NPPES file of Aug 9, 2026

Darrel James Brown, FNPC

Family Nurse Practitioner · Rio Vista, CA

Darrel James Brown, FNPC is a family nurse practitioner with a practice address in Rio Vista, California, and NPI 1568469922, issued on Jun 30, 2005. Check the license (California 365877, 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
1568469922
Name
Darrel James Brown
Credential
FNPC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
365877 CA
Self-reported in NPPES; status is on the state search
Practice location
500 Main St, Rio Vista, CA 94571
Phone
(707) 374-3142
Enumerated
Jun 30, 2005
Record last updated
Sep 13, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(707) 374-3148
Medicare enrollment
Enrolled (PECOS I20050615000952); may accept Medicare assignment
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.
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Verify Darrel James Brown 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 365877
    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
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39% more Medicare Part D claims than the average family nurse practitioner in 2024

1,808 Medicare Part D claims for 124 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 160 claims were for opioids.

  1. Darrel Brown1,808
  2. Specialty average1,305

Most prescribed

  1. Gabapentin77 claims
  2. Amlodipine Besylate75 claims
  3. Hydrocodone-Acetaminophen73 claims
  4. Atorvastatin Calcium70 claims
  5. Trazodone Hcl42 claims
  6. Metoprolol Succinate40 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.

1 family nurse practitioner records list a practice address in Rio Vista

They are 1 of the 46 NPPES records with a practice address in Rio Vista, and 16,966 family nurse practitioner records in California.

Other family nurse practitioner records in California

  1. Danielle Aaroe, FAMILY NURSE PRACTITOroville, CA1750767083
  2. Joshua AaronMission Hills, CA1477291805
  3. Orly Aaron, NPSan Francisco, CA1376912451
  4. Paris Gilbert Russ AaronSacramento, CA1871079111
  5. Tiffanne Aaronsen, FNPIndio, CA1568191807
  6. Alvin Joseph Abad, FNP-CSan Francisco, CA1154919306
  7. Frances Abad, FNPLos Angeles, CA1053504514
  8. Nnenna AbaezeLong Beach, CA1457820763
  9. Raymond Abagat, FNPTorrance, CA1306685821
  10. Ashley AbalCastaic, CA1740140698

Common questions

What is Darrel James Brown, FNPC's NPI number?

Darrel James Brown, FNPC's National Provider Identifier (NPI) is 1568469922, issued on Jun 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Darrel James Brown, FNPC located?

The NPPES record lists a practice address at 500 Main St, Rio Vista, CA, 94571. Phone: (707) 374-3142. Providers update this record themselves, so call before visiting.

How can I verify Darrel James Brown, FNPC's license?

NPPES lists California license number 365877, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Darrel James Brown, FNPC prescribe under Medicare Part D?

In 2024, Darrel James Brown, FNPC had 1,808 Medicare Part D claims for 124 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.