Pathologists (Anatomic & Clinical) in California
Data updated monthly · Last refresh October 2026
1,553 Anatomic Pathology & Clinical Pathology providers practice in California, including 5 (0%) 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.
1,553providers
5telehealth
Los Angelestop city
Anatomic Pathology & Clinical Pathology by city in California
Choose a city to see providers there.
Anatomic Pathology & Clinical 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. Yalda Naeini, M.DLos Angeles, CA · $98 in drug and device payments (2025) ·
(310) 825-2448 Dr. Yanling Ma, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 442-2582 Dr. Yan Wang, M.D.Los Angeles, CA · $23 in drug and device payments (2025) ·
(323) 409-4606 Dr. Ying ZhaoLos Angeles, CA · No drug or device payments recorded (2025) ·
(213) 484-7935 Dr. Yipeng GengLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-2680 Dr. Yuan ShuiLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 206-0944 Dr. Yuna Gong, M.D.Los Angeles, CA · $131 in drug and device payments (2025) ·
(323) 442-2582 Dr. Yuna KangLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-2058 Dr. Yvonne HojbergLos Angeles, CA · No drug or device payments recorded (2025) ·
(424) 467-6599 Dr. Zesheng ChenLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 267-2680 Dr. Zhengshan Chen, MDLos Angeles, CA · $123 in drug and device payments (2025) ·
(310) 267-2680 Dr. Zimin Zhao, M.D.Los Angeles, CA · $23 in drug and device payments (2025) ·
(310) 825-5719 Dr. Edward Ellsworth, M.D.Los Gatos, CA · No drug or device payments recorded (2025) ·
(408) 866-4060 Dr. Jyothsna Narla, M.D.Los Gatos, CA · $156 in drug and device payments (2025) ·
(408) 866-4060 Dr. Rajeev Bala, M.D.Los Gatos, CA · No drug or device payments recorded (2025) ·
(408) 866-5227 Dr. Sudha Rao, M.D.Los Gatos, CA · $15 in drug and device payments (2025) ·
(408) 866-4060 Dr. Barbara Biela, M.D., PH.D.Lynwood, CA · $145 in drug and device payments (2025) ·
(310) 900-8606 Dr. Gary Garshfield, MDLynwood, CA · No drug or device payments recorded (2025) ·
(310) 900-8900 Dr. Richard Schneider, MDLynwood, CA · No drug or device payments recorded (2025) ·
(310) 900-8883 Dr. Aleli Siongco, MDMadera, CA · No drug or device payments recorded (2025) ·
(559) 353-6107 Dr. Sandy Wu, MDMadera, CA · No drug or device payments recorded (2025) ·
(559) 353-5700 Dr. Hanon Sinay, M.D.Manhattan Beach, CA · No drug or device payments recorded (2025) ·
(310) 546-2120 Dr. Ivan Meadows, M.D.Martinez, CA · No drug or device payments recorded (2025) ·
(925) 372-2140 Dr. Alexandra Reichman, M.D.Marysville, CA · No drug or device payments recorded (2025) ·
(530) 749-4467 Dr. Billy Pettross, M.D.Marysville, CA · No drug or device payments recorded (2025) ·
(530) 749-4467 Dr. Cynthia Pettross, M.D.Marysville, CA · No drug or device payments recorded (2025) ·
(530) 749-4467 Dr. Jonathan Hughes, M.D. Dr. Eloisa FuentesMenlo Park, CA · No drug or device payments recorded (2025) ·
(650) 566-8763 Dr. Grant Carmichael, M.D.Merced, CA · No drug or device payments recorded (2025) ·
(209) 723-4551 Dr. James Wilkerson, M.D.Merced, CA · No drug or device payments recorded (2025) ·
(209) 723-4551 Dr. Roger Phillips, M.D.Merced, CA · No drug or device payments recorded (2025) ·
(209) 723-4551 Dr. Shawn Emery, M.D.Merced, CA · No drug or device payments recorded (2025) ·
(209) 723-4551 Dr. Esha Gollapalle, M.D.Milpitas, CA · No drug or device payments recorded (2025) ·
(972) 571-7840 Dr. Brian Kay, D.O.Mission Hills, CA · $23 in drug and device payments (2025) ·
(818) 898-4412 Dr. Gretchen Sampson, M.D.Mission Hills, CA · No drug or device payments recorded (2025) ·
(818) 898-4412 Dr. John Yamashita, M.D.Mission Hills, CA · No drug or device payments recorded (2025) ·
(818) 898-4412 Dr. Alireza Tafazzoli, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 364-1400 Dr. Hitomi Momose, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 364-1400 Dr. Justin Ekuan, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 364-1400 Dr. Kayvon DowlatshahiMission Viejo, CA · $224 in drug and device payments (2025) ·
(949) 364-7710 Dr. Kenneth Kaye, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 364-1400 Dr. Michael Blumenfeld, M.D.Mission Viejo, CA · No drug or device payments recorded (2025) ·
(949) 364-1400 Dr. Vanessa Hoang, D.O., M.S.Mission Viejo, CA · $67 in drug and device payments (2025) ·
(949) 364-7710 Dr. Albert Siu, M.D.Modesto, CA · No drug or device payments recorded (2025) ·
(209) 577-1200 Dr. Alfredo Asuncion, M.D.Modesto, CA · No drug or device payments recorded (2025) ·
(209) 577-1200 Dr. Anthony Victorio, M.D.Modesto, CA · $225 in drug and device payments (2025) ·
(209) 577-1200 Dr. Ashley Tarasen, MDModesto, CA · No drug or device payments recorded (2025) ·
(209) 577-1200 Dr. Christy Perez-valles, M.D.Modesto, CA · No drug or device payments recorded (2025) ·
(209) 577-1200 Dr. Curtis Strong, M.D.Modesto, CA · No drug or device payments recorded (2025) ·
(209) 577-1200 Common questions
How many Anatomic Pathology & Clinical Pathology providers are in California?There are 1,553 Anatomic Pathology & Clinical Pathology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Anatomic Pathology & Clinical Pathology providers in California offer telehealth?Yes. 5 of the 1,553 Anatomic Pathology & Clinical Pathology providers in California (about 0%) report offering telehealth services in CMS data.
Which cities in California have the most Anatomic Pathology & Clinical Pathology providers?Los Angeles (206), Stanford (115), San Diego (107) have the highest concentration of Anatomic Pathology & Clinical Pathology providers in California.
How many Anatomic Pathology & Clinical Pathology providers in California received drug or device company payments?313 of 1,553 Anatomic Pathology & Clinical Pathology providers in California (20%) 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 Pathologists (Anatomic & Clinical) in California work in independent practices or large health systems?Among 840 Pathologists (Anatomic & Clinical) in California enrolled in Medicare, 25% bill through a solo or small practice with fewer than 10 clinicians, 27% through a mid-size group of 10 to 99, and 48% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Pathologists (Anatomic & Clinical) in California work at?According to CMS facility affiliation records, the California hospitals where the most Pathologists (Anatomic & Clinical) hold privileges are Stanford Health Care in Stanford; Stanford Health Care Tri-Valley in Pleasanton; Cedars-Sinai Medical Center in Los Angeles.
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