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. Nhia Yang, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 797-1111 Dr. Nivedha RajanFremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 203-9392 Dr. Nudrat Pirzada, MDFremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 795-3000 Dr. Padma Dasari, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 796-0222 Dr. Padmavathi Kudaravalli, MDFremont, CA · $66 in drug and device payments (2025) · Telehealth ·
(510) 284-4100 Dr. Paul Aguilera, MDFremont, CA · $116 in drug and device payments (2025) ·
(510) 797-1111 Dr. Preeti Chhabria, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 248-3055 Dr. Priyanka GwalaniFremont, CA · No drug or device payments recorded (2025) ·
(510) 818-9237 Dr. Pushpa Jagtiani, MD.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 770-0432 Dr. Rabin Khetrapal, MDFremont, CA · $2,802 in drug and device payments (2025) · Telehealth ·
(510) 742-6274 Dr. Rajiv Ahuja, M.DFremont, CA · $1,810 in drug and device payments (2025) ·
(510) 713-1000 Dr. Ranjit Reen, M.D.Fremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 791-5500 Dr. Rashmi Patel, M.D.Fremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 994-0460 Dr. Rebecca O'brien, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Richard Lee, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 490-1222 Dr. Saima Ali, M.D.Fremont, CA · $159 in drug and device payments (2025) ·
(510) 790-2422 Dr. Saranya Jayakar, MDFremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 490-1222 Dr. Satyasree Konda, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 770-8040 Dr. Seanna Kim, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 791-4001 Dr. Seema Rikhy, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 796-0222 Dr. Sherene Nagarajah, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 608-6174 Dr. Shirley Edward, M.D.Fremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 490-1222 Dr. Shruti Patel, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 791-4001 Dr. Shubhada KulkarniFremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 490-1222 Dr. Simin Siddiq, M.D.Fremont, CA · $115 in drug and device payments (2025) · Telehealth ·
(510) 796-0222 Dr. Sneha Patel, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Soham Jhaveri, Do, DOFremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 490-1222 Dr. Srilata Raman, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 248-3623 Dr. Subada Soti, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 248-3000 Dr. Suresh Mahawar, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 797-5500 Dr. Tan Pham, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Thomas Baker, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Tsz Mei Fong, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Vaibhav Medhekar, M.D., PH.D.Fremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 490-1222 Dr. Vallari Shukla, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Vanessa Martinez GuerraFremont, CA · $248 in drug and device payments (2025) ·
(510) 797-1111 Dr. Vanessa Wilson, M.D.Fremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 248-1000 Dr. Veronica Lagos-jaramillo, M.D.Fremont, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 490-1222 Dr. Vivek Bhupathi, MDFremont, CA · $19,217 in drug and device payments (2025) ·
(510) 796-0222 Dr. Yashitha Chirumamilla, MDFremont, CA · $140 in drug and device payments (2025) · Telehealth ·
(510) 796-0222 Dr. Yasmeen Wengrow, MDFremont, CA · No drug or device payments recorded (2025) ·
(510) 795-3000 Dr. Yih Chang, M.D.Fremont, CA · No drug or device payments recorded (2025) ·
(510) 648-2087 Dr. Zulfiqar Ali, M.DFremont, CA · $1,352 in drug and device payments (2025) ·
(510) 790-2422 Dr. Ali Malik, M.D.French Camp, CA · No drug or device payments recorded (2025) ·
(209) 468-6937 Dr. Aman Grewal, M.D.French Camp, CA · No drug or device payments recorded (2025) ·
(209) 468-6000 Dr. Amirhossin Afshar, M.D.French Camp, CA · No drug or device payments recorded (2025) ·
(209) 468-6937 Dr. Arena Shafeque, MDFrench Camp, CA · $169 in drug and device payments (2025) ·
(209) 468-6820 Dr. Armand Ghaffari, M.D.French Camp, CA · No drug or device payments recorded (2025) ·
(209) 468-6000 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.
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