Dr. Brian E. William Hanak IV, MD

  • Orange, CA
  • Neurosurgeon
NPI1306137625PAC ID0547589129
Publications
26
Hospital affiliations
1
Industry payments
$2,219
Medical groups
2
Insurance carriers
15
Practice address
505 S Main St, Orange, CA 92868
Practice phone
Call (714) 509-3919
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Choc Children's Urology Center

Orange, California

See all 5 affiliations

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Dr. Brian E. William Hanak IV is a neurosurgeon in Orange, California

Dr. Hanak practices at Choc Children's Urology Center in Orange, California.

Dr. Hanak's NPI, 1306137625, was assigned on April 20, 2011. Dr. Hanak graduated from Harvard Medical School in 2011. Dr. Hanak holds California license A162995.

NPI and contact details
Medicare PAC ID
0547589129
NPI enumeration date
April 20, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 509-3919
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
41
Medical school graduation
2011

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Brian E. William Hanak IV practices at Choc Children's Urology Center in Orange, California

Dr. Hanak's primary practice is Choc Children's Urology Center, at 505 S Main St, Orange, CA 92868 in Orange County. The practice phone is (714) 509-3919.

  • Choc Children's Urology Center
    505 S Main St, Orange, CA 92868 · Orange CountyPhone(714) 509-3919

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Brian E. William Hanak IV is affiliated with 3 sites of care and 2 medical groups

Dr. Hanak's primary practice is Choc Children's Urology Center in Orange, California. Dr. Hanak is also affiliated with Loma Linda University Medical Center. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Hanak to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Hanak

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Brian E. William Hanak IV's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hanak practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Choc Children's Urology CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Brian E. William Hanak IV is one of 846 neurosurgeons in California

Neurological surgery is Dr. Hanak's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Hanak is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Hanak's licenses on file in 2 states: California and Washington.

Specialties and state licenses

  • Neurological surgery, CaliforniaPrimaryLicense A162995 · 2019 to 2027 · taxonomy 207T00000X
  • Washington license2011 to 2018

Neurosurgeons near Dr. Hanak

Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Brian E. William Hanak IV's patients have a median age of 10

Across all payers, Dmand AI patient panel data puts Dr. Hanak's median patient age at 10, with 45% women.

Dr. Hanak's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 10

Patient panel by sex, all payers

  • Women45%
  • Men55%

Source: Dmand AI Patient Panel Data

How Dr. Brian E. William Hanak IV takes part in Medicare

Dr. Hanak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Dr. Brian E. William Hanak IV has 26 publications on record

Dmand AI links 26 papers to Dr. Hanak, published from 2011 to 2024. 2015 was the busiest year, with 2. The most frequent topics are Hydrocephalus, Postoperative Complications and Cerebrospinal Fluid Shunts. Dr. Hanak has published most often in Surg Neurol Int. Dr. Hanak's most frequent co-authors are Samuel Robert Browd, MD, PhD, Randall Matthew Chesnut and Ryan Patrick Morton, MD.

Papers26
Years published2011 to 2024

Dr. Hanak's papers by year, 2012 to 2024

Topics Dr. Hanak writes about most

  • Hydrocephalus
  • Postoperative Complications
  • Cerebrospinal Fluid Shunts
  • Magnetic Resonance Imaging
  • Brain Neoplasms
  • Craniotomy
  • Astrocytes
  • Catheters

Dr. Hanak's most frequent co-authors

Recent publications by Dr. Hanak

See all 26 publications and co-authors

See who Dr. Hanak researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hanak works with, so you can find a warm path to the right neurosurgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Brian E. William Hanak IV received $2,219 in industry payments from 2016 to 2025

CMS Open Payments shows 14 general payments to Dr. Hanak from 7 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 64% of the total. Aesculap, Inc. paid the most, $1,631.

General payments to Dr. Hanak by program year, 2016 to 2025

General payments to Dr. Hanak by kind, 2016 to 2025

$2.2Kin total
  • Consulting fees$1,42564%
  • Food and beverage$72833%
  • Travel and lodging$663%

Companies that paid Dr. Hanak the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Hanak

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Brian E. William Hanak IV has 1 award and honors on record

Dmand AI lists 1 award for Dr. Hanak, most recently Hydrocephalus Association Award in 2015.

Awards and honors for Dr. Hanak

  1. 2015
    • Hydrocephalus Association Award

Source: Dmand AI Professional Profile Data

Dr. Brian E. William Hanak IV graduated from Harvard Medical School

Dr. Hanak graduated from Harvard Medical School in 2011. Dr. Hanak is a member of AANS and CNS.

  1. Medical schoolHarvard Medical School
  2. Board certified in neurological surgeryAmerican Board of Neurological Surgery

Source: Dmand AI Professional Profile Data

Dr. Brian E. William Hanak IV accepts plans from 15 insurance carriers

Dr. Hanak is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.

Plan types Dr. Hanak accepts, by number of carriers

  1. HMO8
  2. PPO8
  3. Medicare6
  4. EPO4
  5. POS4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Brian E. William Hanak IV's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Brian E. William Hanak IV

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Brian E. William Hanak IV's NPI number?

Dr. Brian E. William Hanak IV's NPI number is 1306137625. It was assigned on April 20, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Brian E. William Hanak IV?

Dr. Brian E. William Hanak IV is a neurosurgeon in Orange, California. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Brian E. William Hanak IV practice?

Dr. Hanak practices at 505 S Main St, Orange, CA 92868. Dr. Hanak's primary practice is Choc Children's Urology Center in Orange, California. Dmand AI also links Dr. Hanak to 1 group practice or clinic and 1 medical group.

What is Dr. Brian E. William Hanak IV's office phone number?

The practice phone on file for Dr. Hanak is (714) 509-3919.

What is Dr. Brian E. William Hanak IV's medical license number?

Dr. Hanak holds California license A162995, one of the licenses on file in 2 states.

Which states has Dr. Brian E. William Hanak IV been licensed in?

Dmand AI has state licenses on file for Dr. Hanak in California (2019 to 2027) and Washington (2011 to 2018).

Which hospitals is Dr. Brian E. William Hanak IV affiliated with?

Dr. Hanak is affiliated with Loma Linda University Medical Center.

What medical group is Dr. Brian E. William Hanak IV part of?

Dr. Hanak is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Dr. Hanak to 1 more medical group.

Does Dr. Brian E. William Hanak IV accept Medicare?

Yes. CMS lists Dr. Hanak as accepting Medicare assignment.

Is Dr. Brian E. William Hanak IV board certified?

Yes. Dr. Hanak is board certified in neurological surgery by the American Board of Neurological Surgery.

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Where did Dr. Brian E. William Hanak IV go to medical school?

Dr. Hanak graduated from Harvard Medical School in 2011.

Has Dr. Brian E. William Hanak IV received payments from drug or device companies?

CMS Open Payments shows $2,219 in general payments to Dr. Hanak from 7 companies from 2016 to 2025. The largest total came from Aesculap, Inc.

How long has Dr. Brian E. William Hanak IV been practicing?

Dr. Hanak graduated from medical school in 2011, 15 years ago.

Does Dr. Brian E. William Hanak IV do research?

Dmand AI links 26 publications to Dr. Hanak, published from 2011 to 2024.

Who does Dr. Brian E. William Hanak IV publish with?

Dr. Hanak's most frequent co-authors are Samuel Robert Browd, MD, PhD (5 shared papers), Randall Matthew Chesnut (3 shared papers) and Ryan Patrick Morton, MD (3 shared papers).

What insurance does Dr. Brian E. William Hanak IV accept?

Dr. Hanak is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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