Marisa Siebel, M.D.
Medical Oncology Internal Medicine
Marisa Siebel, M.D. practices as part of a group medical oncology internal medicine specialist practice in New Hyde Park, NY. She has been in practice for 26+ years. Medical oncologists diagnose and treat cancer using chemotherapy, immunotherapy, targeted therapy, and hormone therapy.
Data updated 2016-09-14 on CMS NPPES
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Medical oncologists diagnose and treat cancer using chemotherapy, immunotherapy, targeted therapy, and hormone therapy. They coordinate care with surgical oncologists and radiation oncologists for comprehensive cancer treatment.
Taxonomy: 207RX0202X
Virtual Medical Oncology Care With Marisa Siebel
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Marisa Siebel for follow-ups, medication reviews, and ongoing care — no travel to New Hyde Park required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Marisa Siebel
NPI records show Dr. Siebel as active with telehealth listed in New Hyde Park, NY. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (516) 734-7671.
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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 Marisa Siebel
Practice Location
450 Lakeville Rd, New Hyde Park, NY 11042-1118
Mailing Address
440 Main Street Northwell Health Cancer Institute, Imbert Cancer Center, Bay Shore, NY 11706
This is a provider directory. Contact the office directly to schedule appointments.
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