Registry data as of Aug 27, 2026

Brian Hwang, MD

Neurological Surgery Physician · Laguna Hills, CA

Brian Hwang, MD is a neurological surgery physician with a practice address in Laguna Hills, California, and NPI 1699087908, issued on Jul 2, 2010. Check the license (California A175159, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1699087908
Name
Brian Hwang
Credential
MD
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
A175159 CA
Self-reported in NPPES; status is on the state search
Practice location
23961 Calle DE LA Magdalena Ste 405, Laguna Hills, CA 92653
Phone
(610) 357-5324
Enumerated
Jul 2, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 23961 Calle DE LA Magdalena Ste 405

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Crystal HuiPhysician Assistant1427838234
  2. Chloe JacobsClinical Social Worker1447108931
  3. Jason Liauw, M.D.Neurological Surgery Physician1285806091
  4. Farzad Massoudi, M.D.Neurological Surgery Physician1437144599
  5. Haley StauberNeurological Surgery Physician1154962066
  6. Richard Vela, PA-CPhysician Assistant1558028373

Verify Brian Hwang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A175159
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

63% fewer Medicare Part D claims than the average neurological surgery physician in 2024

70 Medicare Part D claims for 36 beneficiaries, against an average of 189 among the 4,152 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 27 claims were for opioids.

  1. Brian Hwang70
  2. Specialty average189

Most prescribed

  1. Cyclobenzaprine Hcl19 claims
  2. Oxycodone-Acetaminophen19 claims
  3. Gabapentin11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $14,723.75

51 payments, mostly food and beverage; the largest payer was Spineart USA Inc. The 5,024 providers of this specialty with any payment received $15,526.12 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian Hwang$14,723.75
  2. Specialty average$15,526.12

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Orthopaedic Specialty Institute Medical Group OF Orange CountyIrvine, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Neurological Surgery Physician providers in California

There are 885 neurological surgery physician records in California.

Other neurological surgery physician records in California

  1. Mohamad Abbass, MDStanford, CA1679492151
  2. Samy Abdou, MDSan Diego, CA1215085006
  3. Kumar Abhinav, BSC MBBS, FRCS(SN)Stanford, CA1003331000
  4. Moustapha Abou-Samra, MDVentura, CA1194719807
  5. Bret Abshire, M.D.Murrieta, CA1992741912
  6. Deyaaldeen Abu Reesh, MDPalo Alto, CA1073201521
  7. Imad Abumeri, M.D.Bakersfield, CA1295732980
  8. Achal Achrol, M.D.Loma Linda, CA1275783276
  9. Geoffrey Adey, MDWalnut Creek, CA1447362520
  10. John Adler, MDStanford, CA1780736199

Common questions

What is Brian Hwang, MD's NPI number?

Brian Hwang, MD's National Provider Identifier (NPI) is 1699087908, issued on Jul 2, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Brian Hwang, MD located?

The NPPES record lists a practice address at 23961 Calle DE LA Magdalena Ste 405, Laguna Hills, CA, 92653. Phone: (610) 357-5324. Providers update this record themselves, so call before visiting.

How can I verify Brian Hwang, MD's license?

NPPES lists California license number A175159, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Brian Hwang, MD prescribe under Medicare Part D?

In 2024, Brian Hwang, MD had 70 Medicare Part D claims for 36 beneficiaries; the average among neurological surgery physician prescribers was 189. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.