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Neurology & Neurosurgery – Los Angeles, California

NeurologyLos Angeles, CA

★★★★★4.7/5533 reviews across 4 platforms

Ratings by platform

  • Healthgrades (Dr. Nicholas Szumski): 4.7/5 (91 ratings)
  • Brian R. Gantwerker, MD (Internal practice data): 4.98/5 (286 reviews)
  • Healthgrades (Los Angeles Neurosurgery average): 4.2/5 (Average for 156 specialists)
  • Ethos Neuroscience Institute: 4.9/5 (Combined rating)

What patients say

Patients praise

  • exceptional communication skills, with doctors explaining complex conditions using understandable terms and analogies
  • high levels of trust and compassion, with physicians described as kind, caring, and professional
  • expertise in treating complex, rare, or recurring neurological and neurosurgical conditions
  • favorable surgical outcomes and life-improving treatment results
  • dedication of medical staff and surgical teams, including Physician Assistants
  • prompt responsiveness, even outside of standard business hours in some cases

Common complaints

  • some patients noted inability to access preferred surgeons due to insurance restrictions (e.g., Medicare not accepted)
  • occasional concerns regarding administrative wait times or scheduling processes
  • rare instances of dissatisfied patient experiences, though these are significantly outweighed by positive feedback in public testimonials

In patients' words

"He is frequently described as a caring, compassionate physician who takes time to listen to patient concerns and tailors care to individual needs. Patients appreciate his thoroughness and attention to detail."

WebMD (Dr. Nestor Gonzalez)

"His extensive knowledge and his passion for practicing medicine are a breath of fresh air. I'm very grateful for his [care]."

Healthgrades (Dr. Nicholas Szumski)

"I’ve been delighted with my experience. Suffice it to say, I would highly recommend Dr. Barkhoudarian and his team at PNI."

Pacific Neuroscience Institute (Patient Story)

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 10, 2026 — sources: [1][2][3][4][5][6][7][8].

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