markan, D.; et al.

“Reactivation of Latent Epstein-Barr Virus: A Comparison after Gamma Rays and Proton Treatment.”

• Poster presentation at the American Society for Gravitational and Space Research Annual Meeting (2017).