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Orthopaedic Surgery in Walnut Creek, California

Data updated monthly · Last refresh September 2026

29 Orthopaedic Surgery providers practice in Walnut Creek, and 45% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Orthopaedic Surgery providers in Walnut Creek

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. Abhindrajeet Sandhu, MD
Walnut Creek, CA · $120 in drug and device payments (2025) · (925) 295-4000
Dr. Afshin Anoushiravani
Walnut Creek, CA · $3,957 in drug and device payments (2025) · (925) 256-2107
Dr. Craig Boulris, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Craig Gyory, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Craig Wiseman, M.D.
Walnut Creek, CA · $891 in drug and device payments (2025) · (925) 939-8585
Dr. Damon Ng, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (209) 689-8008
Dr. David Contreras, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 939-8585
Dr. Debra Schenk, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Douglas Lange, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 939-8585
Dr. Douglas Mason, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Eugene Bobroff, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. George Tischenko, M.D.
Walnut Creek, CA · $94 in drug and device payments (2025) · Telehealth · (925) 939-8585
Dr. Jason Ho, M.D.
Walnut Creek, CA · $50 in drug and device payments (2025) · (925) 295-4000
Dr. Jeffrey Luo, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Joanne Kim, MD
Walnut Creek, CA · $117 in drug and device payments (2025) · (925) 295-4000
Dr. John Knight, M.D.
Walnut Creek, CA · $199 in drug and device payments (2025) · (925) 939-8585
Dr. John Kronick, M.D.
Walnut Creek, CA · $58 in drug and device payments (2025) · (925) 939-8585
Dr. John Woll, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Leo Calafi, MD
Walnut Creek, CA · $702 in drug and device payments (2025) · (925) 939-8585
Dr. Louay Toma, M.D.
Walnut Creek, CA · $7,850 in drug and device payments (2025) · Telehealth · (925) 939-8585
Dr. Nima Eftekhary, M.D.
Walnut Creek, CA · $237 in drug and device payments (2025) · (925) 295-4130
Dr. Paul Nottingham, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 937-3004
Dr. Robert Buckley, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 939-8585
Dr. Robert Flaig, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 932-4514
Dr. Sabina Vonglinski, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Sean Griffiths, D.O.
Walnut Creek, CA · $688 in drug and device payments (2025) · (925) 939-8585
Dr. Thomas Phuriphan, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. William Cimino, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. William Workman, M.D.
Walnut Creek, CA · $5,123 in drug and device payments (2025) · Telehealth · (925) 944-0110

Conditions Orthopaedic Surgery providers in Walnut Creek, California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Orthopaedic Surgery providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Orthopaedic Surgery providers are in Walnut Creek, California?

There are 29 Orthopaedic Surgery providers with active NPI records practicing in Walnut Creek, according to federal NPPES data refreshed monthly.

How many Orthopaedic Surgery providers in Walnut Creek received drug or device company payments?

13 of 29 (45%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Orthopaedic Surgery providers in Walnut Creek treat?

Orthopaedic Surgery providers in Walnut Creek commonly treat knee replacement, hip replacement, rotator cuff tears, ACL injuries, arthritis and related conditions. Individual practices vary, so confirm with the provider before booking.

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 Walnut Creek Orthopaedic Surgery across California

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.