WARREN C STOUT MD A MEDICAL CORP
NPI 1972647493
Ophthalmology in Pasadena, CA
About Warren C Stout Md A Medical Corp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WARREN C STOUT MD A MEDICAL CORP (NPI 1972647493) is a healthcare organization registered as an ophthalmology in Pasadena, California and active in the NPI registry since February 2007. The organization lists Warren C. Stout, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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)
Warren C Stout Md A Medical Corp 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 Warren C Stout MD A Medical Corp, which bills Medicare for the services they deliver. Of these, 2 practice 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.
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 Warren C Stout MD A Medical Corp's NPI number?
The NPI number for Warren C Stout MD A Medical Corp is 1972647493. It was assigned to this organization in the NPPES registry on February 16, 2007.
Where is Warren C Stout MD A Medical Corp located?
Warren C Stout MD A Medical Corp is located at 800 E. Colorado Blvd. Suite 260, Pasadena, CA 91101. The listed phone number is (626) 449-6494.
What is Warren C Stout MD A Medical Corp's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Warren C Stout MD A Medical Corp enrolled in Medicare?
Yes. Warren C Stout MD A Medical Corp is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Warren C Stout MD A Medical Corp?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Warren C Stout MD A Medical Corp, in Ophthalmology and Optometry. 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, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Warren C Stout MD A Medical Corp was last updated on June 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Warren C Stout Md A Medical Corp · NPI 1972647493
Ophthalmology organization in Pasadena, California. Organization record, active in the CMS NPPES registry since February 16, 2007.
## Identity
- **NPI:** 1972647493 (Entity type: Organization)
- **Enumerated:** February 16, 2007
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **Organization subpart:** No
- **Authorized official:** Warren Stout, PRESIDENT
## Practice location
- **Address:** 800 E. COLORADO BLVD., SUITE 260, Pasadena, CA 91101
- **Phone:** (626) 449-6494 · **Fax:** (626) 449-0313
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Ophthalmology (1), Optometry (1); 2 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 16, 2015
- **Other identifiers:** Medicare ID-Type Unspecified W10850 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1972647493) · Data from the CMS NPPES public registry.