Asthma & Allergy Physicians

Family Nurse Practitioner
Brockton, MA | July 2016 to present / August 2007 – July 2011

Ocean State Urgent Care, LLC

Family Nurse Practitioner
Woonsocket, RI | September 2014-present

Northeast Allergy, Asthma & Immunology

Family Nurse Practitioner
Leominster, MA | July 2011-September 2014

Dartmouth Medical

Family Nurse Practitioner
North Dartmouth, MA | May 2002 to September 2007

Tru-Med Walk-In

Family Nurse Practitioner
Fall River, MA | May 2001 to May 2002

Dana-Farber Cancer Institute

Program Administrator, Senior Clinical Research Data Manager
Boston, MA | May 1994 to August 1997, full time, part time until 1999

Brigham & Women's Hospital

Research Database Manager
Boston, MA | May 1994 to August 1997


MGH Institute of Health Professions

Boston, MA Registered Nurse – February 1999 MSN, Family Nurse Practitioner – December 2000

Wheaton College

Norton, MA – B.A.
Major: Psychobiology – May 1994


Nurse Practitioner/Registered Nurse – State of Massachusetts and Rhode Island, current

DEA, Rhode Island and Massachusetts Controlled Substances, current


ANCC Board Certification

Family Nurse Practitioner, current

ACLS, BLS for Health Care Provider, current


AmeriCorp Student Health Services

Taunton, MA | November 1998 to August 1999
Nurse: Provided Health Care and community service to under-served population including teen pregnancy prevention, free blood pressure screenings as well as glucose screenings for the elderly.


MNA, Massachusetts Nursing Association

AANP, American Academy of Nurse Practitioners

ACAAI, American College of Allergy, Asthma and Immunology


  1. Demetri, G.D., Baldini, E.H., Foran, J.M., Marcus, K.D., Yenush, L.A., Corson, J.M., Singer, S. “Ewing's sarcoma (EWS) in adults: Limited survival despite high rates of response to chemotherapy. Proc ASCO 1996; 15: 523 (#1686).

  2. Demetri, G.D., Stefanowicz, L.A., Geiger, E.A., Xu, G., Richardson, P., Elias, A.D. Dose intensification of liposome- encapsulated daunorubicin (DaunoXome) with Filgrastim support in patients with solid tumors. Blood 1997, 90 (suppl 1): 357b.

  3. Demetri, G.D., Spiegelman, B., Fletcher, C.D., Stefanowicz, L.A., Geiger, E.A., Singer, S. PPAR-Gamma ligands as differentiation therapy for liposarcomas: preclinical modeling and early phase II clinical trial results. Proc Conn Tissue Oncolo Soc 1997.

  4. Demetri, G.D., Spiegelman, B., Fletcher, C.D., Williamson, D., Stefanowicz, L.A., Geiger, E.A., Singer S. Differentiation therapy for Liposarcomas using Troglitazone, Proc ASCO 1998.


Please contact one of the offices below to make an appointment with Leslie A. Stefanowicz, M.S.N., FNP-BC