New Providers

Welcome these providers who are new to the area or recently joined the following practices: 

Eugene Foot & Ankle Health Center

Sarah Rincker, DPM, Podiatry
Medical School: Des Moines University College of Podiatric Medicine and Surgery
Internship/Residency: Foot and Ankle, Grant Medical Center
Board-Eligible: Foot and Ankle Surgery
Address: 1680 Chambers St., Suite 201, Eugene, OR 97401
Phone: 541-683-3351

Eugene Pediatric Associates

Peter Sidor, MD, Pediatrics
Medical School: Saint Louis University School of Medicine
Residency: Pediatrics, Oregon Health & Science University
Board-Eligible: Pediatrics
Address: 995 Willagillespie Road, Suite 100, Eugene, OR 97401
Phone: 541-484-5437

Northwest Anesthesia Associates

Alexander Shune, MD, Anesthesia
Medical School: Ohio State University
Internship/Residency: Anesthesiology, University of Iowa Hospitals & Clinics
Board-Eligible: Anesthesiology
Address: 3333 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-3154 ext. 541

Northwest Intensivists

Diana Hansen, MD, Critical Care Medicine
Medical School: Saba University School of Medicine
Residency: Internal Medicine/Pediatrics, University of Tennessee-Memphis
Fellowship: Critical Care Medicine, Oregon Health & Science University
Board-Certified: Internal Medicine
Board-Eligible: Critical Care Medicine
Address: 3355 RiverBend Drive, Suite 240, Springfield, OR 97477
Phone: 541-687-1712

Oregon Cardiology

Hongsheng Mark Guo, MD, Electrophysiology
Medical School: Tongji Medical Academy
Internship/Residency: Internal Medicine, University of South Dakota
Fellowship: Cardiac Electrophysiology, Harvard Medical School; Cardiovascular Disease, University of Iowa Hospitals & Clinics
Board-Certified: Cardiac Electrophysiology, Cardiovascular Disease
Address: 3311 RiverBend Drive, Springfield, OR 97477
Phone: 541-484-4332

Oregon Medical Group

William Brus, MD, Family Medicine
Medical School: Loma Linda University School of Medicine
Internship/Residency: Family Medicine, Florida Hospital Family Medicine Residency
Board-Certified: Family Medicine
Address: Crescent Family Medicine, 2830 Crescent Ave., Eugene, OR 97408
Phone: 541-686-9000

Richard Cunliffe, PA-C, Orthopedic Surgery
Medical Education: Cuyahoga Community College
Board-Certified: National Commission on Certification of Physician Assistants
Address: 1435 G St., Springfield, OR 97477
Phone: 541-242-4812

Warren Griffith, DO, Family Medicine
Medical School: Kansas City University - College of Osteopathic Medicine
Internship: Rotating, Parkview Hospital
Board-Certified: Family Medicine
Address: Crescent Family Medicine, 2830 Crescent Ave., Eugene, OR 97408
Phone: 541-686-9000

Luke O'Rourke, DO, OB/GYN
Medical School: Des Moines University Osteopathic Medical Center
Internship/Residency: Obstetrics/Gynecology, Aurora Sinai Medical Center
Board-Eligible: Obstetrics and Gynecology
Address: Center for Women's Health, 330 S. Garden Way, Suite 200, Eugene, OR 97401
Phone: 541-686-7007

Oregon Neurology Associates

Jeffrey Frank, MD, Neurology
Medical School: Texas Tech University
Internship/Residency: Pediatrics, Texas Tech University Health Sciences Center
Residency: Neurology/Child Neurology, University of North Carolina
Board-Eligible: Child Neurology
Address: 3355 RiverBend Drive, Suite 410, Springfield, OR 97477
Phone: 541-868-9430

Oregon Neurosurgery Specialists

Neil Roundy, MD, Neurosurgery
Medical School: University of Arizona College of Medicine
Internship: General Surgery, Oregon Health & Science University
Residency: Neurosurgery, Oregon Health & Science University

Board-Eligible: Neurological Surgery
Address: 3355 RiverBend Drive, Suite 400, Springfield, OR 97477
Phone: 541-686-8353

Oregon Urology Institute PC

Kevin Brandt, PA-C, Urology
Medical Education: Rocky Mountain College
Board-Certified: National Commission on Certification of Physician Assistants
Address: 2400 Hartman Lane, Suite 200, Springfield, OR 97477
Phone: 541-746-3350

PeaceHealth Hospital Medicine

Joanna Aquino-Laban, MD, Hospital Medicine
Medical School: University of the Philippines
Internship/Residency: Internal Medicine, Summa Akron City Hospital
Board-Eligible: Internal Medicine
Address: 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-6389

Samson Barasa, MD, Hospital Medicine
Medical School: Moi University College of Health Sciences
Residency: Family Medicine, Union Hospital
Fellowship: Geriatric Medicine, University of Illinois at Chicago; Research/Teaching, University of Illinois at Chicago
Board-Certified: Geriatric Medicine, Family Medicine
Address: 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-6389

Tian Davis, DO, Hospital Medicine
Medical School: Lake Erie College of Osteopathic Medicine
Internship/Residency: Internal Medicine, Manatee Memorial Hospital
Board-Eligible: Internal Medicine
Address: 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-6389

Preeviti Ellis, MD, Hospital Medicine
Medical School: Kasturba Medical College
Internship/Residency: Internal Medicine, Morehouse School of Medicine
Fellowship: Geriatric Medicine, David Geffen School of Medicine at University of California, Los Angeles
Board-Certified: Internal Medicine
Board-Eligible: Geriatric Medicine
Address: 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-6389

Julius Laban, MD, Hospital Medicine
Medical School: University of the Philippines
Internship/Residency: Internal Medicine, Summa Akron City Hospital
Board-Eligible: Internal Medicine
Address: 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-6389

Amandeep Singh, MD, Hospital Medicine
Medical School: Dayanand Medical College and Hospital
Internship/Residency: Internal Medicine, Western Reserve Health Education
Board-Eligible: Internal Medicine
Address: 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-6389

Mollie Skov-Ortega, MD, Hospital Medicine
Medical School: New York Medical College
Internship/Residency: Family Medicine, Stamford Hospital
Board-Certified: Family Medicine
Address: 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-6389

David Witkin, MD, Hospital Medicine
Medical School: University of Colorado School of Medicine
Internship: Family Practice, University of Colorado Health Sciences Center
Residency: Psychiatry, University of Colorado Health Sciences Center; Internal Medicine, University of New Mexico

Board-Certified: Internal Medicine
Address: 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-6389

PeaceHealth Medical Group

James Akins, NP, Behavioral Health
Medical Education: Oregon Health & Sciences University
Board-Certified: American Nurses Credentialing Center
Address: 1200 Hilyard St., Suite 200, Eugene, OR 97401
Phone: 541-682-7583

Rechelle Asirot, MD, Family Medicine
Medical School: University of the Philippines
Internship/Residency: Family Medicine, University of Texas Medical Branch
Fellowship: Geriatric Medicine, University of Texas Health Science Center at Houston
Board-Certified: Family Medicine
Board-Eligible: Geriatric Medicine
Address: South Eugene Clinic, 3299 Hilyard St., Eugene, OR 97405
Phone: 541-222-8620

Misty Carlson, MD, Pediatric Cardiology
Medical School: University of Pittsburgh School of Medicine
Residency: Oregon Health & Science University
Fellowship: Pediatric Cardiology, Oregon Health & Science University
Certificate in Human Research: Human Investigations Research Program, Oregon Health & Science University
Board-Certified: Pediatric Cardiology, General Pediatrics
Address: RiverBend Pavilion, 3377 RiverBend Drive, 4th Floor, Springfield, OR 97477
Phone: 541-222-6160

Rensie De Vera, MD, Family Medicine
Medical School: University of Santo Tomas
Residency: Family Medicine, St. Elizabeth Medical Center
Board-Eligible: Family Medicine
Address: University District Clinic, 1299 Hilyard St., Suite 230, Eugene, OR 97401
Phone: 541-687-6011

Stephen Hallas, DO, Family Medicine
Medical School: Western University Health Sciences/College of Osteopathic Medicine of the Pacific
Internship/Residency: Family Medicine, Samaritan Health Services
Board-Eligible: Family Medicine
Address: Santa Clara Clinic, 2484 River Road, Eugene, OR 97404
Phone: 541-222-7650

Russell Henderson, FNP, Family Medicine
Medical Education: University of Alabama Huntsville
Board-Certified: American Nurses Credentialing Center, American Academy of Nurse Practitioners
Address: Creswell Clinic, 98 W. Oregon Ave., Creswell, OR 97426
Phone: 541-767-5200

Amy Howard, PA-C, Orthopedic Surgery
Medical Education: Pacific University
Board-Certified: National Commission on Certification of Physician Assistants
Address: RiverBend Pavilion, 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-6245

Matthew Kaiser, MD, Family Medicine
Medical School: University of Kansas School of Medicine
Internship/Residency: Family Medicine, Providence Family Medicine Spokane
Board-Eligible: Family Medicine
Address: South Eugene Clinic, 3299 Hilyard St., Eugene, OR 97405
Phone: 541-222-8620

Myung Kim, MD, Internal Medicine
Medical School: Ewha Woman's University School of Medicine
Residency: Internal Medicine, Methodist Hospital, Houston, Texas
Board-Eligible: Internal Medicine
Address: Santa Clara Clinic, 2484 River Road, Eugene, OR 97404
Phone: 541-222-7600

Kathryn Maxwell, DO, Internal Medicine
Medical School: Arizona College of Osteopathic Medicine
Internship/Residency: Internal Medicine, Virginia Mason Medical Center
Board-Certified: Internal Medicine
Address: University District Clinic, 1200 Hilyard St., Suite 230, Eugene, OR 97401
Phone: 458-205-6041

Sushanth Nayak, MD, Family Medicine
Medical School: K.S. Hedge Medical Academy
Internship/Residency: Family Medicine, South Illinois University School of Medicine
Board-Certified: Family Medicine
Address: University District Clinic, 1200 Hilyard St., Suite 230, Eugene, OR 97401
Phone: 458-205-6016

Joshua Pfeiffer, MD, Bariatric Surgery
Medical School: University of Washington
Internship/Residency: General Surgery, University of Illinois at Chicago
Fellowship: Advanced GI Minimally Invasive/Bariatric Surgery, Gunderson Health System
Board-Certified: Surgery
Address: Oregon Bariatric Center, 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-2700

Hang Pham, MD, Family Medicine
Medical School: University of Kansas School of Medicine
Residency: Family Medicine, Providence Family Medicine Spokane
Board-Eligible: Family Medicine
Address: University District Clinic, 1200 Hilyard St., Suite 230, Eugene, OR 97401
Phone: 458-205-6016

Jeanne Rasmussen, PA-C, Orthopedic Surgery
Medical Education: Pacific University
Board-Certified: National Commission on Certification of Physician Assistants​
Address: Orthopedic Surgery, 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-6245

Anne Richards, CNM, Obstetrics
Medical Education: Vanderbilt University School of Nursing
Board-Certified: American Midwifery Certification Board
Address: Nurse Midwifery Birthing Services, 353 Deadmond Ferry Road, Springfield, OR 97477
Phone: 541-222-7750

Susan Sanderson, MD, Endocrinology
Medical School: University of North Carolina School of Medicine
Internship/Residency: University of Utah School of Medicine
Fellowship: Endocrinology, University of Utah School of Medicine
Board-Certified: Endocrinology, Diabetes and Metabolism; Internal Medicine
Address: University District Clinic, 1200 Hilyard St., Suite 550, Eugene, OR 97401
Phone: 458-205-6543

Heather Schlessman, PNP, Pediatrics
Medical Education: University of Missouri - Kansas City
Board-Certified: Pediatric Nursing Certification Board
Address: RiverBend Pavilion, 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-8500

Vincent Siy, MD, Family Medicine
Medical School: University of Santo Tomas
Internship: Cardinal Santos Hospital
Internship/Residency: Family Medicine, Wheeling Hospital
Board-Eligible: Family Medicine
Address: Barger Clinic, 4010 Aerial Way, Eugene, OR 97402
Phone: 541-687-6353

Kurt Slater, DO, Neurology 
Medical School: Des Moines University Osteopathic Medical Center
Residency: Neurology, Kaiser Permanente Medical Center, Los Angeles
Board-Eligible: neurology
Address: RiverBend Pavilion, 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-6330

Sandra Smith, ARNP, Family Medicine
Medical Education: University of Cincinnati
Board-Certified: American Academy of Nurse Practitioners
Address: Santa Clara Clinic, 2484 River Road, Eugene, OR 97404
Phone: 541-222-7650

Nandakumar Srinivasan, MD, Gastroenterology
Medical School: Thanjavur Medical College
Internship/Residency: Internal Medicine, Oklahoma University Health Sciences Center
Fellowship: Gastroenterology, Mayo Clinic; Advanced Endoscopy, Virginia Mason Medical Center
Board-Certified: Internal Medicine
Board-Eligible
: Gastroenterology
Address: RiverBend Pavilion, 3377 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-6200

John West, MD, Orthopedic Surgery
Medical School: Wright State University, Boonshoft School of Medicine
Internship/Residency: Orthopedic Surgery, State University of New York at Buffalo
Fellowship: Sports Medicine, Cincinnati Sports Medicine & Orthopaedic Center, Noyes Knee Institute
Member: Arthroscopy Association of North America, American Orthopedic Society for Sports Medicine
Address: RiverBend Pavilion, 3377 RiverBend Drive, 3rd Floor, Springfield, OR 97477
Phone: 541-222-6245

Kenna Wood, DO, Internal Medicine
Medical School: Lake Erie College of Osteopathic Medicine
Internship/Residency: Internal Medicine, Samaritan Health Services
Board-Certified: Internal Medicine
Address: Barger Clinic, 4010 Aerial Way, Eugene, OR 97402
Phone: 541-687-6349

PeaceHealth Sacred Heart Medical Center

Erika Backstrom, NP, Enterstomal Therapy
Medical Education: Research College of Nursing
Board-Certified: American Nurses Credentialing Center
Address: 3333 River​Bend Drive, Springfield, OR 97477
Phone: 541-222-2560

Alan Garcin, NP, Neurology
Medical Education: California State University at Los Angeles
Board-Certified: American Nurses Credentialing Center
Address: 3333 RiverBend Drive, Springfield, OR 97477
Phone: 541-222-5144

Erin McPeak, PA-C, Neurosurgery
Medical Education: Butler University College of Pharmacy and Health Sciences
Board-Certified: National Commission on Certification of Physician Assistants
Address: Neurosurgery, 3311 RiverBend Drive, PHVI 3rd Floor, Springfield, OR 97477
Phone: 541-222-2880

Slocum Orthopedics

Allan Schmelzel, PA-C, Orthopedic Surgery
Medical Education: Butler University College of Pharmacy and Health Sciences
Board-Certified: National Commission on Certification of Physician Assistants
Address: 55 Coburg Road, Eugene, OR 97401
Phone: 541-485-8111

Willamette Valley Cancer Institute and Research Center

Wayne Ormsby, MD, Medical Oncology
Medical School: University of Virginia School of Medicine
Internship/Residency: Internal Medicine, University of Rochester/Strong Memorial Medical Center
Fellowship: Hematology/Oncology, Mayo Clinic
Board-Certified: Internal Medicine
Board-Eligible: Hematology, Medical Oncology
Address: 3377 RiverBend Drive, Suite 500, Springfield, OR 97477
Phone: 541-741-3451

Christopher Yasenchak, MD, Medical Oncology
Medical School: Pennsylvania State University
Internship/Residency: Internal Medicine, Mayo Clinic
Fellowship: Hematology/Oncology, Mayo Clinic
Board-Certified: Hematology, Medical Oncology
Address: 520 Country Club Road, Eugene, OR 97401
Phone: 541-683-5001

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