Onion Creek


2201 Onion Creek Parkway
Austin, Texas 78747

phone: (512) 649-3376
fax: (512) 572-5192



Our office is located at the southeast intersection of Onion Creek Parkway and the frontage road of IH 35, approximately 9 miles south of Lady Bird Lake and downtown Austin. Our Onion Creek location is ideal for serving the areas of South, Central and East Austin, as well as Kyle, Buda, Lockhart, and San Marcos.



Our Onion Creek location accepts many popular medical insurance plans including Medicare. Please check with your insurance company for your plan’s requirements and coverage. For a complete list of insurance plans accepted at this location click here.


Onion Creek Clinic – Patient Testimonials

  • “Great experience! Y’all all made me feel so comfortable:)” — Alison M. (December 29, 2022)
  • “The atmosphere was very pleasant, professional. Dr. Dietert was thorough, knowledgeable, encouraging and she was a good listener. I feel that I am in good hands . I do not have to be persuaded to return for follow up care.” — Ethel S. (December 28, 2022)
  • “Everyone is GREAT….. Wonderful Attitude….Top Notch….. My wife and I drive from Corpus because of the Doctors, Staff and service !” — Garry H. (December 14, 2022)
  • “Everyone at the Onion Creek location is wonderful and so professional! I always have an excellent experience.” — Kerry R. (December 14, 2022)
  • “Super friendly staff from the front office to the medical personnel. Hardly any wait time!” — Chris V. (December 8, 2022)
  • “Friendly and efficient staff. Everyone is super nice!” — Henry R. (December 6, 2022)
  • “Very friendly and professional staff. They did a great job helping me! I was very pleased with the visit and the outcome.” — Teresa K. (November 30, 2022)
  • “Location is great for me. Staff including doctor are pleasant, professional and respectful.” — Matthew A. (November 30, 2022)
  • “Great office personnel and the doctor was so very helpful. I will certainly recommend this office.” — Felix P. (November 28, 2022)
  • “Friendly, professional & efficient! Great experience at this location all around.” — Hannah E. (November 28, 2022)
  • “The office is beautiful, the staff is friendly, knowledgeable and professional. I feel confident that I am in great care. I could not be happier with my experience at The Onion Creek location.” — Dena D. (November 23, 2022)
  • “Great team! Professional doctor, nurses and assistants. Made the procedure less anxious.” — Ryan H. (November 23, 2022)
  • “Very professional office. The doctors are great, they explain thoroughly, easy to talk to. The staff are polite and professional.” — Diana K. (November 21, 2022)
  • “Everyone was very friendly, knowledgeable, and it was a quick visit which I appreciate :)” — Amber B. (November 21, 2022)
  • “Very friendly and helpful!! They made me feel like I was in great hands.” — Lily M. (November 21, 2022)
  • “Glad I found you!” — Edward R. (November 17, 2022)
  • “No waiting, prompt friendly staff & doctor” — Fred D. (November 15, 2022)
  • “Very courteous staff…little to no wait time.” — Michael D. (October 19, 2022)
  • “Staff is professional and friendly. Will definitely return!” — Marcy C. (October 18, 2022)
  • “I loved how well Kristi explained what was going on with my skin, and what all of the different products could do for me! She is absolutely amazing and I am so excited to see the changes with her recommendations!! Everyone I met at Westlake has great energy, I felt welcome, comfortable and heard. Definitely coming back!” — Amanda S. (October 11, 2022)
  • “The doctor and her nurse were professional and friendly.” — Stephen C. (October 11, 2022)
  • “The staff was incredibly friendly and knowledgeable. I felt confident in the answers to my questions and the recommendation I was given!” — Alexandra F. (October 6, 2022)
  • “The facial was fantastic! My face feels totally cleaned out.” — Suzanne R. (October 5, 2022)
  • “The friendly quick comfortable experience!” — Ceca R. (September 28, 2022)
  • “Very professional staff. I will keep coming back. You might need a bigger parking lot!” — Dan D. (September 21, 2022)
  • “Service was very professional while being personal.” — Mark R. (September 20, 2022)
  • “Very fast service. I also like paying the copay upfront instead of getting a surprise bill” — Guillermo C. (September 20, 2022)
  • “They walked me through and explained everything which made me feel very comfortable with the procedures. Definitely a great experience.” — Neil M. (September 15, 2022)
  • “Friendly, efficient service. Actually recommended your services to our next door neighbor today.” — Elizabeth B. (September 14, 2022)
  • “Everyone was extremely nice and I was walked back to the patient room at the exact time of my appointment, which was perfect for a lunch time appt!” — Mia Z. (September 14, 2022)
  • “The ladies at the front desk were so incredibly friendly. Setting up my appointment, answering all my questions, and overall incredibly helpful and kind. I really appreciated the kindness, and made it more comfortable going to my appointment.” — Leslie B. (September 14, 2022)
  • “Awesome team of professionals! They are there for you each step of your treatment! Very friendly and can provide excellent advice for all your derm questions. Also, if I was not keeping my “bro-tox” a secret, I would tell more people.” — Shane F. (September 9, 2022)
  • “I especially liked the fact that the office was so cheerful and clean and everyone was so friendly!!!” — Peggy C. (September 8, 2022)
  • “Amazing knowledge and services! Love WD!” — Carolyn H. (September 8, 2022)
  • “Everyone I met was so nice! I was very nervous about my visit but felt more comfortable when I was greeted with such kindness. I would recommend this office to anyone seeking care.” — Marissa C. (September 8, 2022)
  • “Clean facility, nice staff, on time, knowledgeable. Great experience!” — Tracy M. (September 8, 2022)
  • “Everyone was welcoming and friendly and the office was very clean” — Deidre R. (August 26, 2022)
  • “The staff is super friendly and puts you at ease right away” — Amy C. (August 18, 2022)
  • “The staff was very kind and considerate on my concerns.” — Martin M. (August 11, 2022)
  • “Staff is super friendly and I never need to wait long.” — Janice D. (August 10, 2022)
  • “Just an amazing facility with awesome doctors and staff!” — Debra C. (August 3, 2022)
  • “Everyone was so kind and accommodating to my 96 yr. old Mother. Superior staff and service from the Dr.” — Ophelia B. (July 25, 2022)
  • “Welcoming, intelligent staff. The very best doctor I have encountered in the last 30 years. Warm environment. Not any negativity.” — Kathleen A. (July 20, 2022)
  • “Everyone was very professional. from check in to the skin examination. The office is friendly, clean and bright environment.” — Allan P. (July 19, 2022)
  • “Excellent service and professional. Highly recommend!” — Gaylon S. (July 18, 2022)
  • “Everyone at the Onion Creek location is courteous and competent. It’s always a pleasant experience, could not recommend them any higher.” — Robert B. (July 14, 2022)
  • “Love the staff so much. Y’all are always so kind & helpful. Special thank you to Dr. Zhao, Victoria & Shawn.” — Gracie G. (July 13, 2022)
  • “Everything was great from the front desk ladies to the doctor going everything with me.” — Jo A. (July 12, 2022)
  • “Everything was great! So glad I live by this location!” — Crystal C. (July 7, 2022)
  • “Very nice, clean, professional environment, and staff is very friendly. Everyone is very accommodating.” — Denise B. (July 6, 2022)
  • “All the people working at your facility were wonderful!” — Judith G. (July 3, 2022)
  • “Nikki is great!” — Earl S. (June 30, 2022)
  • “First visit was very good. Reception was professional and very welcoming. Dr. Zhao’s nurse/aid very attentive and thorough. Dr. Zhao was also very thorough with head to toe exam. Explained everything about treatment and options. I thought entire visit was outstanding. I highly recommend.” — Martin S. (June 29, 2022)
  • “This was my first visit to a dermatologist. From the moment I called to schedule an appointment to when I left feeling greatly relieved that a spot I was having checked was absolutely not a cause for concern, every step was easy, handled efficiently, and the staff members were all very professional and friendly. I would definitely recommend this office to anyone needing a dermatologist.” — Karen B. (June 23, 2022)
  • “Everyone was awesome. Great experience!” — Paul H. (June 23, 2022)
  • “Staff is incredibly helpful and kind, office is beautiful, and care is top notch. Wouldn’t go anywhere else for cosmetic services!” — Katelyn R. (June 22, 2022)
  • “Friendly staff, clean environment, appointment on time, and the building was attractive…Very nice receptionist to check one out!” — Suzanne S. (June 16, 2022)
  • “”Staff was helpful from the first call. Rosie set up my surgery and continually followed up. Jennifer worked with the Dr through surgery and constantly made sure I was comfortable. She was very thorough in explaining my release and made sure I understood how to care for my wound. Dr Dieter explained every step she was about to preform. She took her time in all the cuts and stiches she did. There was no pain in the procedure.” — Jay S. (June 15, 2022)
  • “Everyone was extremely friendly and helpful.” — Linda T. (June 6, 2022)
  • “Staff was very welcoming and friendly, great environment. 100% would recommend this location!” — Ruby L. (May 26, 2022)
  • “The medical assistant was fantastic. She’s probably my favorite medical assistant I’ve ever interacted with. The woman up front was extremely helpful as well. She helped break down my insurance plan for my own understanding. Definitely a good visit with good people.” — Brooke S. (May 23, 2022)
  • “The professionalism and friendliness and timeliness👍🏼👍🏼” — Deborah P. (May 17, 2022)
  • “Everyone was so nice and helpful too! Melissa was so sweet and caring! She really put me at ease too! Dr Zho was so personable and really tried to make me feel comfortable during my visit. I am so glad I came here!” — Sally B. (May 4, 2022)
  • “I got a little sweaty/lightheaded during a mole removal. Staff was kind and caring, cooled me off and got me a snack before I left.” — Jared M. (May 4, 2022)
  • “They are great about making me very comfortable and helping ease pain. Best visit ever!” — Sarah P. (May 4, 2022)
  • “Everyone was so friendly. They made sure I was relaxed and that all my concerns were answered.” — Dicienda A. (April 28, 2022)
  • “The office is great, modern and very welcoming. The doctor took the time to see me and was knowledgeable about my questions, and came up with a plan for me to have better skin! Great visit.” — Uchenna E. (April 27, 2022)
  • “Always on time and never rushed. The doctor takes the time to answer any questions you may have and listens well. Very professional.” — Steven C. (April 27, 2022)
  • “Excellent and friendly staff, and extremely kind, caring, informative doctor. Staff was even helpful with the directions to the Dr. Office.” — Venicia D. (April 21, 2022)
  • “Very friendly and professional group. Convenient location and modern, inviting facilities.” — Virginia S. (April 12, 2022)
  • “Everyone was very nice and knowledgeable, I felt very comfortable and at ease.” — Andrew H. (April 7, 2022)
  • “Everyone was incredibly nice and helpful.” — Vicki A. (April 6, 2022)
  • “Great place!” — Michael R. (March 30, 2022)
  • “Great doctors and office personnel.” — Brenda C. (March 16, 2022)
  • “The crew was very professional and they did not seem about the patient. I felt they cared. Thank you guys!!!” — James L. (March 15, 2022)
  • “Friendly staff and nice modern facility” — Randall C. (March 10, 2022)
  • “It’s a very clean facility with friendly staff.” — Seth T. (November 29, 2021)
  • “The staff was super sweet and the office is beautiful.” — Alyssa P. (October 28, 2021)
  • “Everyone was so friendly and welcoming! The location is very clean.” — Danielle R. (September 29, 2021)
  • “Very relaxing atmosphere and staff.” — Suzanne R. (September 15, 2021)
  • “All of the staff were very kind and friendly. I felt very comfortable with each of them. I can’t say enough other than I highly recommend Westlake Dermatology at Onion Creek!!!” — Teresa D. (August 18, 2021)
  • “Very friendly staff. Welcoming.” — Anton H. (August 17, 2021)
  • “Everything was great. The staff was very friendly. The environment was very relaxing. Don’t change a thing!” — Dustin S. (May 28, 2021)
  • “Was an excellent experience and happy that safety measures were in place, I felt comfortable going and I’m high risk.” — Katherine M. (May 28, 2021)
  • “Great experience. Everyone is very friendly!” — Jessica S. (May 14, 2021)
  • “Love the onion creek location. Atmosphere inside was pleasant and inviting. The staff was very nice and welcoming. Highly recommend!” — Justin L. (April 30, 2021)
  • “Lovely office, friendly and respectful. Thank you” — Barbara K. (April 23, 2021)
  • “It was a great experience! Quick, professional and very friendly staff!” — Zulma V. (April 21, 2021)
  • “Beautiful decor Attentive staff. What else could you ask for? Oh and no wait time!” — Edna E. (April 15, 2021)
  • “The entire staff was very friendly.” — Rhonda C. (April 14, 2021)
  • “Great place” — Jimmie G. (March 26, 2021)
  • “Love that we can book appointments online and the new location on Onion Creek Parkway is beautiful and closer to home, so I’m excited to go to his location regularly now!” — Cecilia L. (March 10, 2021)
  • “You have a Beautiful space!” — Kate M. (March 5, 2021)