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. Kathia Cordero-caban, MD, PHDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-3400 Dr. Kathy Kyo, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 688-2000 Dr. Kevin Nguyen, MDSacramento, CA · $1,119 in drug and device payments (2025) ·
(916) 688-2000 Dr. Ke Wu, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-3333 Dr. Kiran SampleySacramento, CA · No drug or device payments recorded (2025) ·
(916) 453-4966 Dr. Kit JoosSacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-3777 Dr. Komaldeep Singh, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-3400 Dr. Laura Darling, MDSacramento, CA · No drug or device payments recorded (2025) · Telehealth ·
(916) 688-2000 Dr. Laura Grigor, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 455-7972 Dr. Leslie Tamura, D.O.Sacramento, CA · $41 in drug and device payments (2025) ·
(916) 453-4966 Dr. Liang Liang, M.D.Sacramento, CA · $39 in drug and device payments (2025) ·
(916) 688-6587 Dr. Lillian Hage-fischer, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 688-2000 Dr. Madina Mohammadi, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(510) 776-5417 Dr. Mai Lee, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 453-4966 Dr. Mai VangSacramento, CA · No drug or device payments recorded (2025) ·
(916) 681-6000 Dr. Manish Patel, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 973-5000 Dr. Mark Burniston, M.D.Sacramento, CA · $40 in drug and device payments (2025) ·
(916) 733-3777 Dr. Mark Labriola, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-3333 Dr. Mark Ratley, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-3333 Dr. May Thu Saung, MDSacramento, CA · $246 in drug and device payments (2025) ·
(916) 733-3400 Dr. Meilen Munoz, MD, PHDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 734-2737 Dr. Melody Hsieh, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 973-5000 Dr. Michael Macellari, DO, CSCSSacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-3400 Dr. Michael Stewart, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 973-5000 Dr. Mithu Molla, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 734-7506 Dr. Mohammad Kordouni, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 688-2000 Dr. Monica Ou, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 973-6097 Dr. Mutaal Akhter, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-3400 Dr. Nadeem MukhtarSacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-3400 Dr. Nancy Wen, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 681-6000 Dr. Navjot Mangat, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-3400 Dr. Olana Aberra, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 688-2000 Dr. Olof Sultan, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 688-2000 Dr. Paramveer Mehrok, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 681-6000 Dr. Paterra Yang, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 681-1866 Dr. Phil Kang, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 973-5000 Dr. Prabhir Singh, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-3400 Dr. Pradeepa Nonis, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(310) 938-9507 Dr. Ranganathan Madhavan, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 734-7506 Dr. Raquel Dudderar, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-3400 Dr. Reza Sianati, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 688-2000 Dr. Ritu Bhatnagar, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 973-5000 Dr. Rizwana Chaudhry, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 973-5000 Dr. Robert Allen, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 864-5596 Dr. Rumana Khan, M.DSacramento, CA · $409 in drug and device payments (2025) ·
(916) 733-3777 Dr. Ruth Bertsch, M.D.,PH.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 973-5000 Dr. Saeid Ghaemmaghami, M.D.Sacramento, CA · $124 in drug and device payments (2025) ·
(916) 733-3400 Dr. Samantha Siegel, M.D.Sacramento, CA · No drug or device payments recorded (2025) · Telehealth ·
(916) 734-7506 Dr. Saradha Mahesh, M.DSacramento, CA · No drug or device payments recorded (2025) ·
(916) 681-6000 Dr. Satyen Matani, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 681-1866 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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