Radiology & Imaging Services at Providence Medical Group

At Providence Medical Group, we offer quality diagnostic imaging for patients of all ages, in all stages and variations of health and disease. These tests allow radiologists and doctors to make comprehensive evaluations, and diagnose, plan and monitor treatments. We also work to reduce and monitor radiation doses for all patients, and are accredited for our radiology services.

There are two types of radiology: diagnostic and interventional radiology.

  • Diagnostic radiology is used to diagnose the cause of your symptoms, monitor how your body is responding to treatments and screen for illnesses such as breast and colon cancer or heart disease.
  • Interventional radiology uses imaging such as CT, ultrasound, MRI and fluoroscopy to help guide procedures. This is often used when inserting catheters, wires, and other small instruments and tools into your body.

Various locations available in Humboldt, Napa and Sonoma County. Please view location details below.

Procedures Performed

Tomography (CT)

CT scans were developed originally to diagnose brain disorders. They are now used to collect images of tissues throughout the entire body. The clarity and detail provided by a scan often make it unnecessary for patients to undergo exploratory surgery. Modern CT scanners create only an ultra-thin, low dose X-ray beam, so radiation exposure is minimized. CT scans provide greater detail than standard x-rays and can provide a more detailed visualization of the internal organs and soft tissues.

Diagnostic Radiology

The Diagnostic Radiology Department performs standard radiographic and fluoroscopic imaging studies including procedures such as x-rays to detect broken bones, evaluate lung function and gastrointestinal disease processes. Diagnostic Radiology also performs exams during surgical procedures.

Interventional Radiology

Diagnostic Ultrasound and Echocardiography

Ultrasound or Sonography uses sound waves to detect abnormalities in many parts the body. Internal organs and structures reflect the sound waves. Special instruments create an image of the desired area then interpret the reflections. Echocardiographic testing uses sound waves to create an image of the heart. This non-invasive test is particularly useful in detecting and managing heart disease and is one of the standard tools applied by cardiologists.

Nuclear Medicine

Nuclear medicine uses a camera (detector) to create an image of certain tissues and organs in the body after a radioactive tracer (radionuclide or radioisotope) accumulates in the tissues. The radioactive tracer, usually injected into a vein, allows images to show how organs and tissues are functioning. Our Imaging Department has two nuclear medicine camera systems, both with two detectors for faster imaging. Nuclear Medicine exams include bone scans, thyroid uptake and scans, myocardial perfusion imaging (Cardiolite Stress Tests), hepatobiliary imaging, white blood cell imaging, parathyroid imaging, and kidney imaging.

Our Providers

Sonoma and Napa Providers

Our Sonoma and Napa Provider

Ommar Tin Hla, MD
Ommar Tin Hla, MD
Radiation Oncology
City:  Santa Rosa

Our Locations

Humboldt County - Radiology & Imaging Services

Humboldt County - Radiology & Imaging Services

St. Joseph Hospital, Eureka
2700 Dolbeer St.
Eureka, CA 95501
Napa - Radiology & Imaging Services

Napa - Radiology & Imaging Services

1000 Trancas St.

Napa, CA 94558
Sonoma County - Radiology & Imaging Services

Sonoma County - Radiology & Imaging Services

121 Sotoyome St.

Santa Rosa, CA 95405

Monday - Friday: 7:30 a.m. - 5:15 p.m.

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