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Edit this profileBrian Hwang, MD is a healthcare provider in Laguna Hills, CA specializing in neurological surgery. Brian trained at Columbia University College of Physicians and Surgeons, graduating in 2011. According to Medicare claims data, Brian cared for 357 Medicare patients across 581 services. The services billed most often include critical care, first 30-74 minutes, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and new patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more. This provider record is associated with NPI 1699087908.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
23961 CALLE DE LA MAGDALENA STE 405
Laguna Hills, CA 92653
Within Neurological Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Brain & spine conditions
Brain conditions
Brain disorders
Brain injury
Brain tumors
Movement disorders
Nerve disorders
Pain
Pediatric conditions
Spine & back
Spine conditions
Spine deformity
Trauma & injury
Nerves & spine
Most searched procedures
Brain & spine surgery
Brain procedures
Brain surgery
Cranial reconstruction
Diagnostic & therapeutic
Endovascular procedures
Functional neurosurgery
Monitoring & trauma
Nerve procedures
Nerve surgery
Pain procedures
Pediatric neurosurgery
Radiation & radiosurgery
Radiation surgery
Skull base surgery
Spasticity treatment
Spine procedures
Spine surgery
Vascular neurosurgery
581 services · 357 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
203 | More than most peers in Neurological Surgery |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
127 | More than most peers in Neurological Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
110 | More than most peers in Neurological Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
89 | More often than most peers in Neurological Surgery |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
52 | More often than most peers in Neurological Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Hwang is a neurosurgeon in Laguna Hills, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurological Surgery”.
NPI registry
Dr. Hwang is listed at 23961 Calle de la Magdalena Ste 405, Laguna Hills, CA 92653. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (610) 357-5324. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Hwang's National Provider Identifier is 1699087908. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Hwang attended Columbia University College of Physicians and Surgeons, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
Dr. Hwang has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Hwang the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hwang. If this is you, claiming it is free.
Guide.md
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