Pediatric Pathologists in California
Data updated monthly · Last refresh October 2026
28 Pediatric Pathology providers practice in California. 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.
28providers
Los Angelestop city
Pediatric Pathology by city in California
Choose a city to see providers there.
Where Pediatric Pathologists in California practice
From CMS Medicare enrollment records covering 7 of the 28 providers listed here (25%). Providers who do not bill Medicare are not included in these figures.
Largest practice groups
| Group (as registered with Medicare) | Pediatric Pathologists | All clinicians in group | Main city |
| Rady Children's Hospital San Diego | 3 | 164 | San Diego |
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 Pathology 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. Janay JacobsIrvine, CA · No drug or device payments recorded (2025) ·
(949) 929-9248 Dr. Clark Inderlied, PHDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 669-4516 Dr. Jennifer Cotter, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-3550 Dr. Le Aye, D.O.Los Angeles, CA · $29 in drug and device payments (2025) ·
(323) 660-2450 Dr. Masoud Shamszadeh, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-5836 Dr. Matthew OberleyLos Angeles, CA · $3,070 in drug and device payments (2025) ·
(888) 631-2452 Dr. Mikako Warren, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 660-2450 Dr. Murad AlturkustaniLos Angeles, CA · No drug or device payments recorded (2025) ·
(818) 405-3719 Dr. Nick Shillingford, M.DLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-5917 Dr. Paul Pattengale, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 669-5608 Dr. Timothy Triche, MD, PHDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 361-3550 Dr. Zdena Pavlova, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 669-4516 Dr. Amy Davis, MDMadera, CA · No drug or device payments recorded (2025) ·
(559) 353-6061 Dr. Christopher Lephong, DOMadera, CA · No drug or device payments recorded (2025) ·
(559) 353-6062 Dr. Cristo Guardado Salazar, MDMadera, CA · No drug or device payments recorded (2025) ·
(559) 353-6062 Dr. David Scharnhorst, M.D.Madera, CA · No drug or device payments recorded (2025) ·
(559) 353-6105 Dr. Elizabeth Martinez, D.O.Madera, CA · No drug or device payments recorded (2025) ·
(559) 353-5700 Dr. Stephen Kassel, M.D.Madera, CA · No drug or device payments recorded (2025) ·
(559) 353-6103 Dr. Elaine Cham, M.D.Oakland, CA · No drug or device payments recorded (2025) ·
(510) 428-3530 Dr. Hua Guo, M.D.Oakland, CA · No drug or device payments recorded (2025) ·
(510) 428-3175 Dr. Jon Rowland, M.D., PHDOakland, CA · No drug or device payments recorded (2025) ·
(510) 428-3162 Dr. Daniel Schlam Rozanes, MD, PHDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-5944 Dr. Dehua Wang, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-5944 Dr. Denise Malicki, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-5944 Dr. Henry Krous, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-5944 Dr. Natalie Ellington, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-5944 Dr. Robert Newbury, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-5944 Dr. Hehua HuangTorrance, CA · No drug or device payments recorded (2025) ·
(424) 306-6219 Common questions
How many Pediatric Pathology providers are in California?There are 28 Pediatric Pathology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Which cities in California have the most Pediatric Pathology providers?Los Angeles (11), San Diego (6), Madera (6) have the highest concentration of Pediatric Pathology providers in California.
How many Pediatric Pathology providers in California received drug or device company payments?2 of 28 Pediatric Pathology providers in California (7%) 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.
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