Nicholas Barry Argento, M.D.

Headshot of Nicholas Barry Argento


Diabetes, Endocrine Diseases, Endocrinology, Endocrinology and Metabolism, Metabolism, Type 1 Diabetes more


Maryland Endocrine, PA

Appointment Phone: 301-953-2080
10710 Charter Drive
Medical Pavilion at Howard County Suite 410
Columbia, MD 21044
Fax: 301-953-3543
Maryland Endocrine, PA - Google Maps


Nicholas Argento, M.D. attended Georgetown University and graduated Magna Cum Laude with a BS in Biology, then the University of Maryland School of Medicine and graduated Cum Laude. He completed his residency in Internal Medicine and fellowship in Diabetes, Endocrine and Metabolism at the University of Maryland Medical System.

He joined Maryland Endocrine full time in 1991. He has been the Medical Advisor to the diabetes program at Johns Hopkins Howard County Medical Center since 1995, and gives talks regularly to medical and patient audiences on diabetes.

He has a strong interest in type 1 diabetes (T1D), and has extensive experience in utilizing insulin pumps and continuous glucose monitoring (CGM) to help patients safely achieve better blood glucose control.

He has 4 publications in medical journals on different aspects of CGM use, and was co-author or contributor to multiple chapters in the 2013 American Diabetes Association book, Putting Your Patient On The Pump, 2nd edition.

He has presented clinical research multiple times at the American Diabetes Association Scientific Sessions and other medical meetings, and has spoken to local, national, and international audiences on insulin pumps and the clinical application of CGM technology.

He is very active on and lends medical support to and has written numerous articles for the T1DExchange website, a website dedicated to outreach, research and engagement of and for the T1D community.

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  • MD; University of Maryland School of Medicine (1985)


  • Internal Medicine; University of Maryland Medical Center (1988)


  • Endocrinology | Diabetes & Metabolism; University of Maryland Medical Center (1991)

Board Certifications

  • American Board of Internal Medicine (Endocrinology/Diabetes/Metabolism) (1991)
  • American Board of Internal Medicine (Internal Medicine) (1988)

Activities & Honors


  • Fellow, American College of Endocrinology
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