Walk-in Clinic
Acne, Rash, Mole, or another skin-related issue bothering you?
Want to see a dermatologist right away?
One of our 3 experienced, board-certified physician assistants will see you.
Walk-in or text: Memorial - 713-981-4444 or River Oaks - 713-333-1770
for same-day availability 9 AM-3 PM
Amanda Amster, MMSc, PA-C
Board-Certified Physician Assistant
Cheney Chang, PA-C
Board-Certified Physician Assistant
Heather Vinh, MPAS, PA-C
Board-Certified Physician Assistant
Amanda Amster, MMSc, PA-C
Board-Certified Physician Assistant
Amanda grew up in Atlanta, Georgia. She attended Tulane University in New Orleans, Louisiana, where she graduated with her Bachelor of Science. She went on to pursue her Master of Medical Science in Physician Assistant Studies from Yale University School of Medicine in New Haven, Connecticut.
Amanda is certified by the National Commission on Certification of Physician Assistants and licensed by the Texas Medical Board. She is a member of the Society of Dermatology Physician Assistants, The American Academy of Physician Assistants, and The Texas Academy of Physician Assistants.
When she is not working, Amanda enjoys traveling, baking, and spending time with friends and family, including her cavapoo, Franklin.
Heather Vinh, MPAS, PA-C
Board-Certified Physician Assistant
Heather loves helping people feel great in their skin. She enjoys assisting patients in achieving their skincare goals and is committed to the important practice of screening for and treating skin cancers.
At home, Heather loves to read, grab coffee, cook, enjoy a lake day, spend time with family, and enjoy some fighting Texas Aggie football.
Cheney Chang, PA-C
Board-Certified Physician Assistant
Originally from Minnesota, Cheney moved to Houston after attending the University of Wisconsin-Madison. Upon arriving, he worked as a clinical research coordinator at
MD Anderson Cancer Center.
During his time there, he wanted to be more involved with patient care, so he decided to pursue a Master of Science in physician assistant practice degree at Rosalind Franklin University of Medicine and Science in Chicago.
During his clinical rotations, he had a strong interest in dermatology and did a preceptorship with a dermatologist at the Great Lakes Naval Base.
Cheney is a Diplomate Fellow of the Society of Dermatology Physician Assistants and an NCCPA, nationally board-certified physician assistant.
He has 16 years of experience treating patients of all ages in all aspects of medical, surgical, and cosmetic dermatology.
Houston has been Cheney’s home for 21 years. He is excited to see patients in our Richmond and San Felipe offices. When he is not working, he enjoys spending time with his wife and 2 young children. In his spare time, he is an avid runner, traveler, and amateur photographer and enjoys finding good places to eat.