Medical Services

Our highly qualified professionals bring a variety of skills, experiences and specialties to our Center. Our team members include physicians who are board certified in Family and Internal Medicine MDs, Pediatric MDs, Family Nurse Practitioners, and Physician Assistants, in addition to certified Medical Assistants. All of our professional’s work in a team environment, serving patients of all ages and medical backgrounds and ensuring that we meet each patient’s individual needs. As a patient at the Center, we want you to feel that you are being treated with exceptional care, compassion and professionalism.

  • Wellness visits
  • Women's Health
  • Sick Visits
  • Physicals (School, Job, Sports, Wellness)
  • Immunizations
  • Disease Screening
  • Chronic Disease Management (Diabetes, Hypertension etc.)
  • Cancer Screenings (Breast Cancer, Colon Cancer, Cervical Cancer)
  • Specialist Referrals
  • Patient Education
  • On-site Lab service (Lab Corp, Quest, Alpha-Genetic Testing)
  • Pharmacy Services
  • Pharmacy Assistance Program
  • Preventive Health
  • Accredited Patient Centered Medical Home (PCMH)
    (Quality team supporting UDS, Meaningful Use, HEDIS and HRSA measures creating a patient centered team base care.)

Meet Our Providers

Dr. Rashid Mohiuddin

​Dr. Rashid Mohiuddin
Medical Director

Dr. Rashid Mohiuddin, Board Certified Family Physician serves as the Medical Director, overseeing all aspects of patient care and chair of Quality improvement/Quality assurance committee. Dr. Mohiuddin has completed his Medical school from India.  He has worked in various countries and worked in FQHC for over 11 years.

Dr. Mohiuddin completed his residency in Family Medicine at Howard University. He has over 17 years of experience and is a fellow of the American Academy of Family Physicians. He has been working as a Medical Director at GPW Health Center since 2009. He speaks Urdu and Hindi fluently. During his free time he enjoys playing sports and traveling.

Syed Mahboob, MD 

Dr. Syed Mahboob, MD was born in Pakistan where he completed Medical School from Dow Medical University of Health Sciences. He completed his Family Medicine training from Howard University, Washington DC during which he was awarded the honor of Educational Chief Resident for the Residency Program.

After completing his residency he continued his fellowship in Geriatrics at Emory School of Medicine in Atlanta, GA. After working as a Geriatrician he joined the center in 2015 where he’s worked full time at the Manassas location as a primary care physician.

In his spare time he enjoys outdoor activities such as running, biking, and hiking as well as playing chess and poker. He is also a big fan of the latest Hollywood Movies.

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Lena Tran
Physician Assistant

Lena Tran graduated from Howard University, where she was on the Dean’s List.  She has been practicing as a Physician Assistant in family medicine and urgent care setting for more than the past 7 years.  She believes in patient education, preventative care, in-depth evaluation and treatment. She enjoys building long-term relationships with her patients. Her goal is to provide quality, comprehensive, and compassionate medical care. She is fluent in Vietnamese.  

Lena Tran enjoys traveling to new places, exploring different cultures, and spending times with her family.


Anh Pham
Physician Assistant

Anh Pham received her Undergraduate Degree in Biology from George Mason University. Upon completion of her study at Howard University in 2011 and Board Certification as a Physician Assistant, she began working at Gastroenterology Associates of Fredericksburg. She joined the GPW Health Center in 2016.

In her free time, she enjoys traveling and spending quality time with her husband, daughter, and son.

Katie Kotopoulos
Family Nurse Practitioner

Katie Kotopoulos is a Family Nurse Practitioner. She sees adults and children from age newborn to 100. Her undergraduate degree is from The University of Virginia. She then received a second bachelors degree in Nursing from The Johns Hopkins University and then received a Masters in Nursing from Georgetown University in 2003. She has worked at Georgetown University Medical Center and at the United States Embassy in Dhaka, Bangladesh. She lived, worked and travelled for 7 years in Africa and Asia before joining the Center in 2015.

When Katie is not at work, she enjoys reading, running and spending time with her husband and 4 sons.

​Alma Tobar
Family Nurse Practitioner

Mrs. Tobar is a board certified family Nurse Practitioner who joined GPW Health Center in 2018. Ms. Tobar received her Master's Degree from University of Turabo in Miramar, Florida. Prior to The Center, she has worked in Internal Medicine Practice Group in Falls Church and Alexandria, VA.

She is fluent is Spanish and English. She is a member of the American Association of Nurse Practitioners