Pediatric Rheumatologists in California
Data updated monthly · Last refresh October 2026
63 Pediatric Rheumatology providers practice in California, including 1 (2%) offering telehealth. The largest concentration is in Palo Alto. 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.
63providers
1telehealth
Palo Altotop city
Pediatric Rheumatology by city in California
Choose a city to see providers there.
Where Pediatric Rheumatologists in California practice
From CMS Medicare enrollment records covering 10 of the 63 providers listed here (16%). Providers who do not bill Medicare are not included in these figures.
Largest practice groups
| Group (as registered with Medicare) | Pediatric Rheumatologists | All clinicians in group | Main city |
| Childrens Hospital Los Angeles Medical Group Inc. | 3 | 288 | Los Angeles |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Pediatric Rheumatology 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. Canagasundra Balakrishnan, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Dr. Minakshi Chaudhari, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-5000 Dr. Albert Chow, M.D.Loma Linda, CA · $281 in drug and device payments (2025) ·
(909) 558-4773 Dr. Aileen Dickinson, D.O.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-0867 Dr. Andreas Reiff, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 669-2119 Dr. Anusha Ramanathan, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-2119 Dr. Bracha Shaham, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 669-2119 Dr. Bram Bernstein, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-2119 Dr. Deborah Mccurdy, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 206-1826 Dr. Diane Brown, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(314) 454-6124 Dr. Iris Reyhan, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 660-2450 Dr. Judith Figueroa, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-1997 Dr. Katherine Marzan, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-2119 Dr. Michal Cidon, M.D.Los Angeles, CA · $121 in drug and device payments (2025) ·
(323) 660-2450 Dr. Ornella Rullo, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-6481 Dr. Paola Pederzoli-carrillo, NPLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 794-4065 Dr. Sara Haro, M.D.Los Angeles, CA · $537 in drug and device payments (2025) ·
(323) 361-8507 Dr. Edsel Arce-hernandez, MDMadera, CA · No drug or device payments recorded (2025) ·
(559) 353-6450 Dr. Reshma Patel, M.D.Madera, CA · No drug or device payments recorded (2025) ·
(559) 353-6450 Dr. Bernhard Singsen, M.D.Oakland, CA · No drug or device payments recorded (2025) ·
(510) 428-3304 Dr. Elizabeth Shaw, DOOakland, CA · No drug or device payments recorded (2025) ·
(510) 752-1000 Dr. Afshan Najafi, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 509-8617 Dr. Alice Hoftman, M.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 532-8617 Dr. Andrew Shulman, M.D., PH.D.Orange, CA · No drug or device payments recorded (2025) ·
(714) 532-8617 Dr. Emilina Lim, MDOrange, CA · No drug or device payments recorded (2025) ·
(888) 770-2462 Dr. Leah Medrano, MDOrange, CA · No drug or device payments recorded (2025) ·
(714) 509-7982 Dr. Anne Stevens, MD, PHDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Christy Sandborg, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Cristina Saez, MDPalo Alto, CA · $177 in drug and device payments (2025) ·
(650) 497-8000 Dr. Dana Gerstbacher, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Imelda Balboni, MD, PHDPalo Alto, CA · $142 in drug and device payments (2025) ·
(650) 497-8000 Dr. James Bistolarides, M.DPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 206-0914 Dr. Jennifer Frankovich, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Joyce Hsu, MDPalo Alto, CA · $117 in drug and device payments (2025) ·
(650) 497-8000 Dr. Rajdeep Pooni, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Rebecca Kunder, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Sivakanthan Kasinathan, MD, PHDPalo Alto, CA · $142 in drug and device payments (2025) ·
(650) 497-8000 Dr. Tzielan Lee, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Uptej Khalsa, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Vivian Saper, M.D.Palo Alto, CA · $6,953 in drug and device payments (2025) ·
(650) 723-5227 Dr. Angel Herrera Guerra, MDSacramento, CA · $317 in drug and device payments (2025) ·
(916) 734-2105 Dr. Robert Watson, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 733-5336 Dr. Wendy De La Pena, M.D.San Bernardino, CA · $71 in drug and device payments (2025) ·
(909) 835-1801 Dr. Aviya Levy, MDSan Diego, CA · $115 in drug and device payments (2025) ·
(858) 966-8082 Dr. Ilona Szer, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-8082 Dr. Johanna Chang, M.D.San Diego, CA · $255 in drug and device payments (2025) ·
(858) 966-8082 Dr. Omkar Phadke, MD, MBBSSan Diego, CA · $48 in drug and device payments (2025) ·
(858) 966-8082 Common questions
How many Pediatric Rheumatology providers are in California?There are 63 Pediatric Rheumatology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Pediatric Rheumatology providers in California offer telehealth?Yes. 1 of the 63 Pediatric Rheumatology providers in California (about 2%) report offering telehealth services in CMS data.
Which cities in California have the most Pediatric Rheumatology providers?Palo Alto (14), Los Angeles (14), San Diego (8) have the highest concentration of Pediatric Rheumatology providers in California.
How many Pediatric Rheumatology providers in California received drug or device company payments?18 of 63 Pediatric Rheumatology providers in California (29%) 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.
Pediatric Rheumatology in all 50 states Search all 63 in the directory Ask Zach for help choosing
Related
