PentaHealth Colonial
Family Practice
217 Reeceville Rd, Suite A, Coatesville PA 19320
Phone: 610-269-9448
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Our Hours
7:30am –
4:30pm
7:30am –
5:30pm
7:00am –
5:30pm
7:30am –
5:30pm
7:00am –
4:00pm
Closed
Closed
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Our Walk-In Hours
Call for Same Day Sick and Acute Appointments
Call for Same Day Sick and Acute Appointments
Call for Same Day Sick and Acute Appointments
Call for Same Day Sick and Acute Appointments
Call for Same Day Sick and Acute Appointments
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Our Doctors
About Gene
Dr. Gene Uhler is from New Jersey where he was born ninth in a family of 11 children. During high school and college, he found that he enjoyed working with children and dedicated a lot of his time to church and camp ministries.
He attended Rutgers University where he studied biology and elementary education. While at Rutgers, Dr. Uhler became interested in medicine and went to medical school at the University of Medicine and Dentistry of New Jersey. He completed his training at the Somerset Medical Center Family Practice Residency Program in Somerville, New Jersey.
Family medicine has always been Dr. Uhler’s chief interest since he started medical school. He enjoys the opportunity to get to know the whole family and to be involved in continuing health care. During his residency, he was chairman of the Patient Education Committee and has a special interest in that aspect of family medicine, as well as pediatrics and preventive medicine.
Dr. Uhler resides in Downingtown with his wife Karen. He has five children and a growing number of grandchildren. Dr. Uhler enjoys nature study, fishing, camping and good books.
About Alpa
Dr. Alpa Vadher received her MD from Temple University School of Medicine in 1996 with honors and awards in Family Practice. She completed her residency at Hunterdon Medical Center in New Jersey and began her career with Colonial Family Practice in 1999.
She is Board Certified in Family Medicine and a member of the American Medical Association, Chester County Medical Society, Pennsylvania and the American Academy of Family Physicians. She has received America’s Best Physicians award in 2015 – 2025, MainLine Today Top Doctors award in 2018 – 2025, Castle Connolly Top Doctors award in 2023 – 2025, Exceptional Women In Medicine award for 2022, and Patient’s Choice award in 2009 – 2019.
She has been on the Board of Directors at PentaHealth formerly Gateway Medical Associates since 2014 and Chester County Hospital since 2021.
She enjoys taking care of the whole family doing comprehensive care with up to date medicine. She has 3 kids and in her spare time she enjoys traveling, dancing, photography, flower arranging, decorating, and keeping an active lifestyle.
About Marianne
Dr. Marianne Nikas received her medical degree in 1997 from Pennsylvania State University in Hershey, Pennsylvania, and finished her residency training at Chestnut Hill Hospital in 2000. Board Certified in Family Medicine, Dr. Nikas has special interests in preventive medicine, complementary medicine, women’s health, adolescent wellness, geriatric health and dermatologic/orthopedic procedures. Some of her best and most valuable experiences during her education occurred when she was volunteering for the Indian Health Service near Billings, Montana, and at the Good Shepherd Hospital in Swaziland in southern Africa.
Dr. Nikas grew up locally in Malvern and Hershey, and later attended Dartmouth College. She is married and is the mother of two children. In her spare time, Dr. Nikas enjoys spending time with her family, traveling, teaching Sunday School, performing music and skiing. She is very grateful to be working with such wonderful colleagues and staff at PentaHealth Colonial Family Practice formally Gateway Medical Associates since October 2002.
About Drew
Drew Rowan grew up in Newtown Square, PA and graduated from Malvern Prep high school in 2003, after which he attended Franklin and Marshall College in Lancaster. He graduated with a bachelor’s degree in Neuroscience and four years worth of fond memories of varsity swimming.
From Franklin and Marshall, Dr. Rowan moved to Drexel University where he completed his master’s degree in Medical Science. After receiving his degree, Dr. Rowan then attended Jefferson Medical College, from which he graduated in 2013.
Dr. Rowan completed his residency at Chestnut Hill Hospital in 2016, and is Board Certified in Family Practice. He is a strong proponent of preventative care including cancer screening and vaccination. He has a special interest in office procedures and pediatrics, as well as the management of diabetes and depression.
Outside of work Dr. Rowan enjoys reading, drinking tea, and trying to keep up with his children.
About Monika
Dr. Monika Kumanova is a Board-Certified Physician in Family Medicine and Obesity Medicine. She has more than 10 years of experience managing a broad spectrum of acute and chronic medical conditions in primary care. Her focus is on adult medicine with an interest in women’s health and lifestyle medicine.
Before joining PentaHealth Colonial Family Practice, she worked as a Physician at the University of Pennsylvania Medical Center and Tower Health. She has provided health care to veterans while at the VAMC.
Dr. Kumanova received her degree from the Medical University of Sofia – Bulgaria. She also has a degree in chemical engineering. Coming to the United States, she initially worked at the University of Pennsylvania School of Medicine and contributed to stem cell and cancer research. She completed her Family Medicine Residency training in New York at the Bronx – Lebanon Hospital Center.
Dr. Kumanova is passionate about primary care. She believes that many chronic medical conditions are preventable. Her goal is to help her patients achieve optimal health through disease prevention by adhering to a healthy and balanced lifestyle, nutrition, exercise, and mental health.
Dr. Kumanova lives with her husband in the beautiful Chester County and enjoys spending time with her family and friends. She loves traveling, arts, music, reading, and staying active. She is a member of the American Academy of Family Medicine, American Medical Association, and American Obesity Association.
About Susan
Susan M. Kohli earned her medical degree from the University of Pittsburgh in 2005. She graduated with honors from both The University of Rochester and The Eastman School of Music in 2001 where she earned bachelor degrees in chemistry and flute performance. She completed her internal medicine training at the University of Pittsburgh Medical Center which is ranked as one of America’s Best Hospitals by U.S. News and World Report. During her training, Dr. Kohli pursued an area of interest in women’s health. At UPMC, Dr. Kohli gave numerous lectures on topics such as pre-pregnancy counseling, depression, and gave medical Grand Rounds reviewing the latest developments in prostate cancer. She also achieved the honor of being chosen Chief Resident. She has won numerous awards for excellence in both teaching and patient care.
Dr. Kohli is board certified in Internal Medicine. She is a member of The American College of Physicians and was inducted to the Arnold P. Gold Humanism in Medicine Honor Society.
Dr. Kohli is a native of Berwyn, Pennsylvania and graduated from Conestoga Senor High School. In her spare time, she enjoys spending time with her family and friends, participating in the arts, and skiing. She currently resides in Malvern, PA with her husband, Drew Chronister, M.D. an ophthalmologist in Thorndale, and their four children.
About Erin
Erin Lender, CRNP joined PentaHealth formerly Gateway Medical Associates in 2018. She grew up in West Chester, PA and received both her Bachelor’s and Master’s degrees in Nursing from Thomas Jefferson University in Philadelphia. Prior to becoming a Family Nurse Practitioner, Erin worked as a bedside nurse at The Children’s Hospital of Philadelphia in the Neonatal Intensive Care Unit and at the Reading Hospital on the Stroke Unit.
Erin enjoys working with patients of all ages and has a passion for health promotion, illness prevention, and physical and mental wellness. In her spare time, Erin likes to unwind with yoga and reading. She has an extensive collection of board games and is known by friends and family as “The Game Master”. She lives in Downingtown with her husband and twin stepsons.
About Denise
Denise started with PentaHealth formally Gateway Medical Associates in August of 2017. Post High School she served in the Navy for six years. She received her Bachelors of Science in Nursing from the University of Maryland, Baltimore. After graduation, she worked as a labor and delivery nurse for 15 years. She returned to school in 2012 and earned her Graduate degree and Family Nurse Practitioner Certification from Widener University.
Prior to joining PentaHealth, Denise worked at Honey Brook Family Practice, Tel Hai, Hickory House, and St Martha’s skilled rehabilitation facilities. When Denise is not busy seeing patients, she enjoys hiking, trail running and spending time with her four kids.
