Meet the Team

A smiling woman with wavy brown hair, wearing a black blazer and white shirt, standing outdoors in front of green foliage.

Susana Lazaro

Born and raised in Santa Barbara, Susana has worked for Dr. Thrash for 10 years, bringing valuable experience in medical office operations and accounting while helping the office run smoothly and ensuring every patient feels welcome. She is a commissioned notary, providing notary services for the practice. Outside of work, she enjoys spending time with her family, staying active, and embracing life with faith, energy, and balance.

Office Manager

A smiling female healthcare professional with long brown hair, wearing a white coat and a stethoscope around her neck.

jenna Withrow, PA-C

Jenna Withrow, PA-C, is an experienced primary care clinician recognized for her thoughtful clinical judgment and patient-centered approach. Raised in Santa Barbara, she is deeply committed to preventive medicine, continuity of care, and whole-person health. She earned her Bachelor of Science in Kinesiology from Westmont College and her Master of Health Sciences in Physician Assistant Studies at Duke University School of Medicine, with clinical experience spanning both primary care and orthopedic surgery. Jenna works collaboratively with her patients to develop individualized care plans grounded in evidence-based medicine and aligned with each patient’s goals and values.

Physician Assistant

A woman with short wavy brown hair and light skin, smiling, wearing a colorful scrub top with butterfly, cat, and polka dot patterns in pink, black, yellow, and light blue, against a plain white background.

Daisha Dill

Daisha Dill is a certified phlebotomist with over 10 years of experience. She’s passionate about providing patients with a smooth, comfortable, and stress-free experience. Daisha has worked with Dr. Thrash for over 7 years and recently launched her own mobile phlebotomy service, offering convenient in-home blood draws.

Phlebotomist