Guus Martinus Bol, MD, PHD
Medical Oncology Internal Medicine
Guus Martinus Bol is a Medical Oncology Internal Medicine specialist based in San Francisco, CA with over 15 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across CA can see Guus Martinus Bol, MD, PHD in person in San Francisco or via virtual visit — no travel required. He has been in practice for 15+ years. Medical oncologists diagnose and treat cancer using chemotherapy, immunotherapy, targeted therapy, and hormone therapy.
Older · 237dNPPES updated 2025-09-29 · verify NPI on CMS · Verify license at Medical Board of California
Patient Reviews
No patient reviews yet. If you've seen Guus Martinus Bol, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Sep 28, 2025
Self-reported via NPPES
15 years in practice
Experienced
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
Mailing address
6934 Maiden Ln, San Jose, CA 95120-3227
Differs from practice location
Primary hospital affiliation: Acute Care - Veterans Administration
CMS Certification Number: 20003F
View hospital on Medicare Care CompareVirtual Medical Oncology Care With Guus Martinus Bol
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Guus Martinus Bol for follow-ups, medication reviews, and ongoing care — no travel to San Francisco required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Guus Martinus Bol
NPI records show Dr. Bol as active with telehealth listed in San Francisco, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (415) 353-3000.
Sourced from CMS NPPES · OIG LEIE. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
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 Guus Martinus Bol
Practice Location
1975 4th St, San Francisco, CA 94143-2351
Mailing Address
6934 Maiden Ln, San Jose, CA 95120-3227
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers
Medical Oncology Internal Medicine in California
See allGerson Charles Bernhard, MD
San Francisco, CA
John P. Kane, MD
San Francisco, CA
Yzhar Charuzi, M.D
Los Angeles, CA