Our Providers

Accepting new patients

David Adler M.D.

Neurosurgeon
Area of Expertise:

Neurological surgery; Neuro-oncology; Neurotrauma; Complex and minimally-invasive spinal surgery

Columbia Neurosurgical Associates
1040 NW 22nd Ave.
Suite 630
Portland, OR 97210
Phone 503-796-2743
Fax 503-796-2742
Accepting new patients

David Antezana M.D.

Neurosurgeon; Providence Cranial Services Providence Portland Medical Center
Area of Expertise:

Brain and spine disorders; Gamma Knife radiosurgery

The Oregon Clinic-Microneurosurgical Division, Providence Portland
5050 NE Hoyt St.
Suite 651
Portland, OR 97213
Phone 503-935-8500
Fax 503-935-8505
The Oregon Clinic-Microneurosurgical Division, Providence St. Vincent
9155 SW Barnes Road
Suite 440
Portland, OR 97225
Phone 503-297-3766
Fax 503-297-8148
Accepting new patients

Stephen B. Bader M.D.

Radiation oncologist
Area of Expertise:

Radiation oncology; Benign and malignant tumors of the brain; breast cancer; gastrointestinal cancer; head and neck malignancies; lung cancer; prostate cancer

The Oregon Clinic-Radiation Oncology Division, Clackamas Radiation Oncology Center
9280 SE Sunnybrook Blvd.
Suite 100
Clackamas, OR 97015
Phone 503-513-3300
Fax 503-513-3310
The Oregon Clinic-Radiation Oncology Division, Providence Cancer Center
4805 NE Glisan St.
Garden Level
Portland, OR 97213
Phone 503-215-6029
Fax 503-215-6387
Accepting new patients

Martin Baggenstos M.D.

Neurosurgeon
Area of Expertise:

Neurosurgery

The Oregon Clinic-Microneurosurgical Division, Providence Portland
5050 NE Hoyt St.
Suite 651
Portland, OR 97213
Phone 503-935-8500
Fax 503-935-8505
The Oregon Clinic-Microneurosurgical Division, Providence St. Vincent
9155 SW Barnes Road
Suite 440
Portland, OR 97225
Phone 503-297-3766
Fax 503-297-8148
Accepting new patients

Jefferson W. Chen M.D., Ph.D., F.A.C.S.

Neurological Surgeon
Area of Expertise:

Neurological surgery; Neurotrauma; Neurocritical care; Neurooncology; Neuroscience research

Pacific Neurosurgical, PC
501 N. Graham St.
Suite 580
Portland, OR 97227
Phone 503-528-0704
Fax 503-528-0708
Accepting new patients

David E. Gannett M.D.

Radiation Oncologist, Medical Director Radiation Oncology
Area of Expertise:

Stereotactic radiosurgery using the Gamma Knife; Benign and malignant tumors of the brain; Breast cancer; Combined modality therapy; Gastrointestinal cancer; Disease of the esophagus; Head and neck malignancies; Lung cancer; Prostate cancer

The Oregon Clinic-Radiation Oncology Division, Providence St. Vincent
9205 SW Barnes Road
Lower Level
Portland, OR 97225
Phone 503-216-2195
Fax 503-216-2196
Accepting new patients

Carrie Gotkowitz M.D.

Radiation oncologist
Area of Expertise:

Head and neck tumors, breast cancer, gynecologic cancers, neurologic tumors, IMRT treatment planning, and Gamma Knife stereotactic radiosurgery

Compass Oncology - Vancouver
210 SE 136th Ave
Vancouver, WA 98684
Phone 360-944-9889
Fax 360-944-9686
Compass Oncology-Vancouver
210 SE 136th Ave.
Vancouver, WA 98684
Phone 360-944-9889
Fax 360-944-4655
Accepting new patients

Eric K. Hansen M.D.

Radiation oncologist
Area of Expertise:

Radiation oncology

The Oregon Clinic-Radiation Oncology Division, Providence St. Vincent
9205 SW Barnes Road
Lower Level
Portland, OR 97225
Phone 503-216-2195
Fax 503-216-2196
Accepting new patients

Jeffrey P. Johnson M.D.

Neurosurgeon
Area of Expertise:

Neurosurgery; Gamma Knife stereotactic radiosurgery

Portland Neurosurgery
9155 SW Barnes Road
Suite 836
Portland, OR 97225
Phone 503-291-1960
Fax 503-297-9195
Accepting new patients

Harold Kim M.D.

Otologist and neurotologist
Area of Expertise:

Stereotactic radiosurgery

Wilson Ear Clinic
911 NW 18th Ave.
Portland, OR 97209
Phone 503-227-3666
Fax 503-227-2234
Accepting new patients

Andrew J. Kokkino M.D.

Neurosurgeon
Area of Expertise:

Gamma Knife

Oregon Neurosurgery Specialists - Springfield
3355 Riverbend Drive
Suite 400
Springfield, OR 97477
Phone 541-686-8353
Fax 541-343-9387
Accepting new patients

Ashok Modha M.D.

Neurosurgeon
Area of Expertise:

Neurosurgery; Neurooncology neurosurgery; Minimally-invasive spine surgery; Stereotactic radiosurgery

One Center Ct Ste 110, Portland
One Center Ct Ste 110
Portland, OR 97227
Phone 360-254-6161
Rebound-Neurosurgery Brain and Spine Center
200 NE Mother Joseph Plaza
Suite 300
Vancouver, WA 98664
Phone 360-256-8584
Fax 360-823-5632
Accepting new patients

Kenneth Nitta M.D.

Radiation oncologist
Area of Expertise:

Gamma Knife

Radiation Oncology Associates, PC
501 NW Elks Drive
Corvallis, OR 97330
Phone 541-768-5220
Fax 541-768-5303
Accepting new patients

Gregory Patton M.D.

Radiation oncologist
Area of Expertise:

Breast cancer, brain tumors

Compass Oncology-Rose Quarter, Portland Radiation Oncology
265 N. Broadway
Portland, OR 97227
Phone 503-528-5013
Fax 503-528-5255
Accepting new patients

Richard Polin M.D.

Neuorsurgeon
Area of Expertise:

Neurosurgery

Mt. Scott Medical Office
10180 SE Sunnyside Road
Clackamas, OR 97015
Phone 503-652-2880
Fax 503-571-3601
Accepting new patients

Daniel Rohrer M.D.

Neurosurgeon; co-medical director, Providence Cranial Services Providence St. Vincent Medical Center
Area of Expertise:

Cranial surgery; Surgery for tumors; Neurovascular surgery; Craniofacial pain syndromes; Stereotactic radiosurgery (Gamma Knife); Neuroendoscopy

Comprehensive Neurosurgical
9155 SW Barnes Road
Suite 210
Portland, OR 97225
Phone 503-546-3503
Accepting new patients

Steven K. Seung M.D., Ph.D.

Director, The Gamma Knife Center of Oregon
Area of Expertise:

Brain tumor, Head and Neck Cancer, Lung Cancer, Esophageal Cancer, Melanoma

The Oregon Clinic-Radiation Oncology Division, Providence Cancer Center
4805 NE Glisan St.
Garden Level
Portland, OR 97213
Phone 503-215-6029
Fax 503-215-6387
Accepting new patients

Francisco Soldevilla M.D.

Neurosurgeon
Area of Expertise:

Neurosurgery

Northwest Neurosurgical Associates, LLC, Tualatin
19260 SW 65th Ave., Suite 270
Tualatin, OR 97062
Phone 503-885-8845
Fax 503-885-8946
Accepting new patients

Matthew C. Solhjem M.D.

Radiation oncologist
Area of Expertise:

Brain tumors; Gastrointestinal cancer; Head and neck malignancies;Lung cancer; Prostate cancer; Gamma Knife stereotactic radiosurgery; Stereotactic body radiotherapy (SBRT)

Clackamas Radiation Oncology Center
9280 SE Sunnybrook Blvd.
Suite 100
Clackamas, OR 97015
Phone 503-513-3300
Providence Lung Cancer Clinic Eastside Portland
The Oregon Clinic-Radiation Oncology Division, Clackamas Radiation Oncology Center
9280 SE Sunnybrook Blvd.
Suite 100
Clackamas, OR 97015
Phone 503-513-3300
Fax 503-513-3310
The Oregon Clinic-Radiation Oncology Division, Providence Cancer Center
4805 NE Glisan St.
Garden Level
Portland, OR 97213
Phone 503-215-6029
Fax 503-215-6387
Accepting new patients

Alice Wang-Chesebro M.D.

Radiation oncologist
Area of Expertise:

Radiation oncology

Clackamas Radiation Oncology Center
9280 SE Sunnybrook Blvd.
Suite 100
Clackamas, OR 97015
Phone 503-513-3300
Providence Lung Cancer Clinic Eastside Portland
The Oregon Clinic-Radiation Oncology Division, Clackamas Radiation Oncology Center
9280 SE Sunnybrook Blvd.
Suite 100
Clackamas, OR 97015
Phone 503-513-3300
Fax 503-513-3310