Laboratory services
Most laboratory blood draws and specimen collections can be performed during your appointment. Our lab drawing and processing is exclusively for our own patients. To ensure accuracy, we are unable to process orders written by other doctors for laboratory services or blood draws. We thank you for your understanding.
NOTE: Lab work is drawn at time of office visit or on a separate appointment.
Serving Herndon for nearly 40 years, our physician-owned practice provides comprehensive preventive care from an award-winning team of board-certified physicians and nurse practitioners – many of whom live right here in our community. Our office is located on the side of the 381 Elden St. building in suite #1000.
With a philosophy centered on compassion and partnerships, we treat each patient as an individual, not just a case, ensuring care that prioritizes your wellbeing. At Herndon Family Medicine, we’re more than healthcare providers; we’re your partners in building healthier, happier lives.
Herndon Family Medicine is a founding member of Fairfax Family Practice Centers, a trusted healthcare partner for communities across Northern Virginia since 1971. We deliver high-quality, holistic care tailored to each patient’s needs, supporting every family member from newborns to seniors.
Hours
Monday – Friday:
7 AM – 5 PM
Saturday (urgent care):
9 AM – 12 PM
Sunday:
CLOSED
Address
381 Elden St, #1000
Herndon, VA 20170
Get Directions
Primary Care
Fax
571-472-6520
Dr. Rachel Choi Bak is a board-certified family medicine physician with a passion for providing comprehensive, compassionate care across all stages of life. She focuses on long-term health and preventative medicine and partners with her patients to support their physical and emotional well-being.
After earning her medical degree from George Washington School of Medicine and Health Sciences, Dr. Bak completed residency training in family medicine at Fairfax Family Practice Centers. During her training, she gained broad clinical expertise in pediatrics, adult medicine, geriatrics, women’s health, acute and chronic disease management.
Dr. Bak is committed to building long-lasting relationships with patients and guiding them through their healthcare journey, from routine checkups and immunizations to management of complex health conditions.
Dr. Bak is well known to her patients for her approachable style, taking the time to listen, educate, and work collaboratively to develop personalized care plans.
Medical School: George Washington University School of Medicine & Health Sciences
Residency: Virginia Commonwealth University, Fairfax Family Practice. Training Specialty: Family Medicine, 7/1/2017 – 6/30/2020.
Dr. Casal-Roscum is a board-certified family medicine physician dedicated to providing holistic, compassionate care to help her patients achieve their health goals.
After growing up in the DMV, she moved to New York to study linguistics at Bard College and had a career in cognitive neuroscience research before pivoting to medicine. While at New York Medical College, she chose to pursue family medicine to best serve her community. Her interests within the field include geriatrics, mental health, and medical ethics.
Dr. Casal-Roscum is devoted to helping seniors enjoy their older years via preventative care and excellent management of chronic conditions. She strives to support patients and their families through the aging process.
In her free time, she loves spending time outdoors, reading, traveling, and trying new restaurants.
Medical School: New York Medical College
Residency: Inova Fairfax Hospital. Training Specialty: Family Medicine, 7/1/2021 – 6/30/2024
Alastair Brown, a Richmond native, began her journey in the physical therapy field at Bridgewater College where she earned her bachelors in Health and Exercise Science. After working as a physical therapy technician and certified personal trainer for several years following graduation, she decided to further her education and attended NVCC where she earned her license as a Physical Therapist Assistant.
Alastair has years of experience in outpatient and assisted living settings with a passion for treating orthopedics and vestibular dysfunction.
In her free time, Alastair enjoys spending time with her husband, their two sons, and their dog. She is an avid Steelers fan and enjoys participating in equestrian sports.
Jason A. Cooper, MD is a board-certified family medicine physician with nearly 30 years of experience, dedicated to providing compassionate, comprehensive care to patients of all ages in Herndon, Virginia. Since joining Herndon Family Medicine in 1998, Dr. Cooper has been recognized for his clinical excellence and patient-centered approach, earning multiple accolades, including being named a “Top Doctor” by Washingtonian and Northern Virginia magazines numerous times.
Dr. Cooper graduated magna cum laude and Phi Beta Kappa from Brandeis University in 1991. He earned his medical degree cum laude from the University of Maryland School of Medicine in 1995, where he was inducted into the Alpha Omega Alpha Honor Medical Society. He completed his residency in family medicine at Fairfax Family Practice Centers, serving as Academic Chief Resident from 1997 to 1998.
Dr. Cooper’s dedication to patient care is evident in his attentive bedside manner and commitment to spending quality time with each patient. His approach has garnered high praise from patients, who appreciate his thoughtful, individualized care.
Beyond his traditional medical practice, Dr. Cooper is passionate about integrative health. He was certified in mind-body medicine through The Center for Mind-Body Medicine in 2021 and became an Usui Reiki Master Practitioner in May 2024. In 2023, he founded Mind Body Healing Arts, LLC, to offer holistic services that promote self-care and well-being. In addition to facilitating virtual eight-week mindfulness skills group sessions, Dr. Cooper also sees individual clients in person on Fridays, teaching techniques to reduce stress and anxiety, enhance performance, and increase joy. He has also provided mindfulness coaching to Inova family medicine residents, adults, adolescents, and high school athletic teams.
Outside the office, Dr. Cooper enjoys hiking, traveling, meditating, and spending time with his wife, his two shih tzus, and two adult sons.
Awards/Associations:
Medical School: University of Maryland Medical System
Residency: Virginia Commonwealth University, Fairfax Family Practice. Training Specialty: Family Medicine, 7/1/1996 – 6/30/1998.
Michelle Hewlett is a certified Family Nurse Practitioner committed to delivering holistic, patient-centered care to individuals and families of all ages. Known for her patient-centered approach, Michelle focuses on empowering patients through education and preventive care. She believes in fostering long-term relationships with families.
Michelle Hewlett earned her Bachelor of Science in Nursing (BSN) from George Mason University in 2019 and completed advanced training with a Master of Science in Nursing (MSN) from James Madison University in 2023, specializing in family practice. She is certified by the American Academy of Nurse Practitioners Certification Board (AANPCB).
She provides comprehensive primary care services including annual physical, well-child visits, chronic disease management (e.g. diabetes, hypertension, asthma), women’s health exams, minor procedures, and urgent care for common illnesses and injuries.
Outside of clinical work, she enjoys spending time with her husband and 4 children, running on the W&OD trail, and getting some R&R at Rehoboth Beach, DE.
Awards/Associations:
Professional Education: James Madison University, MSN, 2023
Dr. Hwang is a board-certified family medicine physician with a passion for providing comprehensive, compassionate care to individuals and families across all stages of life. With a focus on long-term health and preventive medicine, Dr. Hwang partners with patients to support their physical, emotional, and social well-being.
After earning her medical degree from VCU’s Medical College of Virginia, Dr. Hwqng completed residency training in family medicine at Chesterfield Family Medicine, where she gained broad clinical experience in pediatrics, adult medicine, geriatrics, women’s health, and chronic disease management.
Dr. Hwang is committed to building lasting relationships with patients and guiding them through every aspect of their healthcare journey—from routine checkups and immunizations to the management of complex health conditions such as diabetes, hypertension, asthma, and depression. She is especially interested in preventive care, mental health, women’s health, and obesity medicine. She is also certified in Nexplanon insertions, removals, and replacements.
Known for her approachable and patient-centered style, Dr. Hwang takes the time to listen, educate, and work collaboratively with patients to develop personalized care plans that align with their goals and lifestyle.
Outside of the clinic, Dr. Hwang enjoys spending time with her husband, 2 young sons, and pet Maltese. She is an avid baker and crafter (crochet, knitting, Cricut-ing, etc), and enjoys playing strategic/obscure board games.
Board Certification:
American Board of Family Medicine (ABFM)
Professional Affiliations:
• American Academy of Family Physicians (AAFP)
• The Obesity Society (TOS)
Languages Spoken:
English, conversational Spanish
Medical School:
Virginia Commonwealth University School of Medicine
Residency:
Virginia Commonwealth University School of Medicine. Training Specialty: Family Medicine, 7/1/2014 – 6/30/2017.
Deborah Leavens joined Herndon Family Medicine in 1986 as one of the three founding physicians. She is a native of Northern Virginia and graduated from the University of Virginia in 1975 and The Medical College of Virginia/Virginia Commonwealth University in 1979. She did her Family Medicine residency at Fairfax Family Practice Centers, at that time located in Vienna, Virginia. After residency, she joined the Army, serving four years in various locations in Germany. After her service, she returned to Northern Virginia and has been with Herndon Family Medicine since that time. She enjoys reading, hiking, gardening, toy poodles, and is active in her church.
Medical School: Virginia Commonwealth University School of Medicine
Residency: Virginia Commonwealth University, Inova Fairfax Hospital. Training Specialty: Family Medicine, 7/1979 – 6/1982.
Dr. Kevin Lee is a board-certified family medicine physician who believes in the concept of the old-school family doc. He believes in getting to know his patients and their families and providing more personalized care based on a deeper collaborative relationship.
He grew up a military brat and has lived all around the world, however, he has called Fairfax, VA his home for the majority of his life.
His education is as follows:
He completed his residency in Family Medicine at Fairfax Family Practice and has been with Herndon Family Medicine since 2012.
Dr. Lee specializes in the full scope of family medicine with particular emphasis on pediatrics and taking care of the whole family. He also has a heart for taking care of our veterans, as he is the child of a retired Army Warrant Officer and served as an Armor Officer in the United States Army.
He is married with 3 young kids and is active in his church community. When he is not at work, he is usually involved with his kids and likely traveling to a lacrosse tournament or cheer competition.
Dr. Lee is a native Korean speaker and is able to speak conversational Spanish.
Dr. Li is a board-certified family physician committed to providing compassionate, comprehensive care to patients of all ages. Born and raised in Hunan, China, Dr. Li moved to the United States at age 16 and attended McLean High School before completing both her undergraduate and medical education at the University of Virginia. She completed her residency training at Fairfax Family Medicine and has been practicing at Herndon Family Medicine since 2021.
Drawn to the continuity of care and the opportunity to build lasting relationships with patients, Dr. Li chose family medicine to make a meaningful impact across all stages of life. She emphasizes shared decision-making and practices evidence-based medicine to ensure each patient receives care that aligns with their values and the latest clinical guidelines. Her approach focuses on preventive care, patient education, and personalized treatment plans in a supportive environment. Patients often describe Dr. Li as a good listener who takes time to explain things clearly and is thoughtful and detail-oriented in her care.
Outside of medicine, Dr. Li enjoys going on walks, traveling, watching movies, and knitting.
Dr. Lundgren is a board-certified family medicine physician with a passion for providing comprehensive, compassionate care to individuals and families across all stages and phases of life. With a focus on long-term health and preventive medicine, Dr. Lundgren partners closely with her patients to support their physical, emotional, and social well-being.
After earning her medical degree from Virginia Commonwealth University School of Medicine, Dr. Lundgren completed residency training in family medicine at Fairfax Family Medicine Residency Program, where she gained broad clinical experience in pediatrics, adult medicine, geriatrics, women’s health, and chronic disease management.
Dr. Lundgren is committed to building lasting, authentic relationships with patients and guiding them through every aspect of their healthcare journey—from routine checkups and immunizations to the management of complex health conditions such as diabetes, hypertension, asthma, and depression. She is especially interested in preventive care and long-term health, and she is passionate about mental health and women’s health.
Known for her approachable, patient-centered style and thoroughness, Dr. Lundgren takes the time to listen, educate, and work collaboratively with patients to develop personalized care plans that align with their goals and lifestyle.
Outside of the clinic, Dr. Lundgren enjoys spending quality time with her husband, her son, and her extended family as well as traveling, cooking, staying active.
Awards/Associations:
Board Certification:
American Board of Family Medicine (ABFM)
Professional Affiliations:
American Academy of Family Physicians (AAFP)
Medical School:
Virginia Commonwealth University School of Medicine
Residency:
Fairfax Family Practice. Training Specialty: Family Medicine, 7/1/2021 – 6/30/2024.
Dr. Anita Rentz is a board certified Family Medicine physician. She joined Fairfax Family Practice Centers in 1995 and has been with the Herndon Family Medicine office since 2001.
Dr. Rentz is very passionate about women’s health issues and also particularly enjoys caring for children and young adults.
Dr. Rentz is married with three children and one Golden Retriever and two rescue cats. She enjoys spending time with her family, traveling, and church activities. She is a HUGE Duke Basketball fan – LET’S GO DUKE! and also a passionate USNA fan – GO NAVY! BEAT ARMY!
Undergraduate:
University of Maryland
B.S. Biology
1984-1988
Medical School:
Virginia Commonwealth University School of Medicine
MD
1988-1992
Residency:
Carolinas Medical Center, Family Medicine, 1992-1995
Po is a local native, born and raised in Alexandria, Virginia. She attended the University of Virginia for her undergraduate degree in nursing. She worked as a Labor & Delivery nurse for several years prior to obtaining her Master’s Degree in Nursing at Johns Hopkins University.
Po’s areas of medical interest are primary care and women’s health, along with providing care for the LGBTQ+ community.
She resides in Arlington, Virginia, with her husband, two sons, and Yorkie terrier. She enjoys reading, baking, and hiking.
Professional Education: Johns Hopkins University, FNP, 2008
Dr. Richard Uribe is a board-certified and fellowship-trained primary care sports medicine physician, specializing in the prevention, diagnosis, and non-surgical treatment of musculoskeletal injuries and conditions. With a strong background in family medicine, Dr. Uribe is dedicated to helping patients of all ages and activity levels—from elite athletes to weekend warriors—return to peak performance.
Dr. Uribe earned his medical degree from University of North Carolina at Chapel Hill and completed residency training at Inova-VCU Fairfax Family Practice. He pursued a fellowship in sports medicine at VCU-Bon Secours Mercy Health in Richmond, VA, where he gained advanced expertise in the management of acute and chronic sports-related injuries, concussion care, ultrasound-guided procedures, and injury prevention strategies.
In practice, Dr. Uribe’s areas of expertise include:
He has a particular interest in:
Dr. Uribe is also actively involved in the athletic community, serving as a team physician for Herndon High School and participating in outreach programs to promote healthy, active lifestyles. He believes in a patient-centered approach, emphasizing education, collaboration, and personalized treatment plans tailored to each individual’s goals.
Outside of medicine, Dr. Uribe spends time hiking, reading, and traveling with his wife. He also enjoys attending various sporting events in the area and staying physically active.
Memberships/Accreditations:
Medical School: University of North Carolina School of Medicine
Residency: Virginia Commonwealth University Health System, Training Specialty: Family Medicine, 7/01/2017 – 6/30/2020
Fellowship: Bon Secours Richmond Health System. Training Specialty: Sports Medicine, 7/01/2020 – 6/30/202.
Dr Wong is a board-certified Family Medicine physician with a passion for providing comprehensive, compassionate care for individuals and families across all stages of life.
After earning his Medical Degree from Virginia Commonwealth University (Medical College of Virginia), Dr Wong completed residency training in Family Medicine at Fairfax Family Practice, where he gained broad clinical experience in Pediatrics, Adult Medicine, Geriatrics, Women’s Health, and Chronic disease management.
Dr Wong is committed to building lasting relationships with patients and their families, guiding through every aspect of their healthcare journey from routine checkups to management of complex health conditions such as Diabetes, Hypertension, Asthma and Depression. He is especially interested in the area of Men’s Health.
Outside of the clinic, Dr Wong enjoys travel and cooking.
Board Certification:
American Board of Family Medicine (ABFM)
Professional Affiliations:
American Academy of Family Physicians
Languages Spoken:
English, Cantonese Chinese
Medical School:
Virginia Commonwealth University School of Medicine
Residency:
Virginia Commonwealth University, Fairfax Family Practice. Training, specialty: Family Medicine, 7/1/1998 – 6/30/2001.
Gwen Chu is a licensed physical therapist and has been practicing since 2007.
Gwen received her master’s in physical therapy from George Washington University in Washington, DC, in 2007 and shortly after received her doctorate in physical therapy from Boston University. Gwen specializes in general outpatient orthopedics and is certified in manual therapy, functional dry needling and the Graston Technique.
Gwen believes in treating the patient as a whole by focusing on the root cause of the dysfunction, rather than just the symptoms, to yield long-lasting results. Gwen continues to pursue continuing education and advanced certifications to provide the best evidence-based practice.
Andrew Pho is a licensed physical therapist and has been practicing since 2013.
Since joining Herndon Family Medicine in 2013, Andrew Pho continues to assist and facilitate patients to reach their maximum rehabilitation potential, through evidence-based medicine and compassionate care. He believes in integrating manual therapy with therapeutic exercise and activities.
Andrew graduated from George Mason University with a BS in Biology and received his Doctorate in Physical Therapy at New York Medical College. Andrew is certified in Fascial Movement taping and Level 1 Functional Dry Needling.
Sports Physical vs. Annual Physical: What’s the Difference? On the surface, it’s easy to assume sports physicals and annual physicals are the same thing. They both assess your physicality and health, but these
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