Hospitalists in California
Data updated monthly · Last refresh October 2026
3,110 Hospitalist providers practice in California, including 149 (5%) 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.
3,110providers
149telehealth
Los Angelestop city
Hospitalist by city in California
Choose a city to see providers there.
Hospitalist 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. Alina Popa, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3636 Dr. Andre SahakianRiverside, CA · $31 in drug and device payments (2025) ·
(951) 788-3000 Dr. Anousheh Ashouri, M.D.Riverside, CA · No drug or device payments recorded (2025) · Telehealth ·
(877) 414-7739 Dr. Bassam BaderRiverside, CA · No drug or device payments recorded (2025) ·
(714) 676-3880 Dr. Charles Abreu, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 781-3672 Dr. Chibuzo Eke, D.O.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 827-7669 Dr. Duy Phan, DORiverside, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. Keirthana AedmaRiverside, CA · No drug or device payments recorded (2025) ·
(909) 883-8711 Dr. Kiran Chamarti, DORiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Linh Lu, DORiverside, CA · No drug or device payments recorded (2025) · Telehealth ·
(530) 686-5854 Dr. Maria Akamnonu, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Mario Saldana, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 827-4568 Dr. Masoumeh Ghaffari, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Michael Nguyen, DORiverside, CA · $282 in drug and device payments (2025) ·
(951) 788-3000 Dr. Monika Garcia, MDRiverside, CA · No drug or device payments recorded (2025) ·
(855) 982-7284 Dr. Nawal Badran, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(714) 676-3880 Dr. Remus Popa, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3636 Dr. Sarmad Al-bahrani, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 204-4191 Dr. Shree Krishnan, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 353-3262 Dr. Taraneh Sarlati, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 353-3016 Dr. Victor Fayad, M.DRiverside, CA · $15 in drug and device payments (2025) · Telehealth ·
(951) 788-3000 Dr. Vikram Sahay, DORiverside, CA · No drug or device payments recorded (2025) ·
(951) 784-0018 Dr. Wesley Livingston, DORiverside, CA · No drug or device payments recorded (2025) ·
(714) 676-3880 Dr. Abdulrahman Mahdi, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 733-3777 Dr. Ali Ahmed, M.D.Roseville, CA · No drug or device payments recorded (2025) ·
(916) 733-3777 Dr. Anissa Slifer, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 781-1927 Dr. Anthony Carlile, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Augustine Espinoza, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Carmen-florina Bujor, MDRoseville, CA · $43 in drug and device payments (2025) ·
(916) 784-4000 Dr. Cassandra Loo, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Christian JoaquinRoseville, CA · $105 in drug and device payments (2025) ·
(916) 733-3777 Dr. Craig Tsuboi, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 781-1927 Dr. Diane Apostolakos, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Diwakar Lingam, M.D.Roseville, CA · $1,713 in drug and device payments (2025) · Telehealth ·
(603) 653-3305 Dr. Eilya Moghaddam, M.D.Roseville, CA · No drug or device payments recorded (2025) ·
(916) 781-1927 Dr. Gary Thacker, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Gregory Hussa, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Gurjeet Duhra, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Hayssam Hajar, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Ikram Al-doori, MDRoseville, CA · No drug or device payments recorded (2025) ·
(016) 781-1000 Dr. Jakob Francis, DORoseville, CA · $126 in drug and device payments (2025) ·
(916) 733-3777 Dr. Javier Mendez, DORoseville, CA · $21 in drug and device payments (2025) ·
(916) 784-4000 Dr. Jay Thakkar, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 781-1927 Dr. Jeffrey Genzlinger, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 797-4715 Dr. Jeffrey Stenger, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Jerome Booker, M.D.Roseville, CA · $97 in drug and device payments (2025) ·
(916) 733-3777 Dr. John Lanterman, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. John Mitchell, MDRoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4000 Dr. Jonathan Yu, MD, MBARoseville, CA · No drug or device payments recorded (2025) ·
(916) 784-4323 Dr. Katherine Herz, M.D.Roseville, CA · No drug or device payments recorded (2025) ·
(916) 733-3777 Common questions
How many Hospitalist providers are in California?There are 3,110 Hospitalist providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Hospitalist providers in California offer telehealth?Yes. 149 of the 3,110 Hospitalist providers in California (about 5%) report offering telehealth services in CMS data.
Which cities in California have the most Hospitalist providers?Los Angeles (231), San Diego (173), San Francisco (161) have the highest concentration of Hospitalist providers in California.
How many Hospitalist providers in California received drug or device company payments?722 of 3,110 Hospitalist providers in California (23%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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 Hospitalists in California work in independent practices or large health systems?Among 2,469 Hospitalists in California enrolled in Medicare, 5% bill through a solo or small practice with fewer than 10 clinicians, 13% through a mid-size group of 10 to 99, and 82% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Hospitalists in California work at?According to CMS facility affiliation records, the California hospitals where the most Hospitalists hold privileges are Ronald Reagan UCLA Medical Center in Los Angeles; Cedars-Sinai Medical Center in Los Angeles; Santa Monica - UCLA Med Ctr & Orthopaedic Hospital in Santa Monica.
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