About
Kathryn C. Siems, MS, PA-C
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Effective June 1, 2026, Kate Siems, PA-C, is seeing patients at ARC Dermatology South Specialty and ARC Southwest. This move may affect upcoming appointments. Please check all notifications from ARC for visit details and address before any upcoming appointments.
Kate Siems grew up in Lindale, a small town in East Texas. She had the opportunity to spend two years of her career working in Haiti after the 2010 earthquake, which she says “was a life changing experience,” and also where she met her husband! Kate loves hiking and camping – anything outdoors – with her family and friends, spending time with her son, and creating new memories. In addition, she loves to travel and explore new places and cultures. Her favorite area locales are the greenbelt trails.
Learn more about Physician Assistants.
I initially went into medicine because I love working with people, and I found it fascinating. I consider it a huge honor to walk alongside people as they navigate their various health challenges. I want to help alleviate both the emotional and physical suffering that many dermatologic conditions can cause. I place a great deal of importance on making sure patients feel cared for, as well as ensuring they receive excellent medical care. Each patient should leave an appointment with me feeling valued and heard, as well as being clear on their diagnosis and treatment plan.
Services
- Acne & Rosacea Treatment for Adult and Teen Skin
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Acne & Rosacea Treatment for Adult and Teen Skin
Your ARC dermatologist or advanced practice clinician (APC) will help you decide on the best treatment plan for your acne.
- Biopsies of Skin Lesions and Conditions
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Biopsies of Skin Lesions and Conditions
A skin biopsy is done by removing cells or skin samples from your body for laboratory examination. The skin samples are used to help diagnose skin conditions and determine a treatment plan for you.
- Care for Chronic Skin Conditions like Psoriasis, Eczema, Lupus, etc.
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Care for Chronic Skin Conditions like Psoriasis, Eczema, Lupus, etc.
Your ARC dermatologist or advanced practice clinician (APC) works with you to provide care to help ease chronic skin conditions like psoriasis, eczema, lupus, etc.
- Diagnosis & Management of Cancer and Other Skin Lesions (Suspicious Moles, Warts, Cysts, Lipomas)
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Diagnosis & Management of Cancer and Other Skin Lesions (Suspicious Moles, Warts, Cysts, Lipomas)
Detecting severe skin conditions early can improve your quality of life. Our ARC dermatologists and advanced practice clinicians (APCs) can provide the proper care for skin cancer and other skin lesions.
- Evaluation, Diagnosis, and Treatment of Bacterial/Viral/Fungal Infections
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Evaluation, Diagnosis, and Treatment of Bacterial/Viral/Fungal Infections
An ARC dermatologist or advanced practice clinician (APC) can evaluate, diagnose, and treat bacterial, viral, and fungal infections.
- Evaluation, Diagnosis, and Treatment of Hair Loss and Nail Disorders
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Evaluation, Diagnosis, and Treatment of Hair Loss and Nail Disorders
Find out what is causing your hair loss and nail disorders and receive treatment to get them back to a healthy state.
- Intramuscular and Intralesional Injections
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Intramuscular and Intralesional Injections
Dermatologic therapy injections that deliver medication deep into the muscle or skin lesions.
- Mole Evaluations and Skin Cancer Screenings
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Mole Evaluations and Skin Cancer Screenings
The evaluation of suspicious moles and skin areas can help detect skin cancer and chronic conditions.
- Patch Testing for Contact Dermatitis
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Patch Testing for Contact Dermatitis
Contact dermatitis is a reaction that happens after your skin comes in direct contact with certain substances. Patch testing can be done to find the substance that's causing the rash.
- Telemedicine Visits
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Telemedicine Visits
ARC offers telemedicine visits for primary and specialty care. ARC doctors and advanced practice clinicians (APCs) can quickly evaluate you for a new health issue or follow up with you via a phone call or video visit from the comfort of your home.
Learn More
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Locations & Hours
Credentials
Board Certifications
Certified as a Physician Assistant by the National Commission on Certification of Physician AssistantsEducation
BA in Biology, Summa Cum Laude, Baylor University, College of Arts & Sciences, Waco, TX, 2004
M.S. Physician Assistant, with Honors, Baylor College of Medicine, School of Allied Health Sciences, Houston, TX, 2007Professional Positions
- Member, Society of Dermatology Physician Assistants
Awards & Honors
- Henry D. McIntosh Achievement Award, highest degree of academic excellence and service, Baylor College of Medicine, 2007
- Phi Beta Kappa Academic Honor Society, Baylor University, 2003-2004