Nurse Practitioners and Physician Assistants
Our skilled nurse practitioners and physician assistants aid in the evaluation and treatment of a variety of orthopaedic issues.
Emily Holloway, CRNP
Emily joined the OACM family in January 2019 as a Nurse Practitioner. Emily works closely with Dr. Michael DeMarco and Dr. Gurtej Singh to provide optimal patient care regarding back pain. Together we strive to obtain an accurate diagnosis, explain a wide variety of treatment and management options, and minimize the use of opiates for chronic pain.
Prior to working as a Nurse Practitioner, Emily was an Orthopaedic/Trauma and Orthopaedic Spine Registered Nurse at Johns Hopkins Hospital. During that time, she served as a Primary Nurse Leader, Charge Nurse, Preceptor, SuperUser for EPIC, and Patient Advocate.
In her spare time, she enjoys reading, being outdoors, spending time with family and friends, and traveling. Emily’s goal is to provide excellent and quality care through thorough evaluation, examination, and treatment.
- Bachelor of Science in Nursing, West Virginia University School of Nursing, 2012
- Master of Science in Nursing, Johns Hopkins University School of Nursing, 2017
Angeline Williams, CRNP
Angeline joined the OACM family in 2021 as a Nurse Practitioner and head of OACM’s “Own the Bone” program. "Own the Bone" is designed for the screening, treatment, and prevention of osteoporosis and other bone health issues. Angeline works together with our orthopaedic physicians and physical therapists to provide the best approach for the identification and management of osteoporosis, and the prevention of bone fractures.
Before joining OACM, Angeline performed pain management at The National Spine and Pain Center in Bel Air and worked as an Orthopaedic Nurse Practitioner in both the clinic and Operating Room at Mercy Medical Center. Before becoming a Nurse Practitioner, Angeline was an Orthopaedic/Trauma Registered Nurse at MedStar Union Memorial performing Spine, Total Joint, Sports Medicine, Foot and Ankle, Hand and Upper Extremity specialties. During her time at MedStar Union Memorial, she fulfilled such roles as Charge Nurse, Preceptor, Mentor, Orthopaedic Resource, and Patient Advocate.
In her spare time Angeline enjoys cycling and is a member of the Baltimore Bicycling Club. She also enjoys paddle boarding, snorkeling, traveling, and spending time with family and friends. Angeline’s goal is to become an advocate for improved access, quality and cost effective care for all patients. Angeline is a member of NPAM (Nurse Practitioners of Maryland) and AANP (American Association of Nurse Practitioners).
- Associate of Science in Nursing, Baltimore City Community College, 2006
- Bachelor of Science in Nursing, Walden University School of Nursing, 2014
- Master of Science in Nursing, Walden University School of Nursing, 2018
Get to know Angeline through this short introduction video:
Sean McGiveron, PA-C
Sean McGiveron joined the Orthopaedic Associates of Central Maryland family in 2019 to serve as a physician assistant to Dr. Scott Silverstein.
Prior to completing his physician assistant certification, Sean earned a degree in exercise science, where he gained experience evaluating musculoskeletal conditions. The combination of his academic work and hands-on experience gained as a medical assistant for OACM prior to beginning his graduate education, enables Sean to assist Dr. Silverstein in the evaluation and treatment of a variety of orthopaedic conditions.
In his personal time, Sean enjoys being outdoors, playing ice hockey, skiing, and traveling. As a Buffalo native, he is an avid fan of the Bills and Sabres.
Sean’s goal is to provide patients with great evaluations, explanations, and education, so that together the best treatment plan can be created, ensuring the highest quality of life.
- Bachelor of Science in Exercise Science, University at Buffalo, New York, 2015
- Master of Science in Physician Assistant Studies, Long Island University, New York, 2018
Aaron Shakespeare, PA-C
Aaron Shakespeare has been working with Dr. Sam Sydney since 2002. Prior to completing his physician assistant certification, he worked as an orthopaedic physical therapist. As a PT, Aaron gained a tremendous amount of experience evaluating and treating musculoskeletal conditions, which enables him to assist Dr. Sydney in the evaluation and treatment of a variety of orthopaedic issues and seamlessly guide patients through the rehabilitation expectations of their condition.
Aaron’s goal is to provide all patients with the highest level of communication and education to help them choose a treatment plan that will allow them the highest quality of life.
- Bachelor of Science in Rehabilitation, West Virginia Wesleyan College, 1994
- Bachelor of Science in Physical Therapy, West Virginia University, 1996
- PA Certification, Towson University/CCBC-Essex, 2002
Evan Taxin, PA-C
Evan Taxin joined the Orthopaedic Associates of Central Maryland family in 2020 to serve as a physician assistant to Dr. Khurram Pervaiz in treating conditions of the hand and upper extremities.
Before joining our practice, Evan earned a Bachelor’s degree in Kinesiology from Towson University. His passion for orthopaedic medicine grew during medical training at Eastern Virginia Medical School’s Master of Surgical Assistant program. It was also here where Evan earned the “Director’s Award,” recognizing his dedication to academic excellence and compassionate care in the operating room. He completed his physician assistant training at Philadelphia College of Osteopathic Medicine and has spent the last three years working as a physician assistant in Orthopaedic Surgery.
In his free time, Evan enjoys spending time outdoors with his family and French bulldog, exercising, and traveling. He is a native of the Philadelphia area and is an avid fan of the Flyers, Phillies, and Eagles.
Evan strives to provide each patient with the highest level of service through effective communication, education, and compassionate care.
- Bachelor of Science in Kinesiology, Towson University, 2008
- Master of Science in Surgical Assistant Studies, Eastern Virginia Medical School, 2014
- Master of Science in Physician Assistant Studies, Philadelphia College of Osteopathic Medicine, 2016
Kristin Thomas, PA-C
Kristin Thomas joined the Orthopaedic Associates of Central Maryland family in 2015 to serve as a physician assistant to Dr. Brian Polsky and Dr. Nicholas Grosso.
Prior to completing her physician assistant certification, Kristin earned a degree in athletic training, gaining an incredible amount of experience evaluating and treating sports-related musculoskeletal conditions on and off the field. This experience, along with her experience as an orthopaedic technician prior to her graduate education, allows Kristin to assist both Dr. Polsky and Dr. Grosso in the evaluation and treatment of a variety of orthopaedic conditions.
Kristin’s goal is to provide patients with the highest level of care, service, and education, as well as an effective treatment plan that will allow for the highest quality of life.
- Bachelor of Science in Athletic Training, University of Charleston, West Virginia, 2005
- Master of Science in Physician Assistant Studies, Towson University, Maryland, 2009