Internal Medicine Doctors in California
Data updated monthly · Last refresh October 2026
17,715 Internal Medicine providers practice in California, including 4,245 (24%) 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.
17,715providers
4,245telehealth
Los Angelestop city
Internal Medicine by city in California
Choose a city to see providers there.
Internal Medicine 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. Parimala Selvan, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Pavlina Apte, M.D.Redwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Pearl Wu, MDRedwood City, CA · $154 in drug and device payments (2025) ·
(650) 299-2000 Dr. Priyasheelta Nand, M.D.Redwood City, CA · $264 in drug and device payments (2025) · Telehealth ·
(650) 817-2117 Dr. Rachael White, M.D.Redwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Rashmi Saini, MDRedwood City, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 299-2000 Dr. Rhoda Nutik, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Richard Tanner, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Ronald Fong, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Sabitha Krishnamoorthy, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(408) 685-3236 Dr. Sangita Shah, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Seema Chokshi, M.D.Redwood City, CA · No drug or device payments recorded (2025) · Telehealth ·
(888) 663-6331 Dr. Shadi Vahdat, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 369-5811 Dr. Shailaja Kirti, MDRedwood City, CA · $147 in drug and device payments (2025) ·
(650) 299-2000 Dr. Sona Aggarwal, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 366-6010 Dr. Srinivasa Ashokkumar, M.DRedwood City, CA · $40 in drug and device payments (2025) ·
(650) 299-2015 Dr. Stephen Vaughan, MDRedwood City, CA · $18 in drug and device payments (2025) ·
(650) 369-5811 Dr. Suja Nagarajan, M.D.Redwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2536 Dr. Susan Kritzik, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 306-9490 Dr. Svasti Patel, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Swati Shandilya, M.D.Redwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2015 Dr. Thomas Taber, DO MPHRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Tong Kobilka, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Umesh Sabharwal, M.D.Redwood City, CA · $1,598 in drug and device payments (2025) · Telehealth ·
(650) 368-2371 Dr. Victor Villacorta, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Wendy Tseng, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Wilma Arguelles-gaviola, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Xin Liao, M.D.Redwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Leanne LashRedwood Shores, CA · No drug or device payments recorded (2025) ·
(650) 598-3160 Dr. David Almond, M.D.Redwood Valley, CA · No drug or device payments recorded (2025) ·
(707) 485-5115 Dr. Cecilia Galindo, MDReedley, CA · $364 in drug and device payments (2025) ·
(559) 643-8083 Dr. Umme Haani Malwi, MBBSReedley, CA · No drug or device payments recorded (2025) ·
(559) 391-3110 Dr. Benjamin Lee, M.D.Represa, CA · No drug or device payments recorded (2025) ·
(916) 985-2561 Dr. Bennett Feinberg, MDRepresa, CA · No drug or device payments recorded (2025) ·
(916) 985-2561 Dr. Agnes Bahng, MDReseda, CA · $16 in drug and device payments (2025) · Telehealth ·
(818) 342-8171 Dr. Daniel Darvish, MDReseda, CA · No drug or device payments recorded (2025) ·
(818) 789-1044 Dr. David Hernandez, MDReseda, CA · No drug or device payments recorded (2025) ·
(747) 265-6423 Dr. Ilya Rachman, M.D.Reseda, CA · $291 in drug and device payments (2025) · Telehealth ·
(818) 757-1919 Dr. Jose Martinez Cardenas, M.D. Dr. Lauren MatsunoReseda, CA · No drug or device payments recorded (2025) ·
(818) 774-8444 Dr. Mai Phan, M.D.Reseda, CA · $170 in drug and device payments (2025) · Telehealth ·
(818) 342-8171 Dr. Marvin Pietruszka, M.D.Reseda, CA · No drug or device payments recorded (2025) ·
(310) 914-9150 Dr. Rosalynd Hicks, M.D.Reseda, CA · No drug or device payments recorded (2025) ·
(818) 300-1376 Dr. Svetlana Baranovsky, M.D.Reseda, CA · No drug or device payments recorded (2025) ·
(818) 757-1919 Dr. Charles Sabbah, M.D.Rialto, CA · No drug or device payments recorded (2025) · Telehealth ·
(909) 874-2371 Conditions Internal Medicine providers in 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.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in California?There are 17,715 Internal Medicine providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in California offer telehealth?Yes. 4,245 of the 17,715 Internal Medicine providers in California (about 24%) report offering telehealth services in CMS data.
Which cities in California have the most Internal Medicine providers?Los Angeles (1,417), San Francisco (1,322), San Diego (970) have the highest concentration of Internal Medicine providers in California.
How many Internal Medicine providers in California received drug or device company payments?5,614 of 17,715 Internal Medicine providers in California (32%) 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 California treat?Internal Medicine providers 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 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 Internal Medicine Doctors in California work in independent practices or large health systems?Among 10,847 Internal Medicine Doctors in California enrolled in Medicare, 20% bill through a solo or small practice with fewer than 10 clinicians, 12% through a mid-size group of 10 to 99, and 67% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in California work at?According to CMS facility affiliation records, the California hospitals where the most Internal Medicine Doctors hold privileges are Stanford Health Care in Stanford; UCSF Medical Center in San Francisco; Ronald Reagan UCLA Medical Center in Los Angeles.
Related reading on HealthcareDiscovery.AI
Internal Medicine in all 50 states Search all 17,715 in the directory Ask Zach for help choosing
Related
