Cardiologists in California
Data updated monthly · Last refresh October 2026
2,570 Cardiovascular Disease providers practice in California, including 951 (37%) offering telehealth. The largest concentration is in Los Angeles. 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.
2,570providers
951telehealth
Los Angelestop city
Cardiovascular Disease by city in California
Choose a city to see providers there.
Cardiovascular Disease providers in California
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. Christiane Haeffele, MDStanford, CA · $12,170 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Colette Dejong, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Daniel GerberStanford, CA · $180 in drug and device payments (2025) ·
(650) 723-4000 Dr. Daniel Li, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. David Liang, M.D., PH.D.Stanford, CA · $680 in drug and device payments (2025) · Telehealth ·
(650) 723-8146 Dr. David Maron, MDStanford, CA · $13,032 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Duy Nguyen, MDStanford, CA · $82 in drug and device payments (2025) ·
(650) 723-4000 Dr. Eleanor Levin, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Ellamae Stadnick, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 380-3766 Dr. Euan Ashley, MDStanford, CA · $508,091 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Evaline Cheng, MDStanford, CA · $119 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Fatima Rodriguez, MDStanford, CA · $71,982 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Francis Koch, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Gabriela Drago-spencer, MDStanford, CA · $1,648 in drug and device payments (2025) ·
(650) 723-4000 Dr. Gaurav Parmar, MDStanford, CA · $116 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Hadas Shiran, M.D.Stanford, CA · $58 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Hannah Valantine, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Han ZhuStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Ibrahim Alfaris, MDStanford, CA · $2,345 in drug and device payments (2025) ·
(650) 723-8561 Dr. Ibrahim El Masri, M.D.Stanford, CA · $3,138 in drug and device payments (2025) ·
(917) 514-3559 Dr. Ingela Schnittger, M.D.Stanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Jack O'sullivan, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Jason Tso, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Jeffrey Lin, M.D.Stanford, CA · $162 in drug and device payments (2025) ·
(650) 723-6661 Dr. Jena Pizula, MDStanford, CA · $109 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Jessica Mega, MDStanford, CA · $124 in drug and device payments (2025) ·
(650) 723-4000 Dr. Jiwen Li, MDStanford, CA · $119 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. John Schroeder, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Joseph Wu, MDStanford, CA · $17 in drug and device payments (2025) ·
(650) 723-4000 Dr. Joshua Knowles, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Joshua Lehrer-graiwer, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-6141 Dr. Joshua Spin, MD, PHDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 498-4810 Dr. June Wha Rhee, MDStanford, CA · $150 in drug and device payments (2025) · Telehealth ·
(650) 498-4560 Dr. Juwono Sutedjo, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Kaartiga Sivanesan, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Karen Friday, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Keane Lee, M.D.Stanford, CA · No drug or device payments recorded (2025) ·
(650) 725-4183 Dr. Kegan Moneghetti, MBBS (HONS)Stanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Kenneth Mahaffey, MDStanford, CA · $60,575 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Kenneth Sakamoto, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Koen Nieman, MDStanford, CA · $338 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Lee Clarke, M.D., PH.D.Stanford, CA · $26 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Lynette Lissin, MDStanford, CA · $181 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Mark Hlatky, MDStanford, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Matthew Whitlock, MDStanford, CA · $48 in drug and device payments (2025) ·
(650) 723-4000 Dr. Maxime Tremblay-gravelStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Michael Fowler, MB, FRCPStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-7846 Dr. Michael Liu, MD, PHDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-6661 Dr. Michael Mcconnell, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Mirela Tuzovic, M.D.Stanford, CA · $443 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Conditions Cardiovascular Disease providers in California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Cardiovascular Disease providers. Individual practices vary, so confirm with the provider before booking.
- Coronary artery disease
- Heart failure
- Atrial fibrillation
- High blood pressure
- High cholesterol
Common questions
How many Cardiovascular Disease providers are in California?There are 2,570 Cardiovascular Disease providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Cardiovascular Disease providers in California offer telehealth?Yes. 951 of the 2,570 Cardiovascular Disease providers in California (about 37%) report offering telehealth services in CMS data.
Which cities in California have the most Cardiovascular Disease providers?Los Angeles (243), San Francisco (137), Sacramento (121) have the highest concentration of Cardiovascular Disease providers in California.
How many Cardiovascular Disease providers in California received drug or device company payments?1,564 of 2,570 Cardiovascular Disease providers in California (61%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Cardiovascular Disease providers in California treat?Cardiovascular Disease providers commonly treat coronary artery disease, heart failure, atrial fibrillation, high blood pressure, high cholesterol and related conditions. Individual practices vary, so confirm with the provider before booking.
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 Cardiologists in California work in independent practices or large health systems?Among 1,676 Cardiologists in California enrolled in Medicare, 28% bill through a solo or small practice with fewer than 10 clinicians, 11% through a mid-size group of 10 to 99, and 62% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Cardiologists in California work at?According to CMS facility affiliation records, the California hospitals where the most Cardiologists hold privileges are Cedars-Sinai Medical Center in Los Angeles; Stanford Health Care in Stanford; Ronald Reagan UCLA Medical Center in Los Angeles.
Related reading on HealthcareDiscovery.AI
Cardiovascular Disease in all 50 states Search all 2,570 in the directory Ask Zach for help choosing
Related
