Our Providers

Amisha Parekh, MD, MPH, FACEP

Dr. Parekh graduated from medical school in 2007 and completed residency training at the New York Methodist Hospital in Brooklyn, NY. Dr. Parekh is a Fellow of the American College of Emergency Physicians and has been Board Certified since 2013. She has completed training in Advanced Cardiac Life Support, Advanced Trauma Life Support, and Pediatric Advanced Life Support. In addition to her medical training, Dr. Parekh has also completed a Masters of Public Health at the Medical College of Ohio. She is an Assistant Professor at the Weill Cornell Medical Center and is available for consultation at the clinic for both urgent and primary care matters. She is licensed to practice medicine in Oregon, Washington, and New York. Dr. Parekh continues to practice full time in an Emergency Department setting.

Robert Birkhahn, MD, FACEP, AAFP

Dr. Birkhahn is an active member of the American Academy of Family Physicians and a Fellow in the American College of Emergency Physicians. Dr. Birkhahn graduated from the University of Cincinnati, completed residency training at the New York Methodist Hospital in Brooklyn, NY and received his Masters from Cornell University in Clinical Epidemiology and Health Services Research. He is Board Certified by ABEM and has been trained in Advanced Cardiac Life Support, Advanced Trauma Life Support, and Pediatric Advanced Life Support. Dr. Birkhahn is a Professor at the Weill Cornell Medical Center in New York and has produced more than 70 peer-reviewed publications, conducted more than 50 clinical research trials, and still actively teaches medical students, paramedics, residency candidates and clinical fellows. In his spare time Dr. Birkhahn volunteers as a Primary Care Physician providing free medical care at the Southwest Community Health Center in Hillsboro.

In loving memory of Stacey Bzowy, ND

It is with great sadness that we inform you of the passing of Dr. Stacey Bzowy. Her death was unexpected, and we know that you as her patients grieve her loss just as we all do at the Pearl Health Center.

Dr. Bzowy will be missed dearly. We remember her for the spirit she brought to the clinic and the compassionate care that she provided to all of her patients. Dr. Bzowy was an avid dog lover and is survived by her fur baby, Violet. Our thoughts are with her friends and family during this difficult time.

Elliot Taxman ND, MS, Assitant Medical Director

Dr. Elliot Taxman is a licensed naturopathic physician. He completed a three-year CNME accredited residency in primary care. He graduated with honors from NUNM in 2017 with a Doctorate in Naturopathic Medicine and a Masters of Science in Integrative Medicine Research. His masters’ thesis, Conceptualizing Integrative Medicine: A Qualitative Study Using Focus Groups, provided further insight into healthcare and clinical practice. As a student, he was the president of the Student Alliance for Integrative Medicine, where he worked to foster an integrative medical community in Portland. He has a passion for clinical integrative primary care and family practice.

Dr. Taxman has completed several integrative rotations, globally and locally, in multiple hospitals and private clinical settings. He draws on this experience to develop individualized and evidence-informed treatment plans for every patient. Dr. Taxman is excited to continue to help make modern naturopathic primary care more available to the community.

Outside of the clinic, Dr. Taxman is an avid sports fan and enjoys being active outdoors, at the gym, or playing ice hocky, tennis, paddle boarding, traveling, exploring the arts, cooking, and spending time with his lovely wife and friends.

Darren Brooks, L.Ac

Darren is a licensed and national board certified acupuncturist with many years experience helping patients of all ages with their healing process. His training encompasses a number of classical healing practices, including teaching classical meditation and therapeutic exercises.

Darren encourages an integrative medicine approach, where a patient has support from all their practitioners to achieve optimal health and wellness in body and mind. Acupuncture treatments are a wonderful way to assist in the care of a wide variety of conditions and to help healing of the whole person.

Jeremy Adversalo, LPC

Jeremy is a licensed professional counseling (LPC), and received his Master of Arts in Counseling Psychology from Pacific University. Jeremy has provided mental health services for a wide range of individuals, including those impacted by depression, anxiety, trauma, loss, substance use, and challenging life transitions. Jeremy believes it is important for mental health treatment to be tailored to our clients’ wants and needs. Through this collaborative process, clients are able to identify their own personal goals, and begin to develop a meaningful and fulfilling life. When Jeremy is not working, he enjoys spending time with his wife, playing fetch with his dog, riding his bike, and going to music concerts.

Meghan Sperandeo, ND

Dr. Meghan Sperandeo is a board certified naturopathic physician. She received her doctorate with High Honors designation from the National University of Natural Medicine in 2013 and completed a competitive 2 year teaching residency with a focus in primary care. In addition to her primary care practice, Dr. Sperandeo spent 4.5 years working in outpatient clinical urology providing integrative care for various women’s and men’s urologic complaints. She has continued to teach medical students at NUNM as a clinical supervisor and co-professor of Urology, Endocrinology, and Geriatrics.

Dr. Sperandeo has contributed to publications related to opioid stewardship in urology and the role of naturopathic physicians in shared vaccine decision making. She was honored to present on the topic of CAM strategies for urologic pain at a Quality Improvement Summit for the American Urological Association.

Dr. Sperandeo’s areas of focus include integrative primary care, women’s health, pelvic and urologic health.

In her spare time, Dr. Sperandeo enjoys being outdoors, hiking, biking, practicing yoga, cooking, and spending time with her family and friends.

Brittany Deely, CSWA

Brittany is a CSWA with their Masters in social work from Simmons University.  Brittany recently moved to Portland from Massachusetts where they worked with adolescents and adults both one-on-one and in a group setting. They have extensive experience working with clients who have experienced or are currently experiencing chronic illness, homelessness, addiction, and trauma. Their clinical interests also include working with LGBTQIA+ individuals. Brittany believes therapy  is a collaborative approach and prides themself on their client/centered, strengths-based therapy approach. 

When Brittany is not at the Pearl Health Center they are busy exploring PDX with their partner (Abby) and adopted rescue dog (Bug)! Brittany also enjoys reading, coloring, and gluten-free baking!

David Walker, FNP

David Walker is a board certified Family Nurse Practitioner who graduated from Washington State University with a Master’s in of Nursing Science. He started his career in nursing as an RN at Portland Providence Medical Center after graduating from Mt Hood Community College in 2004. David is an original member of the Multnomah Medical Reserve Corp. He also serves as President of Humaucracy non-profit corp, which is dedicated to brining universal healthcare innovation to the people. David’s PCP practice is based on open communication delivered via a compassionate collaborative approach that empowers people to be the captains of their own health. He enjoys working with people from all walks of life, with diverse points of views, together tailoring care plans to optimizing each individual’s health lifes. David has had much success helping people achieve goals such as healthy weight loss. He is looking forward to partnering with you to reduce the burden of obesity and other chronic diseases have on your quality of life. He hopes as a member of the Pearl Health Center’s primary care team to assist you in achieving a healthier happier life while providing the caring support of a dedicated health care professional.