IndividualActive
Cynthia Llewellyn, RN
NPI 1861720229 · Registered Nurse · Willow Creek, CA
Cynthia Llewellyn, RN is a Registered Nurse provider in Willow Creek, CA (NPI 1861720229).
Provider details
- NPI number
- 1861720229
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 723756 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
38883 Highway 299
Willow Creek, CA 95573
Phone: (530) 629-3111
Fax: (530) 629-3122
Street-level locationGet directions
Mailing address
670 9th St
Arcata, CA 95521-6248
Registry dates
- Enumerated
- 2009-11-24
- Last updated
- 2009-11-24
Frequently asked questions
- What is Cynthia Llewellyn's NPI number?
- Cynthia Llewellyn's National Provider Identifier (NPI) is 1861720229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Llewellyn's specialty?
- Cynthia Llewellyn is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Cynthia Llewellyn located?
- Cynthia Llewellyn's practice location on file with NPPES is 38883 Highway 299, Willow Creek, CA 95573.
- What is Cynthia Llewellyn's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Llewellyn is (530) 629-3111.
- Is Cynthia Llewellyn's NPI active?
- Yes — Cynthia Llewellyn's NPI (1861720229) is active in the NPPES registry as of the last update on 2009-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.