Dr. Zapas is on Doximity
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Office
501 W Seventh St
Frederick, MD 21701Phone+1 240-575-2526Fax+1 240-575-2527
Education & Training
- MedStar Health/Georgetown-Washington HospitalResidency, Surgery, 1991 - 1998
- University of Maryland School of MedicineClass of 1991
Certifications & Licensure
- MD State Medical License 1993 - 2025
- DC State Medical License 1997 - 2004
- American Board of Surgery Surgery
Awards, Honors, & Recognition
- Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2012
- Fellow (FACS) American College of Surgeons
Clinical Trials
- Radiation Therapy With or Without Trastuzumab in Treating Women With Ductal Carcinoma In Situ Who Have Undergone Lumpectomy Start of enrollment: 2008 Nov 10
- Standard or Comprehensive Radiation Therapy in Treating Patients With Early-Stage Breast Cancer Previously Treated With Chemotherapy and Surgery Start of enrollment: 2013 Aug 01
- Docetaxel, Carboplatin, Trastuzumab, and Pertuzumab With or Without Estrogen Deprivation in Treating Patients With Hormone Receptor-Positive, HER2-Positive Operable or Locally Advanced Breast Cancer Start of enrollment: 2014 Jan 15
Publications & Presentations
PubMed
- 105 citationsDefinitive Results of a Phase III Adjuvant Trial Comparing Three Chemotherapy Regimens in Women With Operable, Node-Positive Breast Cancer: The NSABP B-38 TrialSandra M. Swain, Gong Tang, Charles E. Geyer, Priya Rastogi, James N. Atkins
Journal of Clinical Oncology. 2013-09-10 - 751 citationsOxaliplatin Combined With Weekly Bolus Fluorouracil and Leucovorin As Surgical Adjuvant Chemotherapy for Stage II and III Colon Cancer: Results From NSABP C-07J. Philip Kuebler, H. Samuel Wieand, Michael O’Connell, Roy E. Smith, Linda H. Colangelo
Journal of Clinical Oncology. 2007-06-01 - 331 citationsSeven-Year Follow-Up Assessment of Cardiac Function in NSABP B-31, a Randomized Trial Comparing Doxorubicin and Cyclophosphamide Followed by Paclitaxel (ACP) With ACP ...Edward H. Romond, Jong-Hyeon Jeong, Priya Rastogi, Sandra M. Swain, Charles E. Geyer
Journal of Clinical Oncology. 2012-11-01
Press Mentions
- Single Best Practice to Prevent DVT Reduces Hospital Costs by More Than $1.5 Million AnnuallyJanuary 29th, 2016
Professional Memberships
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