Maggie-Anne Smith, PA-C

Headshot of Maggie-Anne Smith, PA-C

Education: Master of Science, Le Moyne College, DeWitt, NY
Physician Assistant School, Le Moyne College, DeWitt, NY

Certification(s): Certified by the National Commission on Certification of Physicians Assistants (NCCPA)

Staff Appointment: 2025

Sameera Quraishi, MD

Photo of Sameera Quraishi, MD

Hometown:
Karachi, Sindh

College and Specific Degrees:
Baqai Medical College, Pakistan

Career Aspiration:
Nephrology

Michael Peyser, MD, FACS, FSSO

Headshot of Michael Peyser, MD

Education

  • Medical School: Eastern Virginia Medical School, Norfolk, VA
  • Residency: Eastern Virginia Medical School, Norfolk, VA
  • Fellowship: Roswell Park Cancer Institute, Buffalo, NY
  • Board Certification: The American Board of Surgery
  • Staff Appointment: 2025

Awards

  • 2019, 2020, 2021, 2022 and 2023 Buffalo Spree’s Top Doctor
  • 2012 Hampton Roads Magazine Top Doctor
  • 2006-2008, 2010 Cancer Liaison Physician Outstanding Performance Award. Commission on Cancer, American College of Surgeons
  • 2008 Cancer Liaison Physician Award, American Cancer Society
  • 2005-2011 Cancer Liaison Physician

Subspecialties

  • Breast Surgery
  • Surgical Oncology

About Dr. Peyser

Dr. Peyser received his medical degree and completed his surgical residency at Eastern Virginia Medical School. After medical school, Dr. Peyser completed a Fellowship in Surgical Oncology at Roswell Park Cancer Institute and was a clinical instructor through the University at Buffalo School of Medicine.

Prior to joining Samaritan Health, he served as a provider for Windsong Breast Care and was part of a large, multi-specialty group at Hampton Roads Surgical Specialists in Newport News and Williamsburg. He was also a clinical professor and instructed students and residents in Surgical Oncology and General Surgery at Riverside Regional Medical Center.

Dr. Peyser was the recipient of several outstanding achievement awards from the Commission on Cancer, American College of Surgeons and was recognized by the Hampton Roads magazine as a Top Doc. He has also been recognized by Buffalo Spree as a 2019 and 2020 Top Doctor for Breast Surgery. He is a Fellow of the Society of Surgical Oncology and has written and presented numerous articles relative to health and cancer, organized the Breast Cancer Program at Riverside Regional Medical Center, proctored other surgeons in techniques of breast cancer surgery, and formed committees to align physicians and the hospital with the cancer needs of patients.

Dr. Peyser is continually researching and implementing new practices and is committed to providing the most progressive breast cancer treatment and care for his patients in a multi-modality fashion. He uses oncoplastic techniques (and received a Certificate of Performance in Oncoplastic Surgery from the NCBC in 2024), hidden scar lumpectomies and mastectomies, nipple sparing mastectomies, and nerve reinnervation for nipple sensation. Dr. Peyser is constantly exploring other advanced surgical techniques for breast surgery.

Kathleen Murphy, FNP

Portrait of Kathleen Murphy, FNP (Cancer Care)

Education:

  • Degree: Master Science in Nursing, FNP, SUNY Upstate Medical University, Syracuse NY
  • Certification: American Association of Nurse Practitioners (AANP) Staff Appointment: 2024
  • Staff Appointment: 2024

    Emile Shumbusho, M.D.

    Portrait of Emile Shumbusho, M.D.

    Hometown: 

    Musanze, Rwanda

    Colleges and Specific Degrees: 

    Wright State University Boonshoft School of Medicine

    University of Rwanda, School of Medicine and Health Sciences

    Career Aspirations: 

    Critical Care / Hospital Medicine

    David Flores, MD

    Dr. David Flores, MD

    Hometown:

    Baldwin Park, CA

    Colleges and Specific Degrees:

    Universidad Autonoma de Guadalajara, Doctor of Medicine

    University of La Verne, Cellular Biology

    Mesa College, Computer Systems Administration

    US Army, NCO Professional Development System, Basic Leadership Course

    Career Aspirations:

    Primary Care, International and Domestic Medical Volunteerism, and Geriatrics

    Biren Chokshi, MD, MS

    Headshot of Biren Chokshi, MD

    Education:

    • Medical School: Rutgers New Jersey Medical School
    • Residency: SUNY Stony Brook University Hospital, New York
    • Fellowship: NYU- Hospital for Joint Diseases, New York
    • Board Certification: American Board of Orthopaedic Surgery
    • Staff Appointment: 2024

    Specialties:

    • Shoulder, Hip and Knee Surgery
    • Robotic Total Hip and Total Knee Replacement
    • Advanced Arthroscopic Surgery of the Shoulder and Knee
    • Standard and Reverse Total Shoulder Replacement

    Get to Know Dr. Chokshi

    Valerie Fischer, DO

    Dr. Valerie Fischer

    Hometown:

    Tewksbury, MA

    Colleges and Specific Degrees:

    BS Biology and Chemistry – Washington College

    MS Pharmacology – Georgetown University

    DO – LECOM – Elmira

    Career Aspirations:

    Hospitalist or Critical Care

    Simi Mammen, MD

    Portrait of Dr. Simi Mammen

    Hometown:

    Kerala, India

    Colleges and Specific Degrees:

    Doctor of Medicine degree from Sofia Medical University, Bulgaria

    Career Aspirations:

    Family Medicine Physician

    Danielle Sawyer, PA-C

    Headshot of Danielle Sawyer, PA-C

    Education:

    • Degree: Master of Science – Physician Assistant at SUNY Upstate Medical University, Syracuse, NY
    • Certification: National Commission on Certification of Physician Assistants (NCCPA)
    • Staff Appointment: 2024

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