Cardiothoracic Surgeons in Oregon
Data updated monthly · Last refresh October 2026
67 Thoracic Surgery (Cardiothoracic Vascular Surgery) providers practice in Oregon, including 12 (18%) offering telehealth. The largest concentration is in Portland. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
67providers
12telehealth
Portlandtop city
Thoracic Surgery (Cardiothoracic Vascular Surgery) by city in Oregon
Choose a city to see providers there.
Where Cardiothoracic Surgeons in Oregon practice
From CMS Medicare enrollment records covering 32 of the 67 providers listed here (48%). Providers who do not bill Medicare are not included in these figures.
0%solo or small practice (under 10 clinicians)
3%mid-size group (10 to 99)
97%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Cardiothoracic Surgeons | All clinicians in group | Main city |
| University Professional Services | 10 | 1,683 | Portland |
| Providence Health and Services Oregon | 7 | 1,423 | Portland |
| Legacy Clinics LLC | 3 | 714 | Portland |
| St Charles Health System Inc. | 3 | 379 | Bend |
| Portland Adventist Medical Center | 3 | 273 | Portland |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Cardiothoracic Surgeons affiliated |
| Ohsu Hospital and Clinics | Portland | Nonprofit | 3 of 5 | 10 |
| Providence St Vincent Medical Center | Portland | Nonprofit | 4 of 5 | 6 |
| Providence Portland Medical Center | Portland | Nonprofit | 4 of 5 | 5 |
| Providence Newberg Medical Center | Newberg | Nonprofit | 4 of 5 | 4 |
| Legacy Emanuel Medical Center | Portland | Nonprofit | 3 of 5 | 3 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Oregon
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Angelo Vlessis, MD, PHDBend, OR · No drug or device payments recorded (2025) ·
(541) 388-1636 Dr. David Tse, MDClackamas, OR · No drug or device payments recorded (2025) ·
(503) 571-6142 Dr. Rabin Gerrah, M.D.Corvallis, OR · $390 in drug and device payments (2025) · Telehealth ·
(541) 768-5223 Dr. Steven Guyton, MD, MHACorvallis, OR · No drug or device payments recorded (2025) ·
(541) 768-5223 Dr. Edward Mcclure, M.D.Klamath Falls, OR · No drug or device payments recorded (2025) ·
(541) 883-3391 Dr. Charles Carmeci, MDMedford, OR · $813 in drug and device payments (2025) ·
(541) 789-5710 Dr. David Folsom, MDMedford, OR · No drug or device payments recorded (2025) ·
(541) 789-5710 Dr. George Wilkinson, MDMedford, OR · No drug or device payments recorded (2025) ·
(541) 773-5541 Dr. Nicholas Engstrom, MDMedford, OR · $223 in drug and device payments (2025) ·
(541) 789-5790 Dr. Roger Hall, MDMedford, OR · No drug or device payments recorded (2025) ·
(541) 789-5710 Dr. Sanjeev Sharma, MDMedford, OR · $150 in drug and device payments (2025) ·
(541) 732-7850 Dr. Albert Krause, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 226-6321 Dr. Andrew Tsen, MDPortland, OR · $580 in drug and device payments (2025) ·
(503) 226-6321 Dr. Areo Saffarzadeh, M.D.Portland, OR · $11,261 in drug and device payments (2025) · Telehealth ·
(503) 215-2300 Dr. Ashok Muralidaran, MDPortland, OR · $789 in drug and device payments (2025) ·
(503) 418-6825 Dr. Aubyn Marath, MBBS.MS.FRCSEDPortland, OR · $28,175 in drug and device payments (2025) ·
(503) 494-4190 Dr. Brandon Tieu, MDPortland, OR · $5,886 in drug and device payments (2025) · Telehealth ·
(503) 494-7820 Dr. Castigliano Bhamidipati, DO, PHD, MSCPortland, OR · $19,324 in drug and device payments (2025) ·
(503) 494-7820 Dr. David Chen, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 215-2300 Dr. Duane Bietz, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 550-3379 Dr. Emery Douville, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 962-1020 Dr. Eric Kirker, MDPortland, OR · $1,148 in drug and device payments (2025) · Telehealth ·
(503) 216-8670 Dr. Frederick Tibayan, MDPortland, OR · $666 in drug and device payments (2025) ·
(503) 494-7820 Dr. Gary Ott, MDPortland, OR · $714 in drug and device payments (2025) ·
(503) 216-8670 Dr. Gurion LantzPortland, OR · $6,652 in drug and device payments (2025) ·
(503) 494-7820 Dr. Hagop Hovaguimian, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 296-4027 Dr. Heather Merry, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-2300 Dr. Howard Song, MDPortland, OR · $9,033 in drug and device payments (2025) ·
(503) 494-7820 Dr. H. Storm Floten, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 297-1419 Dr. Irving Shen, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 418-5443 Dr. James Asaph, M.D.Portland, OR · No drug or device payments recorded (2025) ·
(503) 292-9622 Dr. Jeffrey Boskind, M.D.Portland, OR · $6,126 in drug and device payments (2025) ·
(503) 256-1575 Dr. Jeffrey Swanson, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 216-8670 Dr. John Handy, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 215-2300 Dr. John Iguidbashian, MDPortland, OR · $58 in drug and device payments (2025) ·
(503) 296-4027 Dr. John Lemmer, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 226-6321 Dr. Jonathan Daniel, MDPortland, OR · $7,043 in drug and device payments (2025) ·
(503) 297-1419 Dr. Jonathan Hill, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 226-6321 Dr. Joseph Okies, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 226-6321 Dr. Julie Doberne, M.D., PH.D.Portland, OR · $1,269 in drug and device payments (2025) ·
(503) 494-7820 Dr. Kai Engstad, M.D.Portland, OR · $145 in drug and device payments (2025) ·
(503) 226-6321 Dr. Kevin Koomalsingh, MDPortland, OR · $6,871 in drug and device payments (2025) · Telehealth ·
(503) 216-8670 Dr. Mark Martin, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 266-6321 Dr. Michael Kilbourne, M.D.Portland, OR · $88 in drug and device payments (2025) · Telehealth ·
(503) 494-7820 Dr. Michael Lavrsen, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 418-6825 Dr. Mithran Sukumar, MDPortland, OR · No drug or device payments recorded (2025) ·
(503) 494-7820 Common questions
How many Thoracic Surgery (Cardiothoracic Vascular Surgery) providers are in Oregon?There are 67 Thoracic Surgery (Cardiothoracic Vascular Surgery) providers with active NPI records practicing in Oregon, according to federal NPPES data refreshed monthly.
Do Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Oregon offer telehealth?Yes. 12 of the 67 Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Oregon (about 18%) report offering telehealth services in CMS data.
Which cities in Oregon have the most Thoracic Surgery (Cardiothoracic Vascular Surgery) providers?Portland (45), Medford (6), Bend (5) have the highest concentration of Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Oregon.
How many Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Oregon received drug or device company payments?38 of 67 Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in Oregon (57%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Cardiothoracic Surgeons in Oregon work in independent practices or large health systems?Among 32 Cardiothoracic Surgeons in Oregon enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 3% through a mid-size group of 10 to 99, and 97% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Cardiothoracic Surgeons in Oregon work at?According to CMS facility affiliation records, the Oregon hospitals where the most Cardiothoracic Surgeons hold privileges are Ohsu Hospital and Clinics in Portland; Providence St Vincent Medical Center in Portland; Providence Portland Medical Center in Portland.
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