NPPES file of Aug 9, 2026

Marilyn J. Brooks, RN,MSN,FNP-C

Family Nurse Practitioner · Riverside, CA

Marilyn J. Brooks, RN,MSN,FNP-C is a family nurse practitioner with a practice address in Riverside, California, and NPI 1366641821, issued on Jul 15, 2007. Check the license (California 13224, 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
1366641821
Name
Marilyn J. Brooks
Credential
RN,MSN,FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
13224 CA
Self-reported in NPPES; status is on the state search
Practice location
5870 Arlington Ave, Riverside, CA 92504
Phone
(951) 683-6596
Enumerated
Jul 15, 2007
Record last updated
Mar 7, 2023
Fax
(951) 683-4239
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 5870 Arlington Ave

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

  1. Ashlynn AdamsPeer Specialist1104766963
  2. Guillermo AguilarAddiction (Substance Use Disorder) Counselor1770955817
  3. Sonia AguilarAddiction (Substance Use Disorder) Counselor1710601307
  4. Raymund AlbanoAddiction (Substance Use Disorder) Registered Nurse1568233161
  5. Deanna AllenMarriage & Family Therapist1568829158
  6. Gina AlmarazCounselor1912373325

Verify Marilyn J. Brooks 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 13224
    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.

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1% more Medicare Part D claims than the average family nurse practitioner in 2024

1,315 Medicare Part D claims for 193 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 20 claims were for opioids.

  1. Marilyn Brooks1,315
  2. Specialty average1,305

Most prescribed

  1. Gabapentin67 claims
  2. Losartan Potassium60 claims
  3. Atorvastatin Calcium57 claims
  4. Lisinopril54 claims
  5. Metformin Hcl42 claims
  6. Furosemide39 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: $456.36

18 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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. Marilyn Brooks$456.36
  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.

Marilyn J. Brooks among 16,966 family nurse practitioner records in California

Marilyn J. Brooks, RN,MSN,FNP-C 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 2007, is newer than 7% of them.

  • NPI issued2007 · 7% of these records are older, 87% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2023 · 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).

184 family nurse practitioner records list a practice address in Riverside

They are 184 of the 13,893 NPPES records with a practice address in Riverside, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. R Chenise Cole, FNPRiverside, CA 925041144769753
  2. Alice Echeta, FNP, PMHNPRiverside, CA 925041003067141
  3. Maria Fernandez De Fiore, NPRiverside, CA 925041861079626
  4. Elizabeth Hernandez, FNP-CRiverside, CA 925041174057558
  5. Dan LauRiverside, CA 925041144760893
  6. Martha Mays, DNP, FNP-BCRiverside, CA 925041538580311
  7. Sally Nguyen, MSN, FNP-BCRiverside, CA 925041609502020
  8. Odion Odiagah, FNPRiverside, CA 925041740106970

Common questions

What is Marilyn J. Brooks, RN,MSN,FNP-C's NPI number?

Marilyn J. Brooks, RN,MSN,FNP-C's National Provider Identifier (NPI) is 1366641821, issued on Jul 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Marilyn J. Brooks, RN,MSN,FNP-C located?

The NPPES record lists a practice address at 5870 Arlington Ave, Riverside, CA, 92504. Phone: (951) 683-6596. Providers update this record themselves, so call before visiting.

How can I verify Marilyn J. Brooks, RN,MSN,FNP-C's license?

NPPES lists California license number 13224, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Marilyn J. Brooks, RN,MSN,FNP-C prescribe under Medicare Part D?

In 2024, Marilyn J. Brooks, RN,MSN,FNP-C had 1,315 Medicare Part D claims for 193 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.

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.