Searching For an E-Clinic in Corpus Christi, TX? Make an appointment today with Dr. Walker. When you need medical treatment, you can't wait a month to see your primary care provider. That's where Dr. Walker, DNP, MHA, APRN, FNP-C comes in. Our E-clinic in Corpus Christi, TX helps patients get the care they need. With our online doctor's appointments, you won't have to worry about going into an office. Tammy Walker's Telemedicine Clinic is a low-cost adult healthcare service for minor healthcare issues / needs. The fee is $40 self-pay per health issue addressed. Types of conditions seen range from: hypertension, diabetes type 2, UTI, yeast infections, sinus infections, tonsillitis, skin conditions, shingles, rashes, poison ivy, allergies, gout, arthritis, constipation, mammogram orders, non-narcotic prescription refills, and lab work orders for routine screenings. Call 361-266-3656 today to make a virtual HEENT exam.