REX J WINTERS M D INC
NPI 1396823969
Internal Medicine - Cardiovascular Disease in Cypress, CA
About Rex J Winters M D Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REX J WINTERS M D INC (NPI 1396823969) is a healthcare organization registered as a cardiovascular disease in Cypress, California and active in the NPI registry since November 2006. The organization lists Rex Winters, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 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)
Rex J Winters M D Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Rex J Winters M D Inc, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Rex J Winters M D Inc's NPI number?
The NPI number for Rex J Winters M D Inc is 1396823969. It was assigned to this organization in the NPPES registry on November 1, 2006.
Where is Rex J Winters M D Inc located?
Rex J Winters M D Inc is located at 10601 Walker St Ste 100, Cypress, CA 90630. The listed phone number is (714) 656-2140.
What is Rex J Winters M D Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Rex J Winters M D Inc enrolled in Medicare?
Yes. Rex J Winters M D Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Rex J Winters M D Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiovascular Disease (Cardiology)) reassigns their Medicare billing to Rex J Winters M D Inc. 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.
When was this NPI record last updated?
The NPPES record for Rex J Winters M D Inc was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Rex J Winters M D Inc · NPI 1396823969
Cardiovascular Disease organization in Cypress, California. Organization record, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1396823969 (Entity type: Organization)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **Organization subpart:** No
- **Authorized official:** Rex Winters, PRESIDENT
## Practice location
- **Address:** 10601 WALKER ST STE 100, Cypress, CA 90630-4744
- **Phone:** (714) 656-2140
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Cardiovascular Disease (Cardiology)) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 29, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1396823969) · Data from the CMS NPPES public registry.