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SIMI REGIONAL URGENT CARE PC
NPI 1316808777
Clinic/Center - Urgent Care in Simi Valley, CA

Active since November 24, 2025CLIA 05D2343269 · Waiver
2925 SYCAMORE DR STE 101A, SIMI VALLEY, CA 93065(650) 580-7253 Get Directions Write a Review

NPPES record last updated: December 1, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 1, 2025, Nov 24, 2025 (2 updates tracked since 2025).

About Simi Regional Urgent Care Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIMI REGIONAL URGENT CARE PC (NPI 1316808777) is a healthcare organization registered as an urgent care in Simi Valley, California and active in the NPI registry since November 2025. The organization holds a CLIA Waiver certificate valid through May 3, 2028 and lists Divina Masaquel-santiago, Ceo, as its authorized official.

NPPES Registry Identity

NPI1316808777
Entity TypeOrganization
Primary Taxonomy261QU0200X
Legal Business NameSIMI REGIONAL URGENT CARE PC
Location Address2925 SYCAMORE DR STE 101ASimi Valley, CA 93065-1208
Mailing Address2925 Sycamore Dr Ste 101aSimi Valley, CA 93065-1208 · (925) 557-8063
Phone(650) 580-7253
Organization SubpartNo
Authorized OfficialDivina Masaquel-santiagoCeo · (650) 580-7253
Enumeration DateNovember 24, 2025
Last NPPES UpdateDecember 1, 20252 updates tracked since enumeration
NPPES CertifiedDecember 1, 2025
✔ NPI 1316808777 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Urgent CareAmbulatory Health Care Facilities
Taxonomy Code261QU0200X
2925 SYCAMORE DR STE 101A, Simi Valley, CA 93065
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Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Simi Regional Urgent Care Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Simi Regional Urgent Care PC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Jeffrey Peterson, MD
Emergency Medicine
NPI 1538240098
701 WELCH RD BLDG C
Palo Alto, CA 94304
(650) 906-4014
✔ PECOS290 mi
Divina Masaquel-Santiago, NURSE PRACTITIONER
Nurse Practitioner
NPI 1437595493
8006 BRIAR OAKS DR
San Ramon, CA 94582
(650) 580-3155
✔ PECOS✔ Accepts Medicare299 mi

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 05D2343269

Simi Regional Urgent Care PC · Simi Valley, CA
Active · expires May 3, 2028
CLIA Number05D2343269
Laboratory TypeAncillary Testing Site In Health Care Center
Certificate Effective DateMay 4, 2026
Certificate Expiration DateMay 3, 2028
Laboratory DirectorJeffery S. Petterson
Laboratory Phone(805) 465-7187
Laboratory LocationSimi Regional Urgent Care PC2925 Sycamore Drive Suite 101 A, Simi Valley, CA 93065
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Frequently 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 Simi Regional Urgent Care PC's NPI number?

The NPI number for Simi Regional Urgent Care PC is 1316808777. It was assigned to this organization in the NPPES registry on November 24, 2025.

Where is Simi Regional Urgent Care PC located?

Simi Regional Urgent Care PC is located at 2925 Sycamore Dr Ste 101A, Simi Valley, CA 93065. The listed phone number is (650) 580-7253.

What is Simi Regional Urgent Care PC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.

Is Simi Regional Urgent Care PC enrolled in Medicare?

Yes. Simi Regional Urgent Care PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Simi Regional Urgent Care PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Simi Regional Urgent Care PC, in Emergency Medicine and Nurse Practitioner. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Simi Regional Urgent Care PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2343269) is associated with this NPI, valid through May 3, 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 Simi Regional Urgent Care PC was last updated on December 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.