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Neurosurgeons in California

Data updated monthly · Last refresh October 2026

929 Neurological Surgery providers practice in California, including 297 (32%) 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.

929providers
297telehealth
Los Angelestop city

Neurological Surgery by city in California

Choose a city to see providers there.

Neurological Surgery in Los Angeles110 providers
Neurological Surgery in Stanford86 providers
Neurological Surgery in San Francisco76 providers
Neurological Surgery in San Diego61 providers
Neurological Surgery in Sacramento54 providers
Neurological Surgery in Loma Linda29 providers
Neurological Surgery in Orange28 providers
Neurological Surgery in Palo Alto25 providers
Neurological Surgery in Fresno20 providers
Neurological Surgery in Santa Monica15 providers
Neurological Surgery in Redwood City14 providers
Neurological Surgery in West Hollywood13 providers
Neurological Surgery in Newport Beach13 providers
Neurological Surgery in Pomona12 providers
Neurological Surgery in La Jolla12 providers
Neurological Surgery in Ventura9 providers
Neurological Surgery in Colton9 providers
Neurological Surgery in San Jose9 providers
Neurological Surgery in Torrance8 providers
Neurological Surgery in Walnut Creek8 providers
Neurological Surgery in Oakland8 providers
Neurological Surgery in Modesto8 providers
Neurological Surgery in Bakersfield7 providers
Neurological Surgery in Moreno Valley7 providers

Neurological Surgery 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. Traian Cojocaru, M.D.
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 583-6064
Dr. Walter Johnson, M.D.
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 558-6388
Dr. Warren Boling, M.D.
Loma Linda, CA · $874 in drug and device payments (2025) · Telehealth · (909) 558-4479
Dr. Youssef Hamade, M.D.
Loma Linda, CA · $428 in drug and device payments (2025) · (909) 558-4952
Dr. Zachary Gersey, MD, MS
Loma Linda, CA · $396 in drug and device payments (2025) · Telehealth · (877) 558-0800
Dr. Abraham Rayhaun, MD
Long Beach, CA · $669 in drug and device payments (2025) · (562) 595-7696
Dr. Azadeh Farin, MD
Long Beach, CA · $7,775 in drug and device payments (2025) · Telehealth · (657) 241-9051
Dr. Barry Ceverha, M.D.
Long Beach, CA · No drug or device payments recorded (2025) · (562) 427-5388
Dr. Hooshang Pak, MD
Long Beach, CA · $46 in drug and device payments (2025) · (562) 595-7696
Dr. Ivar Szper, MD
Long Beach, CA · No drug or device payments recorded (2025) · (562) 595-7696
Dr. Ramin Javahery, MD
Long Beach, CA · $1,028 in drug and device payments (2025) · (562) 595-7696
Dr. Sheri Palejwala, MD
Long Beach, CA · $105 in drug and device payments (2025) · (562) 595-7696
Dr. Marshal Rosario, M.D.
Los Altos, CA · No drug or device payments recorded (2025) · (408) 828-7334
Dr. Aaron Cohen-gadol, MD
Los Angeles, CA · $190,886 in drug and device payments (2025) · (323) 626-1312
Dr. Adam Mamelak, MD
Los Angeles, CA · $136 in drug and device payments (2025) · Telehealth · (310) 423-7900
Dr. Albert Wong, M.D.
Los Angeles, CA · $13,987 in drug and device payments (2025) · Telehealth · (310) 423-9780
Dr. Alexander Tuchman, M.D.
Los Angeles, CA · $479 in drug and device payments (2025) · Telehealth · (310) 423-7900
Dr. Amenawon Okundaye, MD
Los Angeles, CA · $128 in drug and device payments (2025) · (310) 794-1195
Dr. Andrew Brunswick, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 442-5720
Dr. Anthony Wang, MD
Los Angeles, CA · $190 in drug and device payments (2025) · Telehealth · (310) 794-7502
Dr. Antonio De Salles, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-5111
Dr. Aria Fallah, MD, MSC
Los Angeles, CA · $10,449 in drug and device payments (2025) · Telehealth · (310) 794-4085
Dr. Ari Kappel, M.D.
Los Angeles, CA · $4,389 in drug and device payments (2025) · (323) 442-5720
Dr. Arun Amar, MD
Los Angeles, CA · $491 in drug and device payments (2025) · Telehealth · (323) 442-5720
Dr. Ausaf Bari, MD PHD
Los Angeles, CA · $2,067 in drug and device payments (2025) · Telehealth · (310) 825-5111
Dr. Austin Borja, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (951) 743-0056
Dr. Benjamin Szewczyk, M.D., M.S.
Los Angeles, CA · $982 in drug and device payments (2025) · (310) 825-5111
Dr. Ben Strickland, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (803) 312-4871
Dr. Bob Shafa, MD
Los Angeles, CA · $95 in drug and device payments (2025) · Telehealth · (310) 825-2111
Dr. Brian Lee, M.D.
Los Angeles, CA · $2,931 in drug and device payments (2025) · Telehealth · (323) 442-5720
Dr. Carl Lauryssen, M.D.
Los Angeles, CA · $77,013 in drug and device payments (2025) · Telehealth · (323) 272-4678
Dr. Carolyn Lai
Los Angeles, CA · $284 in drug and device payments (2025) · (323) 361-2169
Dr. Charles Liu, M.D., PHD
Los Angeles, CA · $188 in drug and device payments (2025) · (323) 442-5720
Dr. Christopher Sarkiss, M.D.
Los Angeles, CA · $257 in drug and device payments (2025) · Telehealth · (310) 593-9833
Dr. Daniel Donoho, M.D.
Los Angeles, CA · $608 in drug and device payments (2025) · (323) 226-7421
Dr. Daniel Hirt, MD
Los Angeles, CA · $88 in drug and device payments (2025) · Telehealth · (800) 954-8000
Dr. Darian Esfahani, MD, MPH
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 854-9235
Dr. Darrin Lee, MD
Los Angeles, CA · $1,240 in drug and device payments (2025) · Telehealth · (323) 442-5720
Dr. Doug Mccallum
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-2170
Dr. Eisha Christian, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-7421
Dr. Eli Baron, MD
Los Angeles, CA · $94 in drug and device payments (2025) · Telehealth · (310) 423-9779
Dr. Eric Stiner, M.D.
Los Angeles, CA · $44 in drug and device payments (2025) · (323) 333-3675
Dr. Fauzy Mahomar, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Frank Attenello, M.D., M.S.
Los Angeles, CA · $318 in drug and device payments (2025) · Telehealth · (323) 442-5720
Dr. Franklin Westhout, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 877-8916
Dr. Gabriel Zada, M.D.
Los Angeles, CA · $6,119 in drug and device payments (2025) · Telehealth · (323) 442-5720
Dr. Gary Mathern, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9111
Dr. Gautam Mehta, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (650) 704-5424
Dr. Geoffrey Colby, M.D., PH.D.
Los Angeles, CA · $115,237 in drug and device payments (2025) · Telehealth · (310) 825-5111
Dr. Itzhak Fried, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 825-5111

Conditions Neurological Surgery providers in California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Neurological Surgery providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Neurological Surgery providers are in California?

There are 929 Neurological Surgery providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Neurological Surgery providers in California offer telehealth?

Yes. 297 of the 929 Neurological Surgery providers in California (about 32%) report offering telehealth services in CMS data.

Which cities in California have the most Neurological Surgery providers?

Los Angeles (110), Stanford (86), San Francisco (76) have the highest concentration of Neurological Surgery providers in California.

How many Neurological Surgery providers in California received drug or device company payments?

581 of 929 Neurological Surgery providers in California (63%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Neurological Surgery providers in California treat?

Neurological Surgery providers commonly treat herniated disc, brain tumors, spinal stenosis, trigeminal neuralgia and related conditions. Individual practices vary, so confirm with the provider before booking.

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 Neurosurgeons in California work in independent practices or large health systems?

Among 559 Neurosurgeons in California enrolled in Medicare, 21% bill through a solo or small practice with fewer than 10 clinicians, 14% through a mid-size group of 10 to 99, and 65% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Neurosurgeons in California work at?

According to CMS facility affiliation records, the California hospitals where the most Neurosurgeons hold privileges are Stanford Health Care in Stanford; UCSF Medical Center in San Francisco; Cedars-Sinai Medical Center in Los Angeles.

Related reading on HealthcareDiscovery.AI

Neurological Surgery in all 50 states Search all 929 in the directory Ask Zach for help choosing

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Neurological Surgery in California? Get featured.