WINDY CITY MEDICAL CLINIC PROFESSIONAL CORPORATION
NPI 1164567426
Clinic/Center - Primary Care in Barstow, CA
About Windy City Medical Clinic Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WINDY CITY MEDICAL CLINIC PROFESSIONAL CORPORATION (NPI 1164567426) is a healthcare organization registered as a primary care in Barstow, California and active in the NPI registry since February 2007. The organization holds a CLIA Waiver certificate valid through February 13, 2028 and lists Kathy A Alva, Billing Office Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Windy City Medical Clinic Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Windy City Medical Clinic Professional Corporation, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians, nearest first (2)
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 05D0970431
Windy City Medical Clinic · Barstow, 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 Windy City Medical Clinic Professional Corporation's NPI number?
The NPI number for Windy City Medical Clinic Professional Corporation is 1164567426. It was assigned to this organization in the NPPES registry on February 21, 2007.
Where is Windy City Medical Clinic Professional Corporation located?
Windy City Medical Clinic Professional Corporation is located at 500 S 7th Ave Ste A, Barstow, CA 92311. The listed phone number is (760) 255-2400.
What is Windy City Medical Clinic Professional Corporation's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Windy City Medical Clinic Professional Corporation enrolled in Medicare?
Yes. Windy City Medical Clinic Professional Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Windy City Medical Clinic Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Family Practice, reassign their Medicare billing to Windy City Medical Clinic Professional Corporation. 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. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Windy City Medical Clinic Professional Corporation hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 05D0970431) is associated with this NPI, valid through February 13, 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 Windy City Medical Clinic Professional Corporation was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Windy City Medical Clinic Professional Corporation · NPI 1164567426
Primary Care organization in Barstow, California. Organization record, active in the CMS NPPES registry since February 21, 2007.
## Identity
- **NPI:** 1164567426 (Entity type: Organization)
- **Enumerated:** February 21, 2007
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Organization subpart:** No
- **Authorized official:** Kathy Alva, BILLING OFFICE MANAGER
## Practice location
- **Address:** 500 S 7TH AVE STE A, Barstow, CA 92311-3057
- **Phone:** (760) 255-2400 · **Fax:** (760) 957-7517
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians (Family Practice) reassign Medicare billing to this organization (form CMS-855R); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 11, 2025
- **Other identifiers:** Medicaid 00G778041 (CA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1164567426) · Data from the CMS NPPES public registry.