James S. Kastelman, MD
James Kastelman, MD has practiced internal medicine for 43+ years, working in group practice. A Columbia University College of Physicians and Surgeons graduate since 1983, he brings 43+ years of experience.
Data updated 2021-11-30 on CMS NPPES
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Education & Training
Columbia University College of Physicians and Surgeons (Class of 1983)
Virtual Internal Medicine Care With James Kastelman
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with James Kastelman for follow-ups, medication reviews, and ongoing care — no travel to Campbell required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about James Kastelman
NPI records show Dr. Kastelman as active with telehealth listed in Campbell, CA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (408) 236-6400.
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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 James Kastelman
Practice Location
220 E Hacienda Ave, Campbell, CA 95008-6617
Mailing Address
1800 Harrison St Fl 7, Oakland, CA 94612-3466
This is a provider directory. Contact the office directly to schedule appointments.
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