A graduate of Tufts
University School of Medicine, Dr. Hammond serves patients
in our Hooksett and Exeter offices. He completed his
internship and residency at the State University of New York
at Buffalo, spent one year at Massachusetts General Hospital
as a hematology fellow and another year as the staff
oncologist at the Veteran’s Administration Hospital in White
River Junction, Vermont. He joined our practice in 1978.
Robert J. Friedlander, Jr., MD
Dr. Friedlander attended
Cornell University Medical College and completed his
training in internal medicine at The New York Hospital
Cornell Medical Center. He then spent three years as a
fellow in hematology and oncology at Cornell. Dr.
Friedlander joined NHOH in 1987, and practices in our
Laconia and Franklin offices.
Charles H. Catcher, MD
Having joined NHOH in
1992, Dr. Catcher began his medical studies at the
University of Minnesota and then completed his internship
and residency at Maine Medical Center in Portland. He served
a fellowship in oncology and hematology for three years at
the University of Vermont in Burlington. Dr. Catcher see
patients in the Concord and Laconia offices.
Danny M. Sims, MD
A graduate of Emory
University’s medical school, Dr. Sims completed his
internship and residency at the Medical College of Virginia
in Richmond. He completed a three-year fellowship in the
division of hematology and oncology at the same college,
where he spent another year as an attending physician in
oncology and hematology. He joined our practice in 1992 and
sees patients in our Hooksett and Exeter locations.
Frederick M.
Briccetti, MD
Dr. Briccetti joined NHOH in 1994 after
having completed his medical studies at the University of
Cincinnati College of Medicine and his internship and
residency at The New York Hospital. He completed a
three-year fellowship in hematology and oncology at The New
York Hospital Cornell Medical Center, and was assistant
attending physician at The New York Hospital and instructor
in medicine at Cornell. Dr. Briccetti sees patients in our
Concord and Londonderry offices.
Douglas J. Weckstein, MD
Having attended medical
school at the Medical College of Virginia, Dr. Weckstein
completed his internship, residency, clinical fellowship and
research fellowship in hematology and oncology at New
England Medical Center Hospital in Boston. He served as
chief medical resident in the
Internal Medicine Residency program, and then was in private
practice in Middletown, New York. He joined NHOH in 1998 and
cares for patients in our Hooksett and Londonderry locations.
Peter H. Crow, MD
Dr. Crow joined NHOH in
2000 upon completion of a three-year fellowship in
hematology and oncology at the University of Virginia Health
Science Center. He attended Columbia University College of
Physicians and Surgeons and completed his internship and
residency at the University of Virginia Health Science
Center. Dr. Crow cares for patients at our Hooksett and
Concord offices.
Gina M. DiVenuti, MD
Dr. DiVenuti began
practicing at NHOH in 2003 following a three-year clinical
fellowship at New England Medical Center in hematology and
oncology. She completed her medical and undergraduate
degrees with honors at Brown University, and then completed
a three-year medical house training program in internal
medicine at New England Medical Center. Dr. DiVenuti sees
patients at the Hooksett and Exeter practice locations.
Meredith J. Selleck, MD
Dr. Selleck completed
her post-doctoral training at Columbia Presbyterian Medical
Center as a clinical fellow in hematology and oncology,
before joining NHOH in 2003. She earned her medical degree
at New York Medical College, and completed her internship
and residency at Columbia Presbyterian Medical Center. Dr.
Selleck sees patients in our Hooksett and Londonderry
offices.
Jeanna H. Walsh, MD
Dr. Walsh is a graduate
of the State University of New York at the Upstate Medical
University in Syracuse, New York. She completed both her
fellowship in hematology and oncology and her residency in
internal medicine at the University of Rochester in
Rochester, New York. Dr. Walsh joined NHOH in 2007 and
practices at our Concord and Londonderry offices.
Michael S. Buff, MD
Dr. Buff is a graduate of the State University of New York
at Stony Brook School of Medicine in Stony Brook, NY. He
completed both his fellowship in hematology and oncology and
his residency in internal medicine at the Beth Israel
Deaconess Medical Center in Boston, Massachusetts. Dr. Buff
joined NHOH in 2007 and cares for patients in our Hooksett
and Exeter locations.
Ralph M. Falk, MD
Dr. Falk, an Internist,
is our practices’ staff Hospitalist. He joined NHOH in 2006
after practicing eleven years at Exeter Hospital. He
received his BS in Chemistry at SUNY in Albany, NY, his MD
from New York Medical College in Valhalla, NY, and completed
his residency in internal medicine at Danbury Hospital (Yale
University). As a hospitalist for NHOH, he sees only
hospitalized patients, he is in constant communication with
our physicians and provides patients with a familiar and
consistent care system.
