Sean S. Szeja, M.D.
Sean Szeja, M.D. has been part of the Upland medical community since 2013 in independent practice. He graduated from University of Arizona College of Medicine in 2013 and has 13+ years of clinical experience.
Data updated 2020-11-13 on CMS NPPES
Contact & Location
Practice Location
1100 San Bernardino Road Suite 1100, Upland, CA 91786
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Radiation oncologist
Taxonomy: 2085R0001X
Education & Training
University of Arizona College of Medicine (Class of 2013)
Virtual Radiation Oncology Care With Sean Szeja
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Sean Szeja for follow-ups, medication reviews, and ongoing care — no travel to Upland required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Sean Szeja
NPI records show Dr. Szeja as active with telehealth listed in Upland, CA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (909) 949-2242.
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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 Sean Szeja
Practice Location
1100 San Bernardino Road Suite 1100, Upland, CA 91786
Mailing Address
Po Box 512185, Los Angeles, CA 90051-0185
This is a provider directory. Contact the office directly to schedule appointments.
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