HealthcareDiscovery.AI / Doctors / California / Walnut Creek / Diagnostic Radiology

Diagnostic Radiology in Walnut Creek, California

Data updated monthly · Last refresh September 2026

99 Diagnostic Radiology providers practice in Walnut Creek, and 16% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Diagnostic Radiology 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. Keith Tao, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-1756
Dr. Keyvan Nouri, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Kimberly Blumberg, M.D
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Kirk So, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Kit Tittiranonda, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Less Chafen, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Lindsay Cheng, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Lloyd Gordon, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Mark Goldsmith, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Mark Tu, M.D.
Walnut Creek, CA · $35 in drug and device payments (2025) · (925) 296-7150
Dr. Marsha Roberts, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7156
Dr. Molly Honegger, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7156
Dr. Norman Moscow
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Osamu Kaneko, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 393-6970
Dr. Patrick Ryan, MD
Walnut Creek, CA · $15 in drug and device payments (2025) · (310) 619-5106
Dr. Philip Rich, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Ralph Mutchler, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Riaz Dhanani, MD
Walnut Creek, CA · $195 in drug and device payments (2025) · (925) 296-7150
Dr. Richard Baxter, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Richard Sigel, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Richard Yu, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Robert Binder
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Robert Schick, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Robinson Yu, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Ronald Chan, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Royce Chrys, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Ruby Chang, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Samuel Choi, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7156
Dr. Sangeeta Gambhir, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Sapna Reddy, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Saurabh Patel, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Scott Lipson, MD
Walnut Creek, CA · $771 in drug and device payments (2025) · (925) 296-7150
Dr. Shervine Shirazi, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Shlomo Leibowich, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Sidney Chan, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Siva Raman
Walnut Creek, CA · No drug or device payments recorded (2025) · (410) 955-5173
Dr. Stephen Hesseltine, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Sung Kim, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Sunil Gandhi, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Susan Cha, M.D.
Walnut Creek, CA · $14,115 in drug and device payments (2025) · (925) 296-7150
Dr. Susan Fertig
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Tom Joseph, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Usha Chundru Murphy, M.D.
Walnut Creek, CA · $43 in drug and device payments (2025) · (925) 329-3710
Dr. Victoria Flavell, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Vincent Wong, MD
Walnut Creek, CA · $89 in drug and device payments (2025) · (925) 296-7150
Dr. Vishal Panchal, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Vivian Wing, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7156
Dr. William Hoddick, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150
Dr. Ying Fung, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-7150

Common questions

How many Diagnostic Radiology providers are in Walnut Creek, California?

There are 99 Diagnostic Radiology providers with active NPI records practicing in Walnut Creek, according to federal NPPES data refreshed monthly.

How many Diagnostic Radiology providers in Walnut Creek received drug or device company payments?

16 of 99 (16%) 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 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 Diagnostic Radiology across California

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.