WALTER F KERWIN MD A MEDICAL CORPORATION
NPI 1710001193
Specialist in Los Angeles, CA
About Walter F Kerwin Md A Medical Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WALTER F KERWIN MD A MEDICAL CORPORATION (NPI 1710001193) is a healthcare organization registered as a specialist in Los Angeles, California and active in the NPI registry since March 2007. The organization lists Walter F Kerwin, Md, 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)
Walter F Kerwin Md A Medical Corporation 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 Walter F Kerwin MD A Medical Corporation, 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 Walter F Kerwin MD A Medical Corporation's NPI number?
The NPI number for Walter F Kerwin MD A Medical Corporation is 1710001193. It was assigned to this organization in the NPPES registry on March 19, 2007.
Where is Walter F Kerwin MD A Medical Corporation located?
Walter F Kerwin MD A Medical Corporation is located at 8631 W 3rd St Suite 1017, Los Angeles, CA 90048. The listed phone number is (310) 289-0141.
What is Walter F Kerwin MD A Medical Corporation's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Walter F Kerwin MD A Medical Corporation enrolled in Medicare?
Yes. Walter F Kerwin MD A Medical Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Walter F Kerwin MD A Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Cardiovascular Disease (Cardiology)) reassigns their Medicare billing to Walter F Kerwin MD A Medical 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Walter F Kerwin MD A Medical Corporation was last updated on June 25, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Walter F Kerwin Md A Medical Corporation · NPI 1710001193
Specialist organization in Los Angeles, California. Organization record, active in the CMS NPPES registry since March 19, 2007.
## Identity
- **NPI:** 1710001193 (Entity type: Organization)
- **Enumerated:** March 19, 2007
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Walter Kerwin, MD
## Practice location
- **Address:** 8631 W 3RD ST, SUITE 1017, Los Angeles, CA 90048-5901
- **Phone:** (310) 289-0141 · **Fax:** (310) 289-0144
## 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:** June 25, 2014
- **Other identifiers:** Medicare ID-Type Unspecified G75336 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1710001193) · Data from the CMS NPPES public registry.