Welcome to Metro Health Services
We strive to provide excellent, compassionate and affordable medical care to all of our patients. Our healthcare providers are dedicated individuals with more than 35 years of experience each in management and treatment of chronic metabolic conditions.
We accept the following insurance plans:
INTERNAL MEDICINE
We utilize a comprehensive approach for the diagnosis, treatment, and prevention of medical conditions
DEDICATED HEALTHCARE
Personalized care, attention and dedication to your best health are at the center of our services
NUTRITION COUNSELING
Our unique Medical Weight Management Program is a physician-assisted weight loss plan that offers a variety of treatment options
Meet Our Doctors

Dr. Cyril A. Allen, M.D., MSPH
is an experienced internist providing excellent medical care to patients for over 30 years. He has served as the chief medical officer, clinical professor and principal investigator on several clinical trials. Additionally, Dr. Allen has implemented innovative treatment programs for metabolic disorders including morbid obesity, diabetes and inflammatory diseases causing weight problems.

Dr. Hengameh Schaal, Ph.D., MPH, MT (ASCP)
is a highly skilled nutrition scientist specializing in chronic disease management (especially obesity and diabetes) and hormone-related weight problems. Dr. Schaal has more than 30 years of clinical experience in addition to serving as an academic dean, clinical researcher and visiting professor at renowned institutions throughout the U.S. and abroad.
Our Services
We provide comprehensive medical evaluations to determine our patients’ metabolic and health status. This is followed by implementing the appropriate treatment plan to improve health outcomes and quality of life. Nutrition assessment and counseling are included as important components of our treatment strategies. Our physician-assisted weight loss plan offers many treatment options including appetite suppressing medications, injectables and nutraceuticals (specially formulated dietary supplements) in addition to nutrition counseling to help patients achieve ideal weigh goals. Major conditions addressed by our clinicians are:
DIABETES AND PREDIABETES
(IMPAIRED GLUCOSE TOLERANCE)
HYPERTENSION
METABOLIC CONDITIONS
OBESITY AND HORMONAL IMBALANCE
WEIGHT MANAGEMENT
HEALTH AND WELLNESS
Testimonials
“Both doctors are knowledgeable and kind. They actually took the time to find out what was wrong and why I continued to gain weight. They put me on the right medication and dietary regimen. I now have lost 20lbs and have managed to keep it off by eating better and getting used to my new healthy lifestyle. Thank you for taking care of me.”
J. Smalley, Alexandria, VA
“Since I visited Dr. Schaal and Dr. Allen, my health has gotten so much better. I am still working on my cholesterol and glucose level issues that run on both sides of my family. Much appreciated and much needed ‘quality medical care’. I feel much better.”
Chaddy R., Falls Church, VA
Nutrition assessment and counseling are included as important parts of our treatments plans.
METRO HEALTH SERVICES
CONTACT INFORMATION
7700 Old Branch Ave. Suite 203 Clinton, Mayland 20735
Hours of operation:
*M-F 09:00 AM to 02:00 PM
*By appointment only
Dr. Cyril Allen provides Telehealth visits. For more information please feel free to contact us.
Phone: 202-846-1412
Fax: 202-846-1418
Email: info@mhs-va.com