Mary Philomena Kastner, PMHNP
Healthcare Provider
Mary Kastner, PMHNP practices as part of a group healthcare provider practice in Walnut Creek, CA. With 44+ years of experience, she has been practicing in the Walnut Creek area.
Data updated 2022-11-15 on CMS NPPES
Contact & Location
Practice Location
2960 Camino Diablo Ste 105, Walnut Creek, CA 94597-3945
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Virtual Healthcare Care With Mary Kastner
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Mary Kastner for follow-ups, medication reviews, and ongoing care — no travel to Walnut Creek required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Mary Kastner
NPI records show Dr. Kastner as active with telehealth listed in Walnut Creek, CA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (800) 892-2695.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Mary Kastner
Practice Location
2960 Camino Diablo Ste 105, Walnut Creek, CA 94597-3945
This is a provider directory. Contact the office directly to schedule appointments.
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