About ProHealth

ProHealth is a research facility, affiliated with Johns Hopkins Medical Institutions, for community-based prevention trials and observational epidemiology studies.

Address: 1849 Gwynn Oak Ave, Suite 1, Baltimore, MD 21207

Phone: 410-281-1600

Location: ProHealth is located in the Woodlawn neighborhood of Baltimore County.

Hours of Operation: Monday-Thursday 8:00 a.m. -5:00 p.m.; Friday 8:00 a.m. – noon



From points North and South, follow the Baltimore Beltway (I-695) to EXIT 17 (Security BLVD) toward WOODLAWN.

Merge onto SECURITY BLVD (MD-122E), and turn Left onto GWYNN OAK AVE. End at 1849 Gwynn Oak Ave, Baltimore, MD 21207.



ProHealth was established in 1992 by Drs. Paul Whelton (Founder and Past Director), Lawrence Appel (Current Director), and Fred Brancati to support National Institutes of Health (NIH) funded multi-center trials of cardiovascular disease prevention.  Over the past 10 years, recruitment efforts at ProHealth have been led by Jeanne Charleston, RN, a nationally regarded expert in recruitment.   Ms. Charleston has developed invaluable community contacts, staff, information resources, and procedures in the course of a virtually continuous recruitment effort. 

ProHealth is located in the Woodlawn neighborhood of Baltimore. The approximately 10,000 sq. ft. facility is the site for community-based prevention trials and observational epidemiology studies. The facility offers clinical examination rooms and a data bank for biologic specimens. It is an excellent resource for comunity residents, university faculty and trainees interested in cardiovascular and kidney disease prevention studies, particularly clinical trials.

Today ProHealth supports multiple NIH studies, and has experienced staff of over 30 research assistants and interventionists. Previously completed studies at ProHealth include: The Diet and Study of Hypertension II (DASH II); PREMIER (a randomized trial of lifestyle interventions to lower blood pressure); the African-American Study of Hypertension and Kidney Diseases (AASK); and the Weight Loss Maintenance Study. Ongoing NIH-supported trials underway at Pro-Health include: The ACHIEVE Study; CKD-K Study; CRIC Study; Go FISH; the Look Ahead Study; and the Diabetes Prevention Project (DPP).


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