STANLEY J ALEXANDER MD INC
NPI 1689760597
Internal Medicine - Rheumatology in Arcadia, CA
About Stanley J Alexander Md Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STANLEY J ALEXANDER MD INC (NPI 1689760597) is a healthcare organization registered as a rheumatology in Arcadia, California and active in the NPI registry since October 2006. The organization lists Stanley J Alexander, Owner, 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)
Stanley J Alexander Md 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 Stanley J Alexander MD 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 Stanley J Alexander MD Inc's NPI number?
The NPI number for Stanley J Alexander MD Inc is 1689760597. It was assigned to this organization in the NPPES registry on October 5, 2006.
Where is Stanley J Alexander MD Inc located?
Stanley J Alexander MD Inc is located at 1505 S Baldwin Ave Suite A, Arcadia, CA 91007. The listed phone number is (626) 446-1972.
What is Stanley J Alexander MD Inc's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Stanley J Alexander MD Inc enrolled in Medicare?
Yes. Stanley J Alexander MD Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Stanley J Alexander MD Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Rheumatology) reassigns their Medicare billing to Stanley J Alexander MD 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 Stanley J Alexander MD Inc was last updated on April 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.
# Stanley J Alexander Md Inc · NPI 1689760597
Rheumatology organization in Arcadia, California. Organization record, active in the CMS NPPES registry since October 5, 2006.
## Identity
- **NPI:** 1689760597 (Entity type: Organization)
- **Enumerated:** October 5, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **Organization subpart:** No
- **Authorized official:** Stanley Alexander, OWNER
## Practice location
- **Address:** 1505 S BALDWIN AVE, SUITE A, Arcadia, CA 91007-7925
- **Phone:** (626) 446-1972
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Rheumatology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 16, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1689760597) · Data from the CMS NPPES public registry.