KAREN ZAGHIYAN, MD
NPI 1154837656
Colon & Rectal Surgery in West Hollywood, CA
About Karen Zaghiyan, Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN ZAGHIYAN, MD (NPI 1154837656) is a healthcare organization registered as a colon & rectal surgery in West Hollywood, California and active in the NPI registry since December 2017. The organization lists Karen Zaghiyan, Owner/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)
Karen Zaghiyan, Md 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 Karen Zaghiyan, MD, 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 Karen Zaghiyan, MD's NPI number?
The NPI number for Karen Zaghiyan, MD is 1154837656. It was assigned to this organization in the NPPES registry on December 19, 2017.
Where is Karen Zaghiyan, MD located?
Karen Zaghiyan, MD is located at 8737 Beverly Blvd Ste 101, West Hollywood, CA 90048. The listed phone number is (310) 289-9224.
What is Karen Zaghiyan, MD's specialty?
The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.
Is Karen Zaghiyan, MD enrolled in Medicare?
Yes. Karen Zaghiyan, MD is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Karen Zaghiyan, MD?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Colorectal Surgery (Proctology)) reassigns their Medicare billing to Karen Zaghiyan, MD. 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 Karen Zaghiyan, MD was last updated on December 19, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Karen Zaghiyan, Md · NPI 1154837656
Colon & Rectal Surgery organization in West Hollywood, California. Organization record, active in the CMS NPPES registry since December 19, 2017.
## Identity
- **NPI:** 1154837656 (Entity type: Organization)
- **Enumerated:** December 19, 2017
- **Primary specialty:** Colon & Rectal Surgery · taxonomy 208C00000X
- **Organization subpart:** No
- **Authorized official:** Karen Zaghiyan, OWNER/PRESIDENT
## Practice location
- **Address:** 8737 BEVERLY BLVD STE 101, West Hollywood, CA 90048-1835
- **Phone:** (310) 289-9224
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Colorectal Surgery (Proctology)) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 19, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1154837656) · Data from the CMS NPPES public registry.