Joseph Brian Carroll, FNP
Family Nurse Practitioner · San Marcos, CA
Joseph Brian Carroll, FNP is a family nurse practitioner with a practice address in San Marcos, California, and NPI 1598041261, issued on Oct 26, 2011. Check the license (California 21334, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph Brian Carroll
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 21334 CA
707882 CA
Self-reported in NPPES; status is on the state search - Practice location
- 150 Valpreda RD, San Marcos, CA 92069
- Phone
- (760) 736-6767
- Enumerated
- Oct 26, 2011
- Record last updated
- Jan 25, 2023
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 150 Valpreda RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lynda Ariella, PHDClinical Psychologist1073518965
- Maria BanuelosCase Manager/Care Coordinator1720280589
Verify Joseph Brian Carroll in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21334Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average family nurse practitioner in 2024
493 Medicare Part D claims for 209 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Fluticasone Propionate45 claims
- Albuterol Sulfate Hfa31 claims
- Prednisone30 claims
- Doxycycline Hyclate25 claims
- Azithromycin24 claims
- Naproxen21 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: $34.84
2 payments; by number, the most common kind was food and beverage; the largest payer was Advanced Oxygen Therapy 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Joseph Brian Carroll among 16,966 family nurse practitioner records in California
Joseph Brian Carroll, FNP 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 2011, is newer than 19% of them.
- NPI issued2011 · 19% of these records are older, 79% 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).
45 family nurse practitioner records list a practice address in San Marcos
They are 45 of the 1,985 NPPES records with a practice address in San Marcos, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in San Marcos → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Alejandra Cabral, F.N.P.San Marcos, CA 920691699222620
- Ryan Clapp, NPSan Marcos, CA 920691841649761
- Regina Garcia, FNP-CSan Marcos, CA 920691639673858
- Reynaldo Hacinas, NPSan Marcos, CA 920691215304860
- Lung Louie, FNPSan Marcos, CA 920691487995684
- Alissa Macias, MSN FNP-BCSan Marcos, CA 920691952658445
- Karen Murphy, FNPSan Marcos, CA 920691730160961
- Mekrae Parsons, FNPSan Marcos, CA 920691972090306
Common questions
What is Joseph Brian Carroll, FNP's NPI number?
Joseph Brian Carroll, FNP's National Provider Identifier (NPI) is 1598041261, issued on Oct 26, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Brian Carroll, FNP located?
The NPPES record lists a practice address at 150 Valpreda RD, San Marcos, CA, 92069. Phone: (760) 736-6767. Providers update this record themselves, so call before visiting.
How can I verify Joseph Brian Carroll, FNP's license?
NPPES lists California license number 21334, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph Brian Carroll, FNP prescribe under Medicare Part D?
In 2024, Joseph Brian Carroll, FNP had 493 Medicare Part D claims for 209 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.