Our Physicians
The following surgeons are owner-investors in the Surgery Center at Tanasbourne.
- Brooke Benz, M.D.
- Christopher Carter, M.D.
- Megan Cavanaugh, M.D
- Sheldon Cober, M.D.
- David Cook, M.D.
- Christine Corbin, M.D.
- Joesph Frankhouse, M.D.
- Jason Gilster, M.D.
- C. Ed Irish, M.D.
- Johnson Jeffrey, M.D.
- Paul Kaplan, M.D.
- Tammy De La Melena, M.D.
- Joseph Stapleton, M.D.
The following surgeons are also credentialed to treat patients at
the Surgery Center at Tanasbourne.
Physician Assistants:
Brooke Benz, M.D.
- Specialty: Neurosurgery
- Board Certified: American Board of Neurological Surgery
- Education: University Of Minnesota, Minneapolis MN 1994
- Residency: John Hopkins Hospital Dept of Neurological Surgery Baltimore MD 2001
- Hospital Affiliations: Providence St Vincent Medical Center, Providence Portand Medical Center, Legacy Emanual Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Brooke Benz, M.D.
- Specialty: Orthopedics
- Board Certified: Orthopedics
- Education: Oregon Health and Science University, Portland, OR, 1980
- Residency: Maricopa County Medical Center, Phoenix, Arizona 1985
- Hospital Affiliations: Providence St. Vincent Medical Center/PPMC, Tuality Community Hospital, Providence Seaside Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Christopher Carter, M.D.
- Specialty: Gastroenterology
- Board Certified: Internal Medicine and Gastroenterology
- Education: University of Oregon Medical School, Portland, OR, 1978
- Residency: University of Arizona Health Science Center
- Fellowships: Maricopa Medical Center
- Hospital Affiliations: Providence St. Vincent Medical Center/PPMC
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Sheldon Cober, M.D.
- Specialty: Plastic Surgery
- Board Certified: Plastic and General Surgery
- Education: Temple University School of Medicine, Philadelphia, PA, 1990
- Residency: University of Southern California School of Medicine
- Fellowships: University of Washington School of Medicine
- Hospital Affiliations: Tuality Community Hospital, Legacy Portland Hospitals, Providence St. Vincent/PPMC,
Legacy Meridian Park - Surgery Center Affiliations: The Surgery Center at Tanasbourne
David Cook, M.D.
- Specialty: General Surgery
- Board Certified: General Surgery
- Education: Oregon Health and Science University, Portland, OR, 1984
- Residency: Oregon Health and Science University
- Hospital Affiliations: Providence St. Vincent Medical Center/PPMC, Legacy Meridian Park, Legacy Portland Hospital, Center for Speciality Surgery
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Christine Corbin, M.D.
- Specialty: Gynecology
- Board Certified: OBGYN
- Education: Northeastern Ohio Universities College of Medicine, Rootstown, OH, 1990
- Residency: Rush Presbyterian St Luke Medical Center
- Hospital Affiliations: Providence St. Vincent Medical Center/PPMC, Tuality Community Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Jason Gilster, M.D.
- Specialty: General Surgery
- Board Certified: General Surgery
- Education: Tulane University School Of Medicine, New Orleans, LA, 1996
- Residency: Oregon Health and Sciences University, Portland, Or 2002
- Hospital Affiliations: Providence St. Vincent Medical Center/PPMC,
Legacy Meridian Park - Surgery Center Affiliations: The Surgery Center at Tanasbourne
C. Ed Irish, M.D.
- Specialty: General Vascular Surgery
- Board Certified: General Surgery
- Education: University of Vermont College of Medicine, Burlington, VT, 1974
- Residency: Legacy Portland Hospitals, Oregon Health and Science University
- Fellowships: MD Anderson Cancer Center
- Hospital Affiliations: Providence St. Vincent Medical Center,
Legacy Portland Hospitals – Good Samaritan - Surgery Center Affiliations: The Surgery Center at Tanasbourne,
Surgery Associates PC
Tammy DeLa Melena, M.D.
- Specialty: General Vascular Surgery
- Board Certified: General Surgery
- Education: Oregon Health and Science University, Portland, OR, 1996
- Residency: Oregon Health and Science University
- Fellowships: Maricopa Medical Center
- Hospital Affiliations: Providence St. Vincent Medical Center/PPMC, Tuality Community Hospital, Legacy Portland Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Megan Cavanaugh, M.D.
- Specialty: Colon/Rectal Surgery
- Board Certified: General Surgery and Colon/Rectal Surgery
- Education: Tel Aviv University School of Medicine Tel Aviv-Yafo, Israel 1997 Fletcher Allen Health Care Vermont, 2003
- Residency: Presbyterian St. Lukes Medical Center, 2004
- Hospital Affiliations: Providence St. V Hospital, Providence Milwaukie, Providence Portland, Tuality Hospital, Legacy
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Megan Cavanaugh, M.D.
- Specialty: Colon/Rectal Surgery
- Board Certified: General Surgery and Colon/Rectal Surgery
- Education: Tel Aviv University School of Medicine Tel Aviv-Yafo, Israel 1997 Fletcher Allen Health Care Vermont, 2003
- Residency: Presbyterian St. Lukes Medical Center, 2004
- Hospital Affiliations: Providence St. V Hospital, Providence Milwaukie, Providence Portland, Tuality Hospital, Legacy
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Yama Dehqanzada, M.D.
- Specialty: Podiatry
- Education: California College of Podiatric Medicine Vallejo, CA 2000
- Residency: Good Samaritan Hospital and Medical Center Portland, OR 2003
- Hospital Affiliations: Good Samaritan Hospital, Providence Newberg, Legacy Meridian Park
- Surgery Center Affiliations: The Surgery Center at Tanasbourne and Oregon Outpatient Surgical Center
Joesph Frankhouse, M.D.
- Specialty: General Surgery and Colon and Rectal Surgery
- Board Certified: General Surgery and Colon and Rectal Surgery
- Education: Emory University School of Medicine Atlanta, GA 1990, LA Co-USC Med Ctr California 1997, University of S. CAL/LAC & USC 2007
- Residency: Dartmouth College, Hanover, NH 1985
- Hospital Affiliations: Tuality Hospital, Good Samaritan Hospital, Providence Portland Medical Center and Providence Milwaukie Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Steven Gabel, M.D.
- Specialty: Otolaryngology and Facial Plastic & Reconstructive Surgery
- Board Certified: Otolaryngology and Facial Plastic & Reconstructive Surgery
- Education: Loyola Universityof Chicago Stritch School Of Medicine Maywood, IL 1995
- Residency: Loyola University Medical Center Maywood, Il 2000
- Hospital Affiliations: Tuality Community Hospital and Tuality Forest Grove
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Michael Gentile, D.P.M.
- Specialty: Podiatry
- Education: California College of Podiatric Medicine, Oakland, California 2001
- Residency: Presbyterian St. Lukes Medical Center, 2004
- Hospital Affiliations: Providence St. Vincent Medical Center/PPMC, Legacy Meridian Park, Legacy Portland Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne, Oregon Outpatient Surgery Center
Pankaj Gore, M.D.
- Specialty: Neurological Surgery
- Education: Washington University School of Medicine St. Louis, Missouri 2001
- Residency: Barrow Neurological Institute St Josephs Hospital 2008
- Hospital Affiliations: Providence St Vincent Medical Center, Providence Portand Medical Center, Legacy Health Systems
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
David Grunkemeier, M.D.
- Specialty: Gastroeneterology
- Board Certified: Internal Medicine and Gastroenterology
- Education: University of California At San Diego School Of Medicine LaJolla, CA 2000
- Residency: Oregon Helath & Science University Portland, OR 2003
- Hospital Affiliations: Providence St. V Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Larry Heinonen, M.D.
- Specialty: Gastroenterology
- Board Certified: Internal Medicine and Gastroenterology
- Education: Oregon State Corvallis, Or 1970 and Oregon Health & Science University Portland, OR 1974
- Residency: Providence St. V Hospital Portland, Or 1979
- Hospital Affiliations: Providence St. V Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Johnson Jeffrey, M.D.
- Specialty: Neuorsurgery
- Board Certified: Neuorsurgery
- Education: Columbia University NY, NY 1990
- Residency: Columbia Presbyterian NY, NY 1997
- Hospital Affiliations: Providence St. V Medical Center, Providence Portland Medical Center, Legacy Portland Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Paul Kaplan, M.D.
- Specialty: Otolaryngology
- Board Certified: Otolaryngology
- Education: Tufts University Boston, MA 1975
- Residency: University California San Diego 1980
- Hospital Affiliations: Providence St. Vincent Medical Center, Legacy Portland, OHSU
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Angela Keating, M.D.
- Specialty: OBGYN
- Board Certified: OBGYN
- Education: University of Minnesota School of Medicine, Minneapolis, MN, 1993
- Residency: University Hospital/University of Cincinnati of MED
- Hospital Affiliations: Providence St. Vincent Medical Center, Legacy Portland Hospitals
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Shane Kim, M.D.
- Specialty: Plastic Surgery and Plastic Surgery of the Hand
- Education: University of Kansas School of Medicine 2002
- Residency: University of Kansas Medical Center 2008
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Michael Klotz, M.D.
- Specialty: Obstetrics and Gynecology
- Board Certified: Obstetrics and Gynecology
- Education: University of Washington School of Medicine, Seattle, WA 1986
- Residency: State University of New York, Stony Brook, NY 1990
- Hospital Affiliations: Providence St. Vincent Medical Center, Legacy Portland Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
George Koval, M.D.
- Specialty: Gastroenterology
- Board Certified: Internal Medicine and Gastroenterology
- Education: University of Pittsburgh School of Medicine Pittsburgh, PA 1978
- Residency: Michigan State Affiliated Hospital/Butterworth Hospital Grand Rapids, MI 1981
- Hospital Affiliations: Providence St. Vincent
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
John Lobitz, M.D.
- Specialty: Gastroenterology
- Board Certified: Internal Medicine and Gastroenterology
- Education: Oregon Health & Science University Portland, Or 1974
- Residency: University of Colorado Medical Center Denver, Co 1977
- Hospital Affiliations: Providence St. V Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Mark Norling, M.D.
- Specialty: Pain Management
- Board Certified: Anesthesiology and Pain Management
- Education: Oregon Health & Science University Portland, OR 1987
- Residency: University of Illinois Medical Center Chicago, Il 1991
- Hospital Affiliations: Providence Portland Medical Center
- Surgery Center Affiliations: The Surgery Center at Tanasbourne, Northwest Ambulatory Surgical Center
Michael Owens, M.D.
- Specialty: Gastroenterology
- Board Certified: Internal Medicine and Gastroenterology
- Education: University of Kansas Medical School, Kansas City, KS 1997
- Residency: Washington University Barnes Jewish Hospital, St Louis, MO 2000
- Hospital Affiliations: Providence St. V Hospital and Legacy Meridian Park Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Susan D. Payne, M.D.
- Specialty: OBGYN
- Board Certified: OBGYN
- Education: University of California Irvine College of Medicine 06/1991 Irvine, California
- Residency: University of California at San Diego Medical Center
- Hospital Affiliations: Providence St. Vincent Medical Center
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Jeffery Penikas, M.D.
- Specialty: OB/GYN
- Board Certified: OB/GYN
- Education: University of Rochester, Rochester, NY 1988
- Residency: University Of Rochester Strong Memorial Hospital Rochester, NY 1992
- Hospital Affiliations: Legacy Hospital, Providence St V Medical Center
- Surgery Center Affiliations: The Surgery Center at Tanasbourne, Pearl Women’s Surgicenter
Elizabeth A. Reindl, M.D.
- Specialty: OBGYN
- Board Certified: OBGYN
- Education: St. Louis University School of Medicine, St. Louis, MO, 1996
- Residency: Hospital of the University of Pennsylvania Office Of Medical Affairs
- Hospital Affiliations: Providence St. Vincent Medical Center
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Camilo Rosales, M.D.
- Specialty: General Surgery
- Board Certified: Surgery
- Education: University of California Los Angeles David Geffen School Of Medicine LA, CA 1982
- Residency: University of Colorado Health Sciences Center, Denver, Co 1985 Nassau County Medical, East Meadow, NY 1989
- Hospital Affiliations: Providence Newberg, Maui Memorial Medical Center
- Surgery Center Affiliations: The Surgery Center at Tanasbourne, Aloha Health South Surgicenter
Ronald Ruff, M.D.
- Specialty: Anesthesiology and Pain Management
- Board Certified: Anesthesiology
- Education: University of California San Diego, CA 1982
- Residency: Mercy Hospital, San Diego, CA 1985
- Hospital Affiliations: Providence St. V Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne, Oregon Outpatient Surgery Center
Michael Sandquist, M.D.
- Specialty: Neurological Surgery
- Board Certified: American Board of Neurological Surgery
- Education: University of New Mexico School of Medicine 1997
- Residency: University of New Mexico School of Sciences Center 1999 Oregon Health And Sciences University 2004
- Hospital Affiliations: Providence St Vincent Medical Center, Providence Portand Medical Center, Legacy Emanual Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Mitchell J. Strauss, M.D.
- Specialty: OBGYN
- Board Certified: OBGYN
- Education: St Louis University School of Medicine, St. Louis, MO, 1991
- Residency: OBGYN Residency St. Francis Hospital and Medical Center
- Hospital Affiliations: Providence St. Vincent Medical Center, Legacy Portland Hospitals, Oregon Health and Science University
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Doug Shumaker, M.D.
- Specialty: Gastroenterology
- Board Certified: Internal Medicine and Gastroenterology
- Education: Oregon Health & Science University, Portland, Or 1994
- Residency: Providence St. V Hospital, Portland OR 1998
- Hospital Affiliations: Providence St V. Hospital and Legacy Meridian Park Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Rodger Sleven, M.D.
- Specialty: Gastroenterology
- Board Certified: Internal Medicine and Gastroenterology
- Education: University of California San Fransisco School Of Medicine, San Fransisco, CA 1976
- Residency: Providence St. V. Hospital, Portland Or 1980 and Oregon Health & Science University, Portland, OR 1979
- Hospital Affiliations: Providence St. V Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Joseph Stapleton, M.D.
- Specialty: Anesthesiology and Pain Management
- Board Certified: Anesthesiology and Pain Management
- Education: Oregon Health & Science University Portland, OR 1982
- Residency: Oregon Health & Science University Portland, OR 1985
- Hospital Affiliations: Providence Portland Medical Center, Providence St. V Medical Center, Meridian Park Hospital, Providence Newberg
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Jason Surratt, M.D.
- Specialty: Podiatry
- Board Certified: Podiatry
- Education: California College of Podiatric Medicine, Vallejo, CA 1998
- Residency: Legacy Emanual Hospital, Portland, OR 2000, Legacy Portland Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne, Oregon Outpatient Surgery Center, NW Ambulatory Surgical Center
Ronald Teed, M.D.
- Specialty: Orthopedics
- Board Certified: Orthopedics
- Education: Oregon Health and Sciences University, Portland, Or 1990
- Residency: Oregon Health and Sciences University, Portland, Or 1997
- Hospital Affiliations: Providence St. Vincent Medical Center/PPMC, Tuality Community Hospital, Tillamook County General Hospital, Samaritan North Lincoln Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Lisa Ann Thum, M.D.
- Specialty: OBGYN
- Board Certified: OBGYN
- Education: Baylor College of Medicine, Houston, TX, 1994
- Residency: Baylor College of Medicine
- Hospital Affiliations: Providence St. Vincent Medical Center, Legacy Portland Hospitals
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Cristian Vallejos, M.D.
- Specialty: Gastroenterology
- Board Certified: Internal Medicine and Gastroenterology
- Education: University Of California San Diego Medical Center, LaJolla, CA 2000
- Residency: Dept. Of Graduate Medical Education Baylor College of Medicine Houston, Tx, 2004
- Hospital Affiliations: Providence St. Vincent Medical Center
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Kim-Chi Vu, M.D.
- Specialty: Plastic Surgery
- Board Certified: Plastic Surgery
- Education: Oregon Health and Science University, Portland, OR, 1995
- Residency: Oregon Health and Science University
- Fellowships: Oregon Health and Science University – Hand Surgery, Oregon Health and Science University – Plastic Surgery
- Hospital Affiliations: Providence St. Vincent Medical Center, Tuality Community Hospital, Legacy Portland Hospitals
- Hospital Affiliations: In Process: Legacy Meridian Park Hospital, Providence Newberg Medical Center
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
John Voss
- Specialty: Physicians Assist
- Board Certified: Physicians Assist
- Education: Pacific University Forest Grove, OR 1999
- Residency: Loyola University Medical Center Maywood, Il 2003
- Hospital Affiliations: Providence St. V. Medical Center, Tuality Community Hospital, Providence Seaside Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Jeff Weprin, M.D.
- Specialty: Gastroeneterology
- Board Certified: Internal Medicine and Gastroenterology
- Education: University of Cincinnati, OH 2000
- Residency: Loyola University Medical Center Maywood, Il 2003
- Hospital Affiliations: Providence St. Vincent Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Diane Williams, M.D.
- Specialty: Gastroeneterology
- Board Certified: Internal Medicine and Gastroenterology
- Education: College of Osteopathic Medicine of the Pacific Western Health Science University, Pomona, CA 1986
- Residency: Oregon Health & Science University Portland, OR 1989
- Hospital Affiliations: Providence St. Vincent Hospital
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
Carmel Wimber
- Specialty: Physicians Assist
- Board Certified: Physicians Assist
- Education: Pacific University Forest Grove, OR 2009
- Hospital Affiliations: Application in for Providence St. V Hospital 2009
- Surgery Center Affiliations: The Surgery Center at Tanasbourne
