Charles Hsiao-Kung Feng, MD
Charles Feng, MD has been part of the Mountain View medical community since 2010 in group practice. He has been in practice for 17+ years.
Data updated 2015-09-23 on CMS NPPES
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Virtual Allergy & Immunology Care With Charles Feng
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Charles Feng for follow-ups, medication reviews, and ongoing care — no travel to Mountain View required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Charles Feng
NPI records show Dr. Feng as active with telehealth listed in Mountain View, CA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (650) 934-7888.
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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 Charles Feng
Practice Location
701 E El Camino Real, Mountain View, CA 94040-2833
Mailing Address
2350 W. El Camino Real 2nd Floor, Mountain View, CA 94040-6203
This is a provider directory. Contact the office directly to schedule appointments.
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