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Clinic Type

Neurology/Neurosurgery

Address

Not specified on page

Phone

(888) 321-DOCS

Email

foundation@northwell.edu

Opening Hours

Our representatives are available to schedule your appointment Monday through Friday from 9am to 5pm.

Services Offered

  • Neurosurgery
  • Neurology
  • Neurosurgical outpatient care
  • Interventional neuroradiology
  • Endovascular treatment
  • Neurocritical care
  • Deep brain stimulation surgery
  • Cerebrovascular surgery
  • Skull base surgery
  • Stenting of carotid and vertebral arteries
  • Venus sinus stenting
  • Angiography (cerebral/spinal)
  • Brain and spine tumor treatment
  • Treatment of traumatic brain injury
  • Subdural hematoma management
  • Subarachnoid hemorrhage management
  • Stroke care
  • Pulsatile tinnitus treatment
  • Normal pressure hydrocephalus (NPH) management
  • Moyamoya disease management
  • Carotid/vertebral dissection treatment
  • Brain aneurysm treatment
  • AVMs/arteriovenous fistula management
  • Concussion management
  • Cavernous malformations
  • Hyperhidrosis treatment
  • Acoustic neuroma surgery
  • Endoscopic skull base surgery
  • Deep brain stimulation (Parkinson’s/essential tremor)
  • Medical and surgical management of cranial nerve disorders
  • Traumatic brain/spinal cord injury treatment

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades (Dr. Peter Hollis): 3.0/5 stars (21 ratings)

Patients praise

  • High surgical expertise and successful outcomes for complex procedures
  • Caring and dedicated clinical teams
  • Effective post-operative care and pain management
  • Professional and courteous office staff reported by some patients

Common complaints

  • Long wait times for appointments
  • Some patients reported poor communication or bedside manner from specific physicians
  • Lack of adequate time spent with patients during consultations

"Dr. Eisenberg saved my life... He removed the entire tumor so there is no need for radiation. My pain is very manageable. I highly recommend Dr. Eisenberg."

Patient testimonial for Dr. Mark Eisenberg on WebMD

"Nice guy- I’m sure smart doctor - horrible at explaining, listening, providing information to his patients. His goal was to cut and that was all he cared about. Save yourself- don’t go to this office."

Patient review on Healthgrades

"This is the longest wait time we had for a doctor's appointment. busy schedule but waiting for more than 2 hours. The surgeon tremendously did..."

Yelp review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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