Hours & Information

Immediate Care, Walk In - No appointment necessary:
Open seven days a week
Monday-Friday 8:00 a.m. - 8:00 p.m.
Saturday-Sunday 9:00 a.m. - 5:00 p.m.
Primary Care - by appointment:
Monday-Friday 8:00 a.m. - 5:00 p.m.
Open from 9:00 a.m. - 5:00 p.m. on:
Easter Sunday, July 4th, Labor Day, New Year's Day
Open from 9:00 a.m. - 2:00 p.m. on:
Memorial Day
Closed on:
Christmas Day, Thanksgiving Day
For Information Call :
Office Number : 703- 450-1125
Fax Number : 703-450-1145

Influenza will make its annual appearance this fall and winter, be sure to immunize your family beginning October 15th by visiting our office.
Available for everyone 6 months and older.

October is National Breast Cancer Awareness Month.

Providers & Staff

Providers :

Jeffrey MartinDr. Jeffrey Martin
Board Certified Family Physician

Dr. Martin is a board-certified family medicine doctor. He grew up in Annandale, Virginia where he attended Thomas Jefferson High School for Science and Technology. He received a bachelor of science degree in mechanical engineering at the University of Virginia, and he completed medical school at the Medical College of Virginia. Dr. Martin did his residency at the University of Virginia Family Medicine Program. Following residency, he worked as a volunteer doctor in Nepal for one year at a rural mission hospital. After Nepal, Dr. Martin moved back to Charlottesville, Virginia where he worked at First Med Urgent Care Center and as the Medical Director for the Albemarle Charlottesville Regional Jail. During his time in Charlottesville, he also completed a Faculty Development Fellowship at the University of Virginia Family Medicine Program. Dr. Martin joined LMG as Lead Physician of the Primary and Immediate Care Center in July 2008.


Ralph LeonDr. Ralph Leon
Board Certified Family Physician

Dr. Ralph Leon has joined the Loudoun Medical Group Primary & Immediate Care Center!  A Board-Certified Family Medicine physician, Dr. Leon has practiced in the Loudoun community with Loudoun Medical Group for 9 years, most recently with Sterling Family Practice.  Upon earning his medical degree at the University of South Florida College of Medicine, Dr. Leon completed his Family Medicine residency at Franklin Square Hospital in Baltimore.  Dr. Leon, who previously practiced in Florida for over 10 years before moving to Virginia, is fluent in Spanish and maintains a professional interest in natural family planning.  We welcome Dr. Leon to our team, and he looks forward to serving you.



Erin CollierErin Collier
Board Certified Family Nurse Practitioner

Erin Collier, RN, MSN, FNP-BC, functions as a Family Nurse Practitioner at the LMG Primary & Immediate Care Center.  In this role, she is responsible for acute, chronic, and preventive care measures for a diverse patient population, from infants through the elderly.  She functions both in the primary care setting, as well as the urgent care services provided by the clinic.  Ms. Collier received a Bachelor of Science in Biology from the University of Arkansas in 2004 before refining her career goals to nursing and receiving a Bachelor of Science in Nursing from Loyola University in Chicago in 2006 and a Master of Science in Nursing from Georgetown University in 2009.  She has been credentialed as a Family Nurse Practitioner through the American Nurses Credentialing Center (ANCC) since 2010 and joined the LMG Primary & Immediate Care Center in 2013.


Our Staff :

Carol Czerniec
Patient Service Representative

Mansi Gandhi
Patient Service Representative

Jorge Manzana
Certified X-Ray Technician, Certified Orthopedic Technician

Edith Nohloth
Medical Assistant

Madelyn Portillo
Medical Assistant

AJ Samsor
Clinical Nurse Supervisor

Sherry Walters
Office Manager

Macy Weaver
Patient Service Representative