NPPES file of Aug 9, 2026

Brooke K. Leon, N.P

Family Nurse Practitioner · San Mateo, CA

Brooke K. Leon, N.P is a family nurse practitioner with a practice address in San Mateo, California, and NPI 1154561009, issued on Mar 4, 2009. Check the license (California 525190, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1154561009
Name
Brooke K. Leon
Credential
N.P
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
525190 CA
Self-reported in NPPES; status is on the state search
Practice location
290 Baldwin Ave, San Mateo, CA 94401
Phone
(650) 343-4597
Enumerated
Mar 4, 2009
Record last updated
Mar 4, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(650) 343-3402
Medicare enrollment
Enrolled (PECOS I20101027001025); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2000
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →

Also registered at 290 Baldwin Ave

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

  1. Elisabeth Denker, RN FNP-CFamily Nurse Practitioner1235363102
  2. Andrew Engler, MDAllergy & Immunology (Internal Medicine) Physician1366400384
  3. Bhushan Gupta, M.D.Allergy & Immunology Physician1326010091
  4. June Zhang, MDAllergy & Immunology Physician1174787170

Verify Brooke K. Leon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 525190    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
Find 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

55% fewer Medicare Part D claims than the average family nurse practitioner in 2024

587 Medicare Part D claims for 140 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.

  1. Brooke Leon587
  2. Specialty average1,305

Most prescribed

  1. Montelukast Sodium83 claims
  2. Trelegy Ellipta75 claims
  3. Ipratropium Bromide56 claims
  4. Albuterol Sulfate Hfa45 claims
  5. Fluticasone Propionate34 claims
  6. Levocetirizine Dihydrochloride25 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: $140.09

6 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brooke Leon$140.09
  2. Specialty average$650.95

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

Bills Medicare through one group practice

  1. Allergy And Asthma Clinic IncorporatedSan Mateo, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Brooke K. Leon among 16,966 family nurse practitioner records in California

Brooke K. Leon, N.P is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 15% of them.

  • NPI issued2009 · 15% of these records are older, 83% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2000 · median 2019 among the 6,793 with a school on file
  • Record last updated2009 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

43 family nurse practitioner records list a practice address in San Mateo

They are 43 of the 3,909 NPPES records with a practice address in San Mateo, and 16,966 family nurse practitioner records in California.

All 16,966 in California → Every provider in San Mateo → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Hayley Brown, MS, RN, FNP-CSan Mateo, CA 944011518395169
  2. Allison Bunch, NPSan Mateo, CA 944011871661207
  3. Michelle ChiSan Mateo, CA 944011972452423
  4. Amanda Cinquegrano, FNP-CSan Mateo, CA 944011548711633
  5. Elisabeth Denker, RN FNP-CSan Mateo, CA 944011235363102
  6. Cristina Diaz, FNPSan Mateo, CA 944011326859612
  7. Zahiyah Hasan, MSN, FNPSan Mateo, CA 944011851936892
  8. Kaye Labasan, NPSan Mateo, CA 944011619756400

Common questions

What is Brooke K. Leon, N.P's NPI number?

Brooke K. Leon, N.P's National Provider Identifier (NPI) is 1154561009, issued on Mar 4, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Brooke K. Leon, N.P located?

The NPPES record lists a practice address at 290 Baldwin Ave, San Mateo, CA, 94401. Phone: (650) 343-4597. Providers update this record themselves, so call before visiting.

How can I verify Brooke K. Leon, N.P's license?

NPPES lists California license number 525190, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Brooke K. Leon, N.P prescribe under Medicare Part D?

In 2024, Brooke K. Leon, N.P had 587 Medicare Part D claims for 140 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.