Joseph Carroll, FNP
NPI 1598041261 · Family Nurse Practitioner · San Marcos, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Carroll, FNP is a Family Nurse Practitioner provider in San Marcos, CA (NPI 1598041261).
Provider details
- NPI number
- 1598041261
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Male
- Sole proprietor
- No
- License
- 707882 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 45 | 28 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 31 | 28 |
| Prednisone | 30 | 29 |
| Doxycycline Hyclate | 25 | 25 |
| Azithromycin | 24 | 23 |
| Naproxen | 21 | 21 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 18 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$35 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-10-26
- Last updated
- 2023-01-25
- Certified
- 2023-01-25
Frequently asked questions
- What is Joseph Carroll's NPI number?
- Joseph Carroll's National Provider Identifier (NPI) is 1598041261, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Carroll's specialty?
- Joseph Carroll is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joseph Carroll located?
- Joseph Carroll's practice location on file with NPPES is 150 Valpreda Rd, San Marcos, CA 92069-2973.
- What is Joseph Carroll's phone number?
- The practice phone number listed in the NPPES registry for Joseph Carroll is (760) 736-6767.
- Does Joseph Carroll accept Medicare?
- Joseph Carroll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Carroll's NPI active?
- Yes — Joseph Carroll's NPI (1598041261) is active in the NPPES registry as of the last update on 2023-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.