Our Services

Critical Care Medicine

St. Joseph Health Medical Group manages critical care coverage for our affiliated hospitals in Santa Rosa, Petaluma, Napa, Fortuna, and Eureka.

Our highly trained intensivists are experts in the needs of critically ill patients and continuously manage the treatment and progress of each patient. In the past, patients would wait for their primary care physician to visit once each day, either before or after office hours. Because our intensivists are onsite or immediately available 24/7, they round on patients as often as needed and are available to respond to changes in a patient's condition.

While an intensivist takes the lead when you are in the Critical Care Unit, it is a team effort with your personal physician remaining informed and involved.

What is an intensivist?

An intensivist, also known as a critical care physician, is a medical doctor with special training and experience in treating critically ill patients. After finishing a residency in internal medicine, an intensivist goes on to complete a two- to three-year fellowship in critical care medicine.

Our St. Joseph Health Medical Group intensivists specialize in the complex needs of seriously ill patients. They are familiar with the healthcare professionals that will be important to you, including medical and surgical specialists, radiologists and therapists. As a result, your intensivist can help advance your treatment, and make certain you receive the best possible care.

When will I see the intensivist?

At most hospitals, a physician "rounds" on each patient either before or after his or her office hours. Our intensivists have no outside medical practice, which means they are available 24/7 within the CCU. That gives them the flexibility to check on your progress as often as needed throughout the day.

Why will an intensivist care for me instead of my own physician?

Your family doctor has an office outside the hospital and is sometimes unavailable during office hours. Your intensivist's office, however, is the Critical Care Unit which means he or she can be accessible to you and your family, respond more quickly to even subtle changes in your test results or condition, and more effectively supervise your care.

Even though you will see the intensivist during your hospital stay, don't worry-both physicians communicate with each other to ensure that you are getting exactly the care you need.

Will the intensivist be aware of my medical history?

Yes. As an St. Joseph Health Medical Group doctor, your intensivist has complete access to all of your medical files. Equally importantly, your personal physician will ensure your intensivist is fully briefed on your medical background and condition. Our physicians will communicate and coordinate with each other about any follow-up care or special needs you may have.

What are the benefits of intensivist

Studies show that intensivists improve the quality of care, increase patient comfort, ensure frequent communication with the patient and their family, and prevent delays in day-to-day care.

For many patients, the most important benefit is the intensivist's ability to immediately respond to new information-such as test results-or changes in a patient's condition. Our experience and commitment, combined with an outstanding staff and a state-of-the-art facility ensures patients receive the finest care available.

View Our Locations

Redwood Memorial Hospital

St. Joseph Hospital, Eureka

Queen of the Valley Medical Center

Petaluma Valley Hospital

Santa Rosa Memorial Hospital

Meet Our Providers

Gina H. Chen MD (707) 303-8307
Hospitalist Medicine
Critical Care Medicine (Board Certified)
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Office :
1165 Montgomery Drive
Santa Rosa, CA 95405
Stephen R Dieker MD (707) 445-8121
Anesthesiology (Board Certified)
Critical Care Medicine (Board Certified)
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Office :
Humboldt Medical Specialists-Anesthesia
2700 Dolbeer Street
Eureka, CA 95501
Aaron Hegg, MD
Emergency Medicine (Board Certified)
Hospitalist Medicine
Critical Care Medicine (Board Certified)
Internal Medicine (Board Certified)
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Office :
1165 Montgomery Drive
Santa Rosa, CA 95405
Gregory Houghton MD (707) 303-8360
Hospitalist Medicine
Critical Care Medicine
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Office :
1165 Montgomery Drive
Santa Rosa, CA 95405
Hyun Kang MD (707) 525-3000
Hospitalist Medicine
Critical Care Medicine
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Office 1:
1165 Montgomery Drive
Santa Rosa, CA 95405

Office 2:
Petaluma Valley Hospital
400 North McDowell Blvd.
Petaluma, CA 94954
Office 1:
St. Joseph Health Medical Group
3200 Walford Street, Suite A
Eureka, CA 95503

Office 2:
23rd Street Lab
2379 23rd Street
Eureka, CA 95501
Peter Rothenberg MD
Hospitalist Medicine
Critical Care Medicine (Board Certified)
Internal Medicine (Board Certified)
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Office :
This Physician is based at Petaluma Valley Hospital
400 N McDowell Blvd
Petaluma, CA 94954
William Sageman MD (707) 445-8121
Critical Care Medicine (Board Certified)
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Office :
2700 Dolbeer Street
Eureka, CA 95501
Daljeet S. Samra MD (707) 778-1111
Hospitalist Medicine
Critical Care Medicine
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Office :
Petaluma Valley Hospital
400 North McDowell Blvd.
Petaluma, CA 94954
Sharad Sharma MD (707) 525-5300
Critical Care Medicine (Board Certified)
Internal Medicine (Board Certified)
Pulmonology (Board Certified)
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Office 1:
Santa Rosa Memorial Hospital
1165 Montgomery Drive
Santa Rosa, CA 95405

Office 2:
585 West College Avenue
Santa Rosa, CA 95405
Leigh A. Slater MD (707) 525-5300
Hospitalist Medicine
Critical Care Medicine
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Office :
This physician is based at Santa Rosa Memorial Hospital
1165 Montgomery Dr.
Santa Rosa, CA 95405
Jennifer Walker MD (707) 525-5300
Emergency Medicine (Board Certified)
Hospitalist Medicine
Critical Care Medicine
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Office :
Based at Santa Rosa Memorial Hospital
1165 Montgomery Dr.
Santa Rosa, CA 95405
Kathleen Williams DO
Critical Care Medicine
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Office :
Critical Care Physician Based at St. Joseph Hospital
2700 Dolbeer Street
Eureka, CA 95501