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We bring different perspectives to the table, but we’re united by a love for purposeful work, thoughtful design, and real connection.

Our Team

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Ferdinand L. Briones, FNP-C, PMHNP-BC

Founder and lead provider of Across Lifespan Mental Health Services in Peoria, AZ. Dual board-certified specializing in Psychiatric Mental Health Nurse Practice and Family Nurse Practice, with extensive clinical experience in both fields. Known for his expertise in precise diagnostic assessments and personalized, evidence-based treatment plans. Committed to expanding access to psychiatric care with no waiting lists and same-week appointments.


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Sara Napitupulu, PMHNP-BC

Board-Certified Psychiatric Mental Health Nurse Practitioner, licensed in Arizona. 5+ years psychiatric/forensic nursing experience. Specializes in precise assessments, evidence-based medication management, and patient-centered care across the lifespan.


Vilma Padilla, PMHNP-BC

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Board-Certified Psychiatric Mental Health Nurse Practitioner, licensed in Arizona. Bilingual English/Spanish. Specializes in psychiatric evaluations, crisis stabilization, and evidence-based medication management.

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Mc Michael B. Chan, PMHNP-BC

Board-Certified Psychiatric Mental Health Nurse Practitioner, licensed in Arizona, with 20+ years of nursing experience. Specializes in comprehensive evaluations and evidence-based medication management for patients across the lifespan. Committed to precise, compassionate, data-driven psychiatric care.


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