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Mary Tierney is a nurse practitioner professional located in San Mateo, CA. They specialize in nurse practitioner. With over 19 years of experience, they bring deep expertise to every patient.
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Mary Tierney is a nurse practitioner based in San Mateo, California, with 19 years of experience in healthcare. She holds the NP credential and carries license number NP8020. With nearly two decades of clinical practice, she brings substantial experience to patient care and health management.
Mary Tierney's NP credential indicates she is a nurse practitioner—a licensed advanced practice nurse with specialized training beyond registered nursing. Nurse practitioners complete graduate-level education and clinical training, enabling them to diagnose conditions, order tests, prescribe medications, and manage patient care independently or collaboratively depending on state regulations. Her license number NP8020 verifies her credential with California's licensing board, confirming she meets the state's education, examination, and practice standards for this role.