EXPRESS WALK-IN CLINIC
NPI 1417726852
Clinic/Center - Urgent Care in Apple Valley, CA
About Express Walk-in Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EXPRESS WALK-IN CLINIC (NPI 1417726852) is a healthcare organization registered as an urgent care in Apple Valley, California and active in the NPI registry since December 2023. The organization holds a CLIA Waiver certificate valid through June 25, 2028 and lists Elizabeth Scieneaux, Office Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Express Walk-in Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Express Walk-In Clinic, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians, nearest first (4)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 05D2306916
Express Walk In Clinic · Apple Valley, CAFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Express Walk-In Clinic's NPI number?
The NPI number for Express Walk-In Clinic is 1417726852. It was assigned to this organization in the NPPES registry on December 27, 2023.
Where is Express Walk-In Clinic located?
Express Walk-In Clinic is located at 18182 Us Highway 18 Ste 106, Apple Valley, CA 92307. The listed phone number is (760) 503-6120.
What is Express Walk-In Clinic's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.
Is Express Walk-In Clinic enrolled in Medicare?
Yes. Express Walk-In Clinic is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Express Walk-In Clinic?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Express Walk-In Clinic. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (3) and Internal Medicine (1). Of these, 1 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Express Walk-In Clinic hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 05D2306916) is associated with this NPI, valid through June 25, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Express Walk-In Clinic was last updated on July 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Express Walk-In Clinic · NPI 1417726852
Urgent Care organization in Apple Valley, California. Organization record, active in the CMS NPPES registry since December 27, 2023.
## Identity
- **NPI:** 1417726852 (Entity type: Organization)
- **Enumerated:** December 27, 2023
- **Primary specialty:** Clinic/Center - Urgent Care · taxonomy 261QU0200X
- **Organization subpart:** No
- **Authorized official:** Elizabeth Scieneaux, OFFICE MANAGER
## Practice location
- **Address:** 18182 US HIGHWAY 18 STE 106, Apple Valley, CA 92307-2200
- **Phone:** (760) 503-6120 · **Fax:** (760) 503-6120
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (3), Internal Medicine (1); 1 practice at this address and 4 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 29, 2025
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1417726852) · Data from the CMS NPPES public registry.