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Internal Medicine in Walnut Creek, California

Data updated monthly · Last refresh September 2026

184 Internal Medicine providers practice in Walnut Creek, and 26% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Internal Medicine 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. Matthew Walvick, D.O.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-9740
Dr. Maureen Stevenson, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-9720
Dr. Meena Dopp, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (415) 525-3527
Dr. Meena Rijhwani, M.D.
Walnut Creek, CA · $96 in drug and device payments (2025) · Telehealth · (925) 296-9730
Dr. Meera Jagannath, DO
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-6973
Dr. Megha Ambati
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 947-3312
Dr. Mei Chow-kwan, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 947-0417
Dr. Michael Park, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Michael Weiss, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Monica Ruiz Durant, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 899-2710
Dr. Monique Delisser, M.D.
Walnut Creek, CA · $133 in drug and device payments (2025) · Telehealth · (925) 935-2333
Dr. M.y. James Lee, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Mysore Shilpa, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 947-3393
Dr. Nancy Chang, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 906-2000
Dr. Nason Azizi, M.D.
Walnut Creek, CA · $23 in drug and device payments (2025) · (925) 947-3312
Dr. Natalie Chang, M.D.
Walnut Creek, CA · $79 in drug and device payments (2025) · Telehealth · (925) 296-9740
Dr. Natalie Chang, D.O.
Walnut Creek, CA · $19 in drug and device payments (2025) · (925) 295-4070
Dr. Nathan Nguyen, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4050
Dr. Neesha Pammi, M.D.
Walnut Creek, CA · $625 in drug and device payments (2025) · Telehealth · (925) 930-9978
Dr. Nellia Karakozova, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Nicholas Fong, DO
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Nicole Hickey, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Noushin Haddad-tehrani, MD
Walnut Creek, CA · $952 in drug and device payments (2025) · Telehealth · (925) 947-0417
Dr. Patricia Anne Atal
Walnut Creek, CA · $117 in drug and device payments (2025) · (925) 295-4000
Dr. Patricia Moreno, MD
Walnut Creek, CA · $23 in drug and device payments (2025) · (925) 295-4000
Dr. Paul Endo, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-9740
Dr. Paul Korn, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 906-2000
Dr. Poornima Goyal, M.D.
Walnut Creek, CA · $20 in drug and device payments (2025) · Telehealth · (925) 296-9707
Dr. Poysophon Poysophon
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Rajesh Joshi, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 947-3312
Dr. Rashmi Jain, M.D
Walnut Creek, CA · $212 in drug and device payments (2025) · (925) 937-9807
Dr. Rebecca Parish, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-9740
Dr. Reza Esmaeil Saveh, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Richard Raffel, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Richard Weinstein, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 952-2888
Dr. Robert Hardy, M.D.
Walnut Creek, CA · $1,548 in drug and device payments (2025) · Telehealth · (925) 378-4040
Dr. Robert Noriega, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (415) 284-9400
Dr. Robert Sosa, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Ronald Yang, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 906-2000
Dr. Ross Pirkle, M.D.
Walnut Creek, CA · $1,602 in drug and device payments (2025) · Telehealth · (925) 378-4040
Dr. Roxanne Mcdaniel, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Rujuta Manghani, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-9000
Dr. Runjhun Misra, D.O.
Walnut Creek, CA · $72 in drug and device payments (2025) · Telehealth · (925) 947-3312
Dr. Russell Everest, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 947-3393
Dr. Samuel Tseng, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Sangeeta Baronia, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Sarah Rahman, M.D.
Walnut Creek, CA · $156 in drug and device payments (2025) · (925) 296-9720
Dr. Sara Qasim Bughio, M.D
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 947-3393
Dr. Scott Morehouse, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 947-3393
Dr. Sergei Schegolev, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 296-9000

Conditions Internal Medicine providers in Walnut Creek, California commonly treat

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

Common questions

How many Internal Medicine providers are in Walnut Creek, California?

There are 184 Internal Medicine providers with active NPI records practicing in Walnut Creek, according to federal NPPES data refreshed monthly.

How many Internal Medicine providers in Walnut Creek received drug or device company payments?

47 of 184 (26%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Internal Medicine providers in Walnut Creek treat?

Internal Medicine providers in Walnut Creek commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management 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 Internal Medicine 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.