Your clinicians
Dr. Ha is trained and board-certified in the specialty of dermatology, including dermatologic surgery and pathology. Sara, Alexi, and Stephanie are experienced, certified physician assistants (PA-C), well-trained to treat patients of all ages, diagnose and address skin lesions, rashes, and acne, and perform most procedures within the scope of dermatology such as skin cancer screenings, cryotherapy of lesions, performing biopsies, and cosmetic services, including laser procedures, microneedling, and injectables such as botulinum toxin and fillers.
Questions?
Questions?
- We offer medical, surgical and cosmetic dermatology services.
- What are physician assistants?
Cuong T. Ha, MD
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Sara A. Azer, PA-C
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Alexi J. Hildreth, PA-C
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Stephanie L. Petruzzo, PA-C
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Click the names below to read more:
Cuong T. Ha, MD
A long-time native to northern Virginia, Cuong T. Ha, MD, graduated from the Thomas Jefferson High School for Science and Technology. He pursued his undergraduate degree as an Echols Scholar and subsequently completed his education in medicine as a “Double-Hoo,” a double graduate at the University of Virginia.
Dr. Ha trained in Dermatology at the Johns Hopkins University School of Medicine and served as Chief Resident in his last year. During his residency, Dr. Ha published articles on the subject of cutting-edge treatments of rare connective tissue and autoimmune skin diseases as well as novel techniques in dermatologic surgery. A consummate gadget-guy, he is always trying to incorporate the latest computer and medical technologies into his practice.
The culmination of his residency in Baltimore was a presentation at the Pediatric Dermatology Society meeting in Annapolis and participation in the annual conference in San Diego held by the National Psoriasis Foundation. Additionally, he was a key member of the Clinicopathologic Correlation panel of the 79th annual meeting of the Atlantic Dermatological Society. He is currently a part-time editor and contributor to the Johns Hopkins Dermatology Online Atlas, www.dermatlas.com, a compendium of high-quality digital images of dermatologic conditions for physicians and patients to share worldwide. Contributors range from the Baltimore-Washington corridor to physicians in every country where medicine is practiced.
Dr. Ha returned home to Virginia to apply the broad base of knowledge from Hopkins’ specialists. His wide-ranging clinical interests include the treatment of autoimmune blistering skin diseases, connective tissue diseases, skin cancers including melanoma, pediatric dermatology, and cosmetic and dermatologic surgery. The strengths of his skills are also based on a foundation molded by the best of Baltimore’s community dermatologists who volunteer their time and pass on their pearls of wisdom daily. Dr. Ha takes pride in providing quality, compassionate care for patients of all ages throughout northern and central Virginia. To date, Dr. Ha has performed over 16,000 surgical excisions and cosmetic reconstruction of skin cancers and tumors with over a 99% long-term cure rate.
Cuong and his wife, Carrie, have been friends since high school. She holds a Bachelor of Science degree in chemical engineering and a Masters’ degree in biomedical engineering. Her proudest achievement, however, is raising their sons Ethan and Everett, and princess Elise. Their first “child,” however, was the late Scooby the family Dane, a beloved pet-therapy dog. The latest addition to the family is Monty, the golden retriever, nicknamed after their favorite hero from The Princess Bride. Feel free to ask for the "Dogs" exam room during your visit if you have an appreciation for canines.
Dr. Ha trained in Dermatology at the Johns Hopkins University School of Medicine and served as Chief Resident in his last year. During his residency, Dr. Ha published articles on the subject of cutting-edge treatments of rare connective tissue and autoimmune skin diseases as well as novel techniques in dermatologic surgery. A consummate gadget-guy, he is always trying to incorporate the latest computer and medical technologies into his practice.
The culmination of his residency in Baltimore was a presentation at the Pediatric Dermatology Society meeting in Annapolis and participation in the annual conference in San Diego held by the National Psoriasis Foundation. Additionally, he was a key member of the Clinicopathologic Correlation panel of the 79th annual meeting of the Atlantic Dermatological Society. He is currently a part-time editor and contributor to the Johns Hopkins Dermatology Online Atlas, www.dermatlas.com, a compendium of high-quality digital images of dermatologic conditions for physicians and patients to share worldwide. Contributors range from the Baltimore-Washington corridor to physicians in every country where medicine is practiced.
Dr. Ha returned home to Virginia to apply the broad base of knowledge from Hopkins’ specialists. His wide-ranging clinical interests include the treatment of autoimmune blistering skin diseases, connective tissue diseases, skin cancers including melanoma, pediatric dermatology, and cosmetic and dermatologic surgery. The strengths of his skills are also based on a foundation molded by the best of Baltimore’s community dermatologists who volunteer their time and pass on their pearls of wisdom daily. Dr. Ha takes pride in providing quality, compassionate care for patients of all ages throughout northern and central Virginia. To date, Dr. Ha has performed over 16,000 surgical excisions and cosmetic reconstruction of skin cancers and tumors with over a 99% long-term cure rate.
Cuong and his wife, Carrie, have been friends since high school. She holds a Bachelor of Science degree in chemical engineering and a Masters’ degree in biomedical engineering. Her proudest achievement, however, is raising their sons Ethan and Everett, and princess Elise. Their first “child,” however, was the late Scooby the family Dane, a beloved pet-therapy dog. The latest addition to the family is Monty, the golden retriever, nicknamed after their favorite hero from The Princess Bride. Feel free to ask for the "Dogs" exam room during your visit if you have an appreciation for canines.
Sara A. Azer, PA-C
Sara Azer has called Gainesville, Virginia home for many years and is proud to serve her local community. She earned her Bachelor of Science in Biology from George Mason University before completing her Master of Physician Assistant Studies at Shenandoah University. Sara is passionate about building meaningful relationships with her patients and creating a welcoming environment where they feel comfortable, heard, and confident in their care.
With a strong interest in Dermatology, Sara is dedicated to providing thoughtful, evidence-based treatments tailored to her patient’s individual needs. She values taking a compassionate and detail-oriented approach to patient care, whether treating acne, addressing chronic skin conditions, performing skin cancer screenings, or helping patients feel more confident in their skin. Her previous experience as a medical assistant in Dermatology strengthened her passion for the field and deepened her appreciation for patient-centered care. Trained under the guidance of Dr. Ha, Sara is committed to providing high-quality dermatologic care that combines clinical excellence with a compassionate, patient-centered approach.
Outside of work, Sara enjoys spending time with family and friends, trying new restaurants and coffee shops, and traveling whenever she has the chance.
With a strong interest in Dermatology, Sara is dedicated to providing thoughtful, evidence-based treatments tailored to her patient’s individual needs. She values taking a compassionate and detail-oriented approach to patient care, whether treating acne, addressing chronic skin conditions, performing skin cancer screenings, or helping patients feel more confident in their skin. Her previous experience as a medical assistant in Dermatology strengthened her passion for the field and deepened her appreciation for patient-centered care. Trained under the guidance of Dr. Ha, Sara is committed to providing high-quality dermatologic care that combines clinical excellence with a compassionate, patient-centered approach.
Outside of work, Sara enjoys spending time with family and friends, trying new restaurants and coffee shops, and traveling whenever she has the chance.
Alexi J. Hildreth, PA-C
A Northern Virginia native, Alexi Hildreth grew up in Bristow and is proud to serve her local community at Prince William Dermatology. She earned her Bachelor of Science in Biology with a minor in Psychology from the University of South Carolina and went on to complete her Master of Physician Assistant Studies at High Point University. Alexi holds board certification from the National Commission on Certification of Physician Assistants.
Alexi values creating a comfortable, trusting environment for her patients. She takes a thoughtful, thorough approach to care—whether treating acne, eczema, or performing skin cancer screenings—so that each patient feels heard and confident in their treatment plan. Trained under the guidance of Dr. Ha, she is dedicated to providing high-quality dermatologic care that blends clinical precision with a personal touch.
Outside of work, Alexi enjoys spending time with family, playing pickleball, and being outdoors. Whether relaxing at the park or finding a new place to explore, she appreciates any chance to unwind and stay active.
Alexi values creating a comfortable, trusting environment for her patients. She takes a thoughtful, thorough approach to care—whether treating acne, eczema, or performing skin cancer screenings—so that each patient feels heard and confident in their treatment plan. Trained under the guidance of Dr. Ha, she is dedicated to providing high-quality dermatologic care that blends clinical precision with a personal touch.
Outside of work, Alexi enjoys spending time with family, playing pickleball, and being outdoors. Whether relaxing at the park or finding a new place to explore, she appreciates any chance to unwind and stay active.
STEPHANIE L. PETRUZZO, PA-C
Stephanie Petruzzo hails from Great Falls, Northern Virginia. She pursued her undergraduate degree in health sciences and nutrition at Purdue University and later obtained her Master of Science in Physician Assistant Studies from Radford University Carilion. Stephanie holds board certification from the National Commission on Certification of Physician Assistants.
Stephanie is committed to fostering healthy skin. Recognizing the emotional impact of skin diseases, she aims to provide evidence-based, empathetic care to each patient. Her expertise lies in conducting comprehensive skin exams, identifying elusive dermatological issues, and developing tailored treatment strategies.
During her free time, Stephanie takes pleasure in maintaining her fitness and reaching milestones in Peloton classes. She has a passion for travel, both within the U.S. and internationally, with a particular interest in savoring local dishes. Her travel highlights include visits to Italy, Greece, Dubai, and Vietnam. When not on the move, she and her fiancé enjoy indulging in their love for board games, often engaging in friendly competition with friends and family during game nights.
Stephanie is committed to fostering healthy skin. Recognizing the emotional impact of skin diseases, she aims to provide evidence-based, empathetic care to each patient. Her expertise lies in conducting comprehensive skin exams, identifying elusive dermatological issues, and developing tailored treatment strategies.
During her free time, Stephanie takes pleasure in maintaining her fitness and reaching milestones in Peloton classes. She has a passion for travel, both within the U.S. and internationally, with a particular interest in savoring local dishes. Her travel highlights include visits to Italy, Greece, Dubai, and Vietnam. When not on the move, she and her fiancé enjoy indulging in their love for board games, often engaging in friendly competition with friends and family during game nights.
