General Surgery at St. Joseph Health Medical Group

Our surgeons have expertise in treating complex disorders as well as common conditions such as colorectal cancer, inflammatory bowel disease, breast disease, gallbladder surgery and hernias.

Procedures Performed

Bronchoscopy / Mediastinoscopy & Biopsies

Carotid endarterectomy

Laparoscopic appendectomy

Laparoscopic gallbladder removal

Lumpectomy, mastectomy

Lung Resection

Minimally invasive colon surgery

Minimally invasive varicose vein surgery

Parathyroidectomy and thyroidectomy

Sarcoma and melanoma excision and resection

Sentinel node biopsy

Sentinel node biopsy, breast biopsy

Splenectomy

VATS (Video Assisted Thoracic Surgery)

Conditions Treated

Benign and malignant diseases of the breast

Colon cancer

Diverticulitis

Gastroesophageal reflux disease (GERD)

Hemorrhoids

Melanoma

Sarcoma

Ventral and inguinal hernia

Our Providers

Our Provider

Robert H. Dunham, MD
Robert H. Dunham, MD
General Surgery, Vascular Surgery
City:  Napa
4.8 out of 5

Meet Our Program Director

Our Providers

Humboldt Providers

Our Humboldt Provider

Thomas Rydz, MD
Thomas Rydz, MD
General Surgery
City:  Eureka
4.8 out of 5

Sonoma and Napa Providers

Our Sonoma and Napa Provider

Robert H. Dunham, MD
Robert H. Dunham, MD
General Surgery, Vascular Surgery
City:  Napa
4.8 out of 5

Our Locations

Eureka - General Surgery

Eureka - General Surgery

Address
2321 Harrison Ave.
Suite A
Eureka, CA 95501
Fortuna - General Surgery

Fortuna - General Surgery

Address
3307 Renner Dr.

Fortuna, CA 95540
Napa - General Surgery

Napa - General Surgery

Address
3434 Villa Lane
Suite 260
Napa, CA 94558
Napa - Surgery

Napa - Surgery

Address
1000 Trancas St.

Napa, CA 94558
Petaluma - General Surgery

Petaluma - General Surgery

Address
106 Lynch Creek Way
Suite 9B
Petaluma, CA 94954
Santa Rosa - General Surgery

Santa Rosa - General Surgery

Address
1701 4th St.
Suite 200
Santa Rosa, CA 95404
Santa Rosa - Breast Surgery, Primary Care Oncology and Genetics

Santa Rosa - Breast Surgery, Primary Care Oncology and Genetics

Address
121 Sotoyome St.
Suite 203
Santa Rosa, CA 95405
Napa - TACS (Trauma and Acute Care Surgery)

Napa - TACS (Trauma and Acute Care Surgery)

Address
1000 Trancas St.

Napa, CA 94558