Primary Care Clinic in Sherman TX | Highland Primary Care

Diane Keahey is a board-certified Family Nurse Practitioner with 24 years of clinical experience and a Doctorate from the University of Tennessee. She provides holistic, patient-centered primary care for all ages — with a focus on diabetes, hypertension, anxiety, and women’s and geriatric health. Known for taking time with patients and tailoring care to individual needs, she brings both depth of knowledge and genuine compassion to every visit.
Comprehensive primary care for patients of all ages, from routine wellness visits to management of complex medical conditions.
Personalized care for women at every stage of life, including preventive screenings, hormonal health, and reproductive wellness.
Evidence-based management of diabetes and high blood pressure to reduce complications and improve quality of life.
Specialized care for older adults focusing on healthy aging, medication management, fall prevention, and chronic disease control.
Compassionate evaluation and management of anxiety and related conditions integrated into comprehensive primary care.
Annual physicals, health screenings, immunizations, and personalized wellness plans to prevent disease and maintain long-term health.
Yes! Diane Keahey is currently accepting new patients at Highland Primary Care in Sherman, TX. Call 903-871-5671 or use our online form to schedule your first appointment.
Highland Primary Care accepts most major insurance plans including Medicare, Medicaid, Blue Cross Blue Shield, Aetna, Cigna, United Healthcare, and more. Contact our office to verify your specific plan.
Diane Keahey practices at Highland Primary Care, located at 300 N Highland Ave, Suite 455, Sherman, TX 75092.
Diane is accepting new patients. Book your visit today and experience personalized, compassionate care.
Schedule Your Visit NowOr call us at 903-871-5671