Names You Know, People You Trust
Welcome to Diagnostic Clinic
Rajeev Singh, M.D., FACC
Hospitalist
Welcome to Diagnostic Clinic
Alison Walgama, M.D.
Family Medicine
Welcome to
Diagnostic Clinic
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The Diagnostic Clinic of Longview
serves the East Texas Area.
Worried You May Have COVID-19?
Click below to read five steps you can take.
Telemedicine Now Available
DCOL is offering telemedicine appointments during the COVID-19 pandemic. Contact your provider’s office to discuss options.
ExpressCare is Temporarily Closed
In light of the Covid-19 Pandemic, we are taking temporary precautions to keep our patients and staff as safe as possible. Thank you in advance for your understanding.
DCOL will continue providing all other services to our community throughout this pandemic.
Pay your bill online.
We strive to offer our patients quality medical care and assist the patient to receive maximum benefit from their insurance plan. Log in to Online Bill Pay to take advantage of features like eStatements, Statement and Payment History, and Payment Profiles.
DCOL Center for Clinical Research
Clinical research is vital in the advancement of medicines and medical breakthroughs. DCOL Center for Clinical Research is committed to helping companies find new and/or better ways to treat various diseases. Our research staff recruits volunteers to participate in our clinical trials.
Your Information at Your Fingertips
Patient Portal facilitates better communication with your physician’s office by providing convenient 24/7 access from the comfort and privacy of your own home or office.