J. W. DUNCAN MD A MEDICAL CORPORATION
NPI 1205072154
Specialist in Los Angeles, CA
About J. W. Duncan Md A Medical Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
J. W. DUNCAN MD A MEDICAL CORPORATION (NPI 1205072154) is a healthcare organization registered as a specialist in Los Angeles, California and active in the NPI registry since December 2008. The organization lists Stephanie Duncan, Office Manager, 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)
J. W. Duncan Md A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to J. W. Duncan MD A Medical 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 (4)
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 J. W. Duncan MD A Medical Corporation's NPI number?
The NPI number for J. W. Duncan MD A Medical Corporation is 1205072154. It was assigned to this organization in the NPPES registry on December 24, 2008.
Where is J. W. Duncan MD A Medical Corporation located?
J. W. Duncan MD A Medical Corporation is located at 711 W College St Suite 625, Los Angeles, CA 90012. The listed phone number is (323) 267-0222.
What is J. W. Duncan MD A Medical Corporation's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is J. W. Duncan MD A Medical Corporation enrolled in Medicare?
Yes. J. W. Duncan MD A Medical Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through J. W. Duncan MD A Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to J. W. Duncan 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. The largest specialties are Orthopedic Surgery (3) and Neurosurgery (1). 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.
When was this NPI record last updated?
The NPPES record for J. W. Duncan MD A Medical Corporation was last updated on December 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# J. W. Duncan Md A Medical Corporation · NPI 1205072154
Specialist organization in Los Angeles, California. Organization record, active in the CMS NPPES registry since December 24, 2008.
## Identity
- **NPI:** 1205072154 (Entity type: Organization)
- **Enumerated:** December 24, 2008
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Organization subpart:** No
- **Authorized official:** Stephanie Duncan, OFFICE MANAGER
## Practice location
- **Address:** 711 W COLLEGE ST, SUITE 625, Los Angeles, CA 90012-1163
- **Phone:** (323) 267-0222 · **Fax:** (213) 621-4440
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Orthopedic Surgery (3), Neurosurgery (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 24, 2008
- **Other identifiers:** Other C38275 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1205072154) · Data from the CMS NPPES public registry.