Medical Oncology

St. Joseph Health Medical Group offers comprehensive medical oncology services to treat cancer using chemotherapy, hormonal therapy, immunotherapy, and targeted therapy at our outpatient clinics in Santa Rosa, Petaluma, Napa, Lakeport, and Eureka. As leaders and innovators, our medical oncologists provide you and your family with state-of-the-art treatment options that take advantage of advanced techniques in medical oncology available to treat cancer. We also have a robust clinical research program, including participation in national clinical trials that are available to patients with certain conditions. If you would like more information click here.

Our medical oncologists are board-certified, completing their residency in internal medicine and medical oncology at the finest medical institutions from around the United States. Some are also board-certified hematologists, with additional training in the treatment of benign blood disorders, such as hemophilia. By virtue of their broad training in all aspects of adult medicine, they are uniquely qualified to coordinate the complex care of patients requiring all types of cancer treatment, including radiation therapy or surgery if appropriate.

Whatever type or combination of therapy you might need, you will be cared for by a team of medical professionals dedicated to ensuring that you receive the best possible results from treatment.

For more information on what we are doing to advance the care in our community, please visit the following pages for our services in

Sonoma Napa Humboldt

View Our Locations

Medical Oncology

Medical Oncology and Radiation Oncology

Medical Oncology

Primary Care Oncology & Survivorship

Meet Our Providers

Paul J Dugan MD (707) 253-7161
Oncology - Medical (Board Certified)

Monday-Friday 9:00-5:00

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Office :
St Joseph Health Medical Group
1100 Trancas St.
Suite 256
Napa, CA 94558
Jay S. Joseph MD, FACR (707) 463-3636
Radiation Oncology

Office hours are Monday throughFriday, 8:00 am to 5:30 p.m.

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Office :
St Joseph Health Medical Group
1165 South Dora. St.
Bldg. H
Ukiah, CA 95482
Office 1:
110 Lynch Creek Way, Suite A
Petaluma, CA 94954

Office 2:
3555 Round Barn Circle
Santa Rosa, CA 95403
Daniel P. Mirda MD (707) 253-7161
Oncology - Medical (Board Certified)

Mon. - Fri. 9 a.m. - 5 p.m.

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Office :
St. Joseph Health Medical Group
1100 Trancas St.
Suite 256
Napa, CA 94558
Sushma Pant MD (707) 267-2060
Hematology
Oncology - Medical
Hematology-Oncology
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Office :
St. Joseph Health Medical Group
2710 Dolbeer St.
Eureka, CA 95501
Amy Shaw MD (707) 525-6623
Survivorship

Monday-Friday

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Office :
St. Joseph Health Medical Group
121 Sotoyome Street
Suite 203
Santa Rosa, CA 95405
Ari Umutyan MD (707) 253-7161
Oncology - Medical (Board Certified)

Monday - Friday

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Office :
St. Joseph Health Medical Group
1100 Trancas St.
Suite 256
Napa, CA 94558