Elliot Health System is a non-profit organization serving your healthcare needs since 1890.

Developmental and Behavioral Pediatrics

275 Mammoth Road, Suite 1
Manchester, NH 03109

Phone: 603-663-3222
Fax: 603-663-3229

Hours: Monday-Friday, 8:00 a.m. - 5:00 p.m.



Meet Our Providers


James G. McGuire, MD

Education:
George Washington University, MD, 1980, Washington, DC

Internship:
State University of New York @ Buffalo, Buffalo, NY

Residency:
State University of New York @ Buffalo, Buffalo, NY

Traineeship:
ADaPT program at Children’s Hospital at Dartmouth, 1999

Certifications:
American Board of Pediatrics, Developmental –Behavioral Pediatrics; 2009
American Board of Pediatrics, Pediatrics, 1986, 2000, 2007


Barbara N. Samuels, MD MPH

Education:
University of Texas Southwestern Medical School; MD; 1979; Dallas, TX
University of North Carolina School of Public Health; MPH; 1985, Chapel Hill, NC

Residency:
Children’s Hospital Pittsburgh; Pittsburgh, PA (Pediatrics)
University of Texas Health Science Center; San Antonio, TX (Pediatrics)
University North Carolina, Chapel Hill, NC (Preventive Medicine)

Fellowship:
Kapiolani Medical Ctr for Women and Children, University of Hawaii, Honolulu, HI, 2007

Certificates:
American Board of Pediatrics, Developmental-Behavioral Pediatrics, 2011
American Board of Preventive Medicine, Preventive Medicine/Public Health 1993
American Board of Pediatrics, Pediatrics, 1988


Mary Ellen Ryan, APRN

Education:
University of Texas at Arlington, MSN, 1995, Arlington, TX
Fitchburg State College, BSN, 1986, Fitchburg, MA

Internship:
Boston Children’s Adolescent Program, Boston, MA

Certification:
Pediatric Nursing Certification Board, Pediatric Nurse Practitioner, 1995