Ciaran Carroll, FNP, MSN
NPI 1720597339 · Family Nurse Practitioner · Clearlake, CA
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ciaran Carroll, FNP, MSN is a Family Nurse Practitioner provider in Clearlake, CA (NPI 1720597339).
Provider details
- NPI number
- 1720597339
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP, MSN
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95006668 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 4900 California AveTower B, Ste 210bBakersfield, CA 93309-9330Phone: (866) 949-0108
Registry dates
- Enumerated
- 2017-09-26
- Last updated
- 2022-01-13
- Certified
- 2022-01-10
Frequently asked questions
- What is Ciaran Carroll's NPI number?
- Ciaran Carroll's National Provider Identifier (NPI) is 1720597339, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ciaran Carroll's specialty?
- Ciaran Carroll is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ciaran Carroll located?
- Ciaran Carroll's practice location on file with NPPES is 15230 Lakeshore Dr, Clearlake, CA 95422.
- What is Ciaran Carroll's phone number?
- The practice phone number listed in the NPPES registry for Ciaran Carroll is (707) 995-2400.
- Does Ciaran Carroll accept Medicare?
- Ciaran Carroll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ciaran Carroll's NPI active?
- Yes — Ciaran Carroll's NPI (1720597339) is active in the NPPES registry as of the last update on 2022-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.