Pain Management Doctors (Psychiatry & Neurology) in California
Data updated monthly · Last refresh October 2026
38 Pain Medicine (Psychiatry & Neurology) providers practice in California, including 21 (55%) offering telehealth. The largest concentration is in Stanford. 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.
38providers
21telehealth
Stanfordtop city
Pain Medicine (Psychiatry & Neurology) by city in California
Choose a city to see providers there.
Where Pain Management Doctors (Psychiatry & Neurology) in California practice
From CMS Medicare enrollment records covering 24 of the 38 providers listed here (63%). Providers who do not bill Medicare are not included in these figures.
25%solo or small practice (under 10 clinicians)
8%mid-size group (10 to 99)
67%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Pain Management Doctors (Psychiatry & Neurology) | All clinicians in group | Main city |
| Stanford Health Care | 9 | 3,152 | Stanford |
| Cedars-Sinai Medical Care Foundation | 2 | 1,684 | Beverly Hills |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Pain Management Doctors (Psychiatry & Neurology) affiliated |
| Stanford Health Care | Stanford | Nonprofit | 5 of 5 | 8 |
| Cedars-Sinai Medical Center | Los Angeles | Nonprofit | 5 of 5 | 3 |
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.
Pain Medicine (Psychiatry & Neurology) 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. Jennifer Ault, M.S., D.P.T., D.O.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-8150 Dr. Fadi Alhatem, M.D.Beverly Hills, CA · $261 in drug and device payments (2025) · Telehealth ·
(310) 385-3530 Dr. Jaisha Mathew, M.D.Duarte, CA · $109 in drug and device payments (2025) · Telehealth ·
(626) 256-4673 Dr. Ernestina Saxton, MD, PHDFresno, CA · No drug or device payments recorded (2025) ·
(559) 264-9100 Dr. Kurt Miller, M.D.Fresno, CA · No drug or device payments recorded (2025) ·
(559) 431-8500 Dr. Haroutiun Hamzoian, MDLawndale, CA · $1,319 in drug and device payments (2025) · Telehealth ·
(424) 360-0066 Dr. Eugene Pak, M.D.Loma Linda, CA · No drug or device payments recorded (2025) · Telehealth ·
(909) 558-6204 Dr. Gary Rosengarten, PH.D.Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 423-9619 Dr. Ilan Danan, M.D.Los Angeles, CA · $139 in drug and device payments (2025) · Telehealth ·
(310) 665-7229 Dr. Zaw Lwin, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(213) 200-2353 Dr. Thomas Bryan, MDMerced, CA · No drug or device payments recorded (2025) ·
(209) 383-5999 Dr. Shawn Zardouz, MDNewport Beach, CA · $579 in drug and device payments (2025) · Telehealth ·
(949) 232-1019 Dr. Morey Weingarten, MDOakland, CA · No drug or device payments recorded (2025) ·
(510) 836-2757 Dr. Jody Thomas, PHDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 498-5710 Dr. Aimee Chagnon, MDPetaluma, CA · $15 in drug and device payments (2025) · Telehealth ·
(707) 938-7951 Dr. Mahnaz Entezaralmahdi, M.D.Rancho Cucamonga, CA · No drug or device payments recorded (2025) · Telehealth ·
(909) 985-2211 Dr. Heather Poupore-king, PHDRedwood City, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-6238 Dr. Julian Motzkin, M.D., PH.D.San Francisco, CA · $157 in drug and device payments (2025) · Telehealth ·
(415) 476-3891 Dr. Hosein Tahami, D.O.Santa Clara, CA · No drug or device payments recorded (2025) ·
(408) 988-8581 Dr. James Weiss, MDSanta Cruz, CA · No drug or device payments recorded (2025) ·
(831) 421-0170 Dr. Igor Galan, MDSanta Maria, CA · $4,853 in drug and device payments (2025) · Telehealth ·
(805) 928-7361 Dr. Michael Moskowitz, M.DSausalito, CA · No drug or device payments recorded (2025) ·
(415) 380-0480 Dr. Robert Hines, M.DSausalito, CA · No drug or device payments recorded (2025) ·
(415) 380-0480 Dr. Addie Peretz, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Beth Darnall, PHDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. David Talavera, PHDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Dokyoung You, PHDStanford, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Edward Lannon, PHDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Leon Moskatel, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Maisa Ziadni, PHDStanford, CA · No drug or device payments recorded (2025) ·
(650) 732-4000 Dr. Meredith Barad, MDStanford, CA · $375 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Niushen Zhang, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Oyindamola Ogunlaja, MDStanford, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Robert Cowan, MDStanford, CA · $16,995 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Kartik Ananth, MDTorrance, CA · $601 in drug and device payments (2025) · Telehealth ·
(310) 437-7399 Dr. Semyon Faynboym, M.D.Torrance, CA · $12,150 in drug and device payments (2025) ·
(323) 638-4263 Dr. Alireza Bozorgi, M.D.,Tustin, CA · $177 in drug and device payments (2025) · Telehealth ·
(714) 819-0000 Dr. Ali Hafezi, MDWhittier, CA · $98 in drug and device payments (2025) ·
(562) 698-0811 Common questions
How many Pain Medicine (Psychiatry & Neurology) providers are in California?There are 38 Pain Medicine (Psychiatry & Neurology) providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Pain Medicine (Psychiatry & Neurology) providers in California offer telehealth?Yes. 21 of the 38 Pain Medicine (Psychiatry & Neurology) providers in California (about 55%) report offering telehealth services in CMS data.
Which cities in California have the most Pain Medicine (Psychiatry & Neurology) providers?Stanford (11), Los Angeles (3), Fresno (2) have the highest concentration of Pain Medicine (Psychiatry & Neurology) providers in California.
How many Pain Medicine (Psychiatry & Neurology) providers in California received drug or device company payments?14 of 38 Pain Medicine (Psychiatry & Neurology) providers in California (37%) 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 Pain Management Doctors (Psychiatry & Neurology) in California work in independent practices or large health systems?Among 24 Pain Management Doctors (Psychiatry & Neurology) in California enrolled in Medicare, 25% bill through a solo or small practice with fewer than 10 clinicians, 8% through a mid-size group of 10 to 99, and 67% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Pain Management Doctors (Psychiatry & Neurology) in California work at?According to CMS facility affiliation records, the California hospitals where the most Pain Management Doctors (Psychiatry & Neurology) hold privileges are Stanford Health Care in Stanford; Cedars-Sinai Medical Center in Los Angeles.
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