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Neurosurgery

Brian E. Hanak Iv, MD

Sees patients in Orange, CA · California

Summary

Brian E. Hanak Iv, MD (Neurosurgery) is enrolled with Medicare at 1 practice location in Orange, CA. NPI 1306137625. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Brian E. Hanak Iv, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

NeurosurgeryPrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
Harvard Medical SchoolMedical school
MaleGender (as listed)
Childrens Hospital of Orange CountyGroup practice

Quick answers

Where does Brian E. Hanak Iv see patients?
Medicare's clinician data lists 1 practice location in Orange, CA. Call before your visit to confirm the address.
What is Brian E. Hanak Iv's specialty?
Medicare lists Neurosurgery as the primary specialty.
Does Brian E. Hanak Iv accept Medicare assignment?
Yes. Medicare's clinician data says Brian E. Hanak Iv accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Brian E. Hanak Iv?
(888) 770-2462, as listed in official Medicare / NPI Registry data.
What is Brian E. Hanak Iv's NPI number?
1306137625. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Brian E. Hanak Iv is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Brian E. Hanak Iv as a member of this group (CMS data updated 2026-10-02).

  • Childrens Hospital of Orange County73 clinicians in the group

Specialties

Find other Neurosurgery doctors in California →

Other neurosurgeons in Orange

Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.

All neurosurgeons in Orange →

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306137625
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians