Argo Team

– Healthcare with a human touch. Comfortable, personal, and accessible.

The Story of Argo Clinic

Argo Wellness and Hydration Clinic began as more than a business plan; it started as a homecoming. I grew up in Copperas Cove, walked its hallways as a high school student, and carried this town with me through nursing school then nurse practitioner school, ER shifts, and long nights caring for patients. Coming back was never just about finding a job close to home—it was about giving back to the people and families who helped shape me.

For years, I’ve seen the gap: rushed visits, crowded waiting rooms, confusing bills, and patients who felt like they were being “processed,” not cared for. I’ve watched neighbors delay care because they were worried about insurance or surprise costs. I’ve listened to patients who
wished they had a place where they could walk in, be seen quickly, know the price up front, and feel truly heard. Out of that gap, the vision for Argo took shape—a cash-pay urgent care and wellness clinic that puts time, clarity, and comfort back at the center of medicine.

FNP, ENP

Petra Wyche

Petra is the owner and operator of Argo Clinic, where she provides comprehensive pediatric and family care as a board-certified Family and Emergency Nurse Practitioner. With more than 27 years of experience in urgent care and emergency room settings, Petra brings a deep commitment to quality, patient-centered care. She graduated with honors from the University of Mary Hardin-Baylor Nurse Practitioner Program in 2015. Petra is proud to offer new and accessible healthcare options for the community, including telehealth services. A resident of Coryell County since 2006, Petra is married to Desmond and is the mother of two children. She is passionate about expanding modern healthcare choices and serving the community she calls home.

Attending Doctor

David Cummings

Dr. David Cummings, DO, MS, is a dual certified, experienced Emergency Medicine Physician and Family Practice Physician based in Dallas, Texas. He graduated from the University of North Texas Health Science Center at Fort Worth in 2011 and has since been practicing in the field of Emergency Medicine since. Dr. Cummings is board-certified in Osteopathic Family Medicine and has completed one year of ER fellowship training in Memphis. He is certified in ATLS, ACLS, and PALS. He was raised in Copperas Cove, TX and graduated high school there in 1997. He has a wife and a daughter that he adores.