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. Uyen Hoang, DOLos Angeles, CA · No drug or device payments recorded (2025) ·
(800) 954-8000 Dr. Valerie Thadhani, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 653-1990 Dr. Valerie Zamudio, MDLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(323) 268-5000 Dr. Vanessa Ghaderi, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-7556 Dr. Vang Kou Khang, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-4516 Dr. Vasthi Silva, M.D.Los Angeles, CA · $230 in drug and device payments (2025) ·
(323) 987-1362 Dr. Venkat Sanjay Reddy Manubolu, MDLos Angeles, CA · $2,056 in drug and device payments (2025) ·
(424) 522-7100 Dr. Verna Leung, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-4011 Dr. Verretta Deorosan, M.D.Los Angeles, CA · $136 in drug and device payments (2025) ·
(323) 779-2800 Dr. Vicki Trang Tran, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-1597 Dr. Victor Lee, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-4011 Dr. Vidya Kaushik, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(562) 427-5363 Dr. Vidya Narayan, M.DLos Angeles, CA · $17 in drug and device payments (2025) · Telehealth ·
(323) 409-8669 Dr. Vijay Bhasin, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(562) 427-5363 Dr. Vinay KrupadevLos Angeles, CA · $40 in drug and device payments (2025) ·
(323) 325-5882 Dr. Vinay Shamasundara, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(800) 954-8000 Dr. Virginia Adewole, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(424) 529-6755 Dr. Virna Veloso, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(213) 236-0312 Dr. Vishva Lakshman, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-7556 Dr. Vivian Gindi, MDLos Angeles, CA · $1,872 in drug and device payments (2025) ·
(323) 463-6881 Dr. Wahid Latif, D.O.Los Angeles, CA · No drug or device payments recorded (2025) ·
(805) 407-5018 Dr. Walter Kim, M.D.Los Angeles, CA · $45 in drug and device payments (2025) ·
(323) 965-9650 Dr. Ward Carpenter, MDLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(323) 993-7400 Dr. Wayne Ho, M.D.Los Angeles, CA · $2,982 in drug and device payments (2025) ·
(323) 215-1725 Dr. Wayne Ulit, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(213) 413-8765 Dr. Wendy Chang, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-3810 Dr. Wen-hsiang Chung, M.D.Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(323) 442-5100 Dr. Wesley Miao, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-5100 Dr. William CarrollLos Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 206-6232 Dr. William CopeLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-7375 Dr. William Dunne, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(332) 454-6940 Dr. William Frem, DOLos Angeles, CA · $664 in drug and device payments (2025) ·
(323) 268-5000 Dr. William Hardy, M.D.Los Angeles, CA · $68,284 in drug and device payments (2025) ·
(323) 442-5900 Dr. William Howell, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(213) 250-5600 Dr. William King, MD, JDLos Angeles, CA · $109,428 in drug and device payments (2025) ·
(323) 617-5409 Dr. William Levin, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 553-6777 Dr. William Pittman, M.D.Los Angeles, CA · $275 in drug and device payments (2025) ·
(310) 206-6232 Dr. William Singh, MDLos Angeles, CA · $98 in drug and device payments (2025) ·
(323) 226-7556 Dr. William Stringer, MD, MPHLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 206-6232 Dr. William Towner, MDLos Angeles, CA · $266 in drug and device payments (2025) ·
(323) 783-4011 Dr. William Wang, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-7644 Dr. Wilson Liu, D.O.Los Angeles, CA · $43 in drug and device payments (2025) ·
(213) 238-5887 Dr. Wilson Park, MDLos Angeles, CA · $91 in drug and device payments (2025) · Telehealth ·
(213) 383-4000 Dr. Wilson Tang, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-6130 Dr. Woojin Joo, MDLos Angeles, CA · $492 in drug and device payments (2025) · Telehealth ·
(310) 294-8090 Dr. Xia LiLos Angeles, CA · No drug or device payments recorded (2025) ·
(213) 977-1286 Dr. Xiaomei Lin, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 541-1400 Dr. Xiaomeng Deng, MDLos Angeles, CA · $247 in drug and device payments (2025) ·
(310) 206-6232 Dr. Xiaona Zheng, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 857-2000 Dr. Xinxia ZhaoLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-2170 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
