Our Staff

Meet the DESSWO Team

Photo of Trisha Zeidan, MD

Trisha Zeidan MD

Physician

Dr. Zeidan is an endocrinologist serving the greater Dayton area since 2011. Her clinical work centers on collaborative, patient‑focused care with a strong emphasis on the treatment of diabetes mellitus. Dr. Zeidan supports patients in managing complex endocrine conditions through lifestyle guidance, weight‑management strategies, medication oversight, and the use of modern diabetes technologies.

Photo of Colleen Updyke, APRN

Colleen Updyke APRN

Advanced Practice Nurse

Colleen Updyke, APRN, is an Advanced Practice Nurse specializing in endocrine care. She provides patient‑centered support with a focus on collaborative management of diabetes mellitus and other complex endocrine conditions. Colleen works closely with individuals to strengthen their skills in lifestyle modification, weight management, medication oversight, and the use of modern treatment technologies, ensuring comprehensive and accessible care.

Photo of Marlyinn Reed, CCMA

Marlyinn Reed, CCMA

Office Manager

Marlyinn Reed, CCMA, serves as the Office Manager, overseeing daily operations to ensure an efficient, organized, and welcoming environment for patients and staff. She coordinates administrative workflows, supports patient scheduling and communication, and maintains the smooth functioning of the practice. Marlyinn’s commitment to clarity, consistency, and teamwork helps create a positive experience for everyone who walks through the door.

Photo of Lindsey Martin

Lindsey Martin

Medical Assistant

Lindsey Martin is a Medical Assistant who supports the clinical team by assisting with patient care, preparing exam rooms, and ensuring accurate documentation. She helps facilitate smooth visits by coordinating vital signs, patient intake, and follow‑up needs, and she handles medication prior authorizations to help patients get the treatments they need. Lindsey’s attention to detail and commitment to patient comfort contribute to an efficient and welcoming experience for every individual seen in the practice.

Photo of Lashae Nelson

Lashae Nelson

Medical Assistant

Lashae Nelson is a Medical Assistant who supports the clinical team by assisting with patient care, taking vital signs, and completing patient intake. She also manages medication prior authorizations, working to keep patients’ prescribed therapies accessible and on track. Lashae’s dedication to accuracy and compassionate care helps ensure every visit runs smoothly.

Photo of Emily Michel

Emily Michel

Receptionist / Patient Care Assistant

Emily Michel serves as the Receptionist and Patient Care Assistant, and is often the first point of contact for patients entering the practice. She manages front‑desk operations, including check‑ins, scheduling, and patient communication, while also supporting the clinical team with patient care. Emily’s welcoming demeanor, organization, and attention to detail help create a positive and efficient experience for every patient.

Testimonials

What Our Patients Say

Google reviews 3.7 Based on 50 reviews

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Get In Touch

Phone

Give us a call: (937) 356-9966

Send us a fax: (937) 504-5094

Address

5250 Far Hills Avenue, Suite 150
Dayton, OH 45429

Hours

Monday-Friday: 8:00 am - 4:30 pm