Holloway Nursing Corporation
NPI 1417888025 · Nurse Practitioner · Winchester, CA
Holloway Nursing Corporation is a Nurse Practitioner organization in Winchester, CA (NPI 1417888025).
Provider details
- NPI number
- 1417888025
- Entity type
- Organization
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Callie Holloway, Nurse Practitioner(951) 764-0385
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
Under 1 yr in 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
- 2026-05-25
- Last updated
- 2026-05-25
- Certified
- 2026-05-25
Frequently asked questions
- What is Holloway Nursing Corporation's NPI number?
- Holloway Nursing Corporation's National Provider Identifier (NPI) is 1417888025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Holloway Nursing Corporation?
- Holloway Nursing Corporation is classified in the NPPES registry as Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Holloway Nursing Corporation located?
- Holloway Nursing Corporation's practice location on file with NPPES is 33413 Rusty Ct, Winchester, CA 92596-1736.
- What is Holloway Nursing Corporation's phone number?
- The practice phone number listed in the NPPES registry for Holloway Nursing Corporation is (951) 764-0385.
- Who is the authorized official for Holloway Nursing Corporation?
- The authorized official listed on Holloway Nursing Corporation's NPPES record is Callie Holloway, Nurse Practitioner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Holloway Nursing Corporation's NPI active?
- Yes — Holloway Nursing Corporation's NPI (1417888025) is active in the NPPES registry as of the last update on 2026-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.