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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. Harold Phillips, MD
Palo Alto, CA · $425 in drug and device payments (2025) · (650) 497-8000
Dr. Jenli Waters, MD
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Laura Prolo, MD, PHD
Palo Alto, CA · $252 in drug and device payments (2025) · (650) 497-8000
Dr. Linden Fornoff, M.D.
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 497-8000
Dr. Lucio De Maria, VISITING
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 497-8000
Dr. Mark Bigder, M.D.
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 723-6469
Dr. Mark Krel, D.O.
Palo Alto, CA · $3,677 in drug and device payments (2025) · Telehealth · (818) 421-0130
Dr. Moumin Awadelkarim Khalil Mohamed
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 283-1338
Dr. Natalie Limoges, DO
Palo Alto, CA · $76 in drug and device payments (2025) · (650) 497-8000
Dr. Nirmeen Zagzoog, MSC, MD, PHD
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 725-0701
Dr. Paul Jackson, MD
Palo Alto, CA · $440 in drug and device payments (2025) · Telehealth · (650) 321-4121
Dr. Syed Uzair Ahmed, MD
Palo Alto, CA · No drug or device payments recorded (2025) · (650) 723-4000
Dr. Thomas Wilson, MD
Palo Alto, CA · $383 in drug and device payments (2025) · Telehealth · (650) 723-4000
Dr. Tim Darsaut, M.D., MSC., FRCS(C)
Palo Alto, CA · No drug or device payments recorded (2025) · (780) 232-7745
Dr. Celene Mulholland, M.D., MPH
Pasadena, CA · $453 in drug and device payments (2025) · Telehealth · (626) 793-8194
Dr. Ian Ross, M.D.
Pasadena, CA · $814 in drug and device payments (2025) · (626) 793-8194
Dr. Igor Fineman, M.D.
Pasadena, CA · $744 in drug and device payments (2025) · Telehealth · (626) 535-9552
Dr. Lance Gravely, MD
Pasadena, CA · No drug or device payments recorded (2025) · (323) 221-1302
Dr. Paul Kaloostian, MD
Pasadena, CA · No drug or device payments recorded (2025) · (323) 633-5419
Dr. Rosemary Chequer, M.D.
Patton, CA · No drug or device payments recorded (2025) · (909) 425-7679
Dr. John Harris, M.D.
Pebble Beach, CA · No drug or device payments recorded (2025) · (831) 375-1442
Dr. Robert Chow, M.D.
Piedmont, CA · $116 in drug and device payments (2025) · (510) 654-9713
Dr. Thomas Mampalam, M.D.
Pinole, CA · No drug or device payments recorded (2025) · (510) 724-9888
Dr. Moses Taghioff, M.D.
Pleasanton, CA · No drug or device payments recorded (2025) · (925) 461-0770
Dr. Aaron Cutler, M.D.
Pomona, CA · $104 in drug and device payments (2025) · (909) 450-0369
Dr. Benjamin Ball, MD
Pomona, CA · $181 in drug and device payments (2025) · Telehealth · (099) 450-0369
Dr. Donald Ye, M.D.
Pomona, CA · $63 in drug and device payments (2025) · (909) 450-0369
Dr. Jose Rodriguez, MD
Pomona, CA · No drug or device payments recorded (2025) · (909) 450-0369
Dr. Lew Disney, MD
Pomona, CA · No drug or device payments recorded (2025) · (909) 450-0369
Dr. Ramin Amirnovin, MD
Pomona, CA · $1,575 in drug and device payments (2025) · (909) 450-0369
Dr. Richard Young, M.D.
Pomona, CA · $6,377 in drug and device payments (2025) · (909) 450-0369
Dr. Scott Lederhaus, MD
Pomona, CA · No drug or device payments recorded (2025) · (909) 450-0369
Dr. Sharyn Brekhus, M.D.
Pomona, CA · $27 in drug and device payments (2025) · (909) 865-1020
Dr. Siraj Gibani, M.D.
Pomona, CA · $1,507 in drug and device payments (2025) · (909) 450-0369
Dr. Srinath Samudrala, M.D.
Pomona, CA · $216 in drug and device payments (2025) · (909) 865-1020
Dr. Yvette Marquez, MD
Pomona, CA · No drug or device payments recorded (2025) · (909) 865-1020
Dr. Vrijesh Tantuwaya, MD
Poway, CA · No drug or device payments recorded (2025) · (858) 312-5016
Dr. Alfred Shen, M.D.
Rancho Mirage, CA · $1,475 in drug and device payments (2025) · (760) 895-0639
Dr. Farhad Limonadi, MD
Rancho Mirage, CA · $119 in drug and device payments (2025) · (760) 895-0639
Dr. James Fowler, DO
Rancho Mirage, CA · $2,256 in drug and device payments (2025) · (760) 610-8781
Dr. Afrassiab Guity, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 244-6246
Dr. Federico Castro-moure, M.D.
Redding, CA · $5,101 in drug and device payments (2025) · (510) 290-4154
Dr. Jamshid Saleh, M.D.
Redding, CA · No drug or device payments recorded (2025) · (530) 243-6811
Dr. Lars Widdel, MD
Redding, CA · No drug or device payments recorded (2025) · Telehealth · (530) 806-1190
Dr. Vladimir Cortez, DO
Redlands, CA · $224 in drug and device payments (2025) · (909) 283-4101
Dr. Adhikari Reddy, MD
Redwood City, CA · No drug or device payments recorded (2025) · (650) 299-2290
Dr. Alexander Kleider, MD
Redwood City, CA · No drug or device payments recorded (2025) · (650) 299-2000
Dr. Allen Efron, MD
Redwood City, CA · No drug or device payments recorded (2025) · (650) 299-2000
Dr. Arjun Pendharkar, MD
Redwood City, CA · $7,218 in drug and device payments (2025) · (650) 299-2294
Dr. Cecil Jun, MD
Redwood City, CA · No drug or device payments recorded (2025) · (650) 299-2000

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.