Lydia Ann Walker, RN
NPI 1376568584 · Family Nurse Practitioner · San Luis Obispo, CA
Lydia Ann Walker, RN is a Family Nurse Practitioner provider in San Luis Obispo, CA (NPI 1376568584).
Provider details
- NPI number
- 1376568584
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- NPF 2998 (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
19 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
Mailing address
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2011-09-22
Frequently asked questions
- What is Lydia Ann Walker's NPI number?
- Lydia Ann Walker's National Provider Identifier (NPI) is 1376568584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lydia Ann Walker's specialty?
- Lydia Ann Walker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lydia Ann Walker located?
- Lydia Ann Walker's practice location on file with NPPES is 1334 Marsh St, San Luis Obispo, CA 93401-3316.
- What is Lydia Ann Walker's phone number?
- The practice phone number listed in the NPPES registry for Lydia Ann Walker is (805) 543-2724.
- Is Lydia Ann Walker's NPI active?
- Yes — Lydia Ann Walker's NPI (1376568584) is active in the NPPES registry as of the last update on 2011-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.