Registry data as of Aug 27, 2026

Brooke Guerrero, M.D.

Neurology Physician · Sylmar, CA

Brooke Guerrero, M.D. is a neurology physician with a practice address in Sylmar, California, and NPI 1427455344, issued on Nov 20, 2014. Check the license 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
1427455344
Name
Brooke Guerrero
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
Practice location
14445 Olive View Dr, Sylmar, CA 91342
Phone
(747) 210-3104
Enumerated
Nov 20, 2014
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 14445 Olive View Dr

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

  1. Nasser Abdo, MDInternal Medicine Physician1306911649
  2. Gezman Abdullahi, M.D.Student in an Organized Health Care Education/Training Program1225394380
  3. Moyosore Abere, NPNurse Practitioner1225667314
  4. Ammini Abraham, MDAnesthesiology Physician1467531541
  5. Margarita Acosta, RN, AGACNPAcute Care Nurse Practitioner1609202415
  6. Fredric Adler, MDInternal Medicine Physician1356376735

Verify Brooke Guerrero in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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 →

65% fewer Medicare Part D claims than the average neurology physician in 2024

468 Medicare Part D claims for 82 beneficiaries, against an average of 1,356 among the 13,714 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Brooke Guerrero468
  2. Specialty average1,356

Most prescribed

  1. Baclofen50 claims
  2. Kesimpta Pen35 claims
  3. Levetiracetam34 claims
  4. Gabapentin32 claims
  5. Duloxetine Hcl23 claims
  6. Dalfampridine Er21 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.

The practice group's Medicare quality score for 2023: 87.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.9
  2. Costout of 100 · 30%49.4
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $153.51

11 payments, mostly food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 9,995 providers of this specialty with any payment received $8,603.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brooke Guerrero$153.51
  2. Specialty average$8,603.82

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

Neurology Physician providers in California

There are 2,160 neurology physician records in California.

Other neurology physician records in California

  1. Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
  2. John Aalbers, M.D.San Diego, CA1942262431
  3. Puya Abbassi, D.O.San Jose, CA1831695428
  4. Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
  5. Hadi Abou El Hassan, MDLos Angeles, CA1053995720
  6. John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
  7. Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522
  8. Scott Abramson, M.D.San Leandro, CA1891873667
  9. Valerie Acevedo, D.O.Newport Beach, CA1043258502
  10. Saviour Achilike, MDTracy, CA1033506688

Common questions

What is Brooke Guerrero, M.D.'s NPI number?

Brooke Guerrero, M.D.'s National Provider Identifier (NPI) is 1427455344, issued on Nov 20, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Brooke Guerrero, M.D. located?

The NPPES record lists a practice address at 14445 Olive View Dr, Sylmar, CA, 91342. Phone: (747) 210-3104. Providers update this record themselves, so call before visiting.

How can I verify Brooke Guerrero, M.D.'s license?

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 Brooke Guerrero, M.D. prescribe under Medicare Part D?

In 2024, Brooke Guerrero, M.D. had 468 Medicare Part D claims for 82 beneficiaries; the average among neurology physician prescribers was 1,356. Part D covers Medicare prescriptions only.

What is Brooke Guerrero, M.D.'s Medicare quality score?

The 2023 MIPS final score is 87.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.