HealthcareDiscovery.AI / Doctors / Oregon / Portland / Orthopaedic Surgery of the Spine

Orthopaedic Surgery of the Spine in Portland, Oregon

Data updated monthly · Last refresh September 2026

12 Orthopaedic Surgery of the Spine providers practice in Portland. Listings are drawn from federal public records and are not endorsements.

Orthopaedic Surgery of the Spine providers in Portland

Listed alphabetically. 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. Clifford Lin, BSC, MD, MASC, FRCSC
Portland, OR · $10,878 in drug and device payments (2025) · Telehealth · (503) 494-6316
Dr. Durairaj Jagajeevanram, M.D
Portland, OR · No drug or device payments recorded (2025) · (503) 494-9000
Dr. Emily Nguyen, MD
Portland, OR · $138 in drug and device payments (2025) · Telehealth · (503) 224-8399
Dr. George Oji, M.D.
Portland, OR · $2,397 in drug and device payments (2025) · (503) 214-5200
Dr. Jeffrey Flemming, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 215-0703
Dr. Jonathan Kark, MD
Portland, OR · $294 in drug and device payments (2025) · Telehealth · (503) 418-8993
Dr. Jung Yoo, MD
Portland, OR · $2,261 in drug and device payments (2025) · Telehealth · (503) 494-6400
Dr. Mark Manoso, MD
Portland, OR · $371 in drug and device payments (2025) · (503) 214-5200
Dr. Renuka Reddy Kuruvalli, M.D
Portland, OR · No drug or device payments recorded (2025) · (503) 494-8991
Dr. Satoshi Kawaguchi, M. D
Portland, OR · No drug or device payments recorded (2025) · (503) 494-5842
Dr. Sourabh Mukherjee, MD
Portland, OR · No drug or device payments recorded (2025) · (503) 418-9888
Dr. Travis Philipp, MD
Portland, OR · No drug or device payments recorded (2025) · Telehealth · (503) 494-8311

Common questions

How many Orthopaedic Surgery of the Spine providers are in Portland, Oregon?

There are 12 Orthopaedic Surgery of the Spine providers with active NPI records practicing in Portland, according to federal NPPES data refreshed monthly.

Where does this data come from?

Provider records 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.

All specialties in Portland Orthopaedic Surgery of the Spine across Oregon

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.