ARDATH KAI YAMAGA MD
NPI 1215024658
Pediatrics - Pediatric Gastroenterology in Los Angeles, CA
About Ardath Kai Yamaga Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARDATH KAI YAMAGA MD (NPI 1215024658) is an individual pediatric gastroenterology provider in Los Angeles, California, licensed in California (A54931) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ardath Kai Yamaga Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ardath Yamaga reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90027 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
LOS ANGELES, CA 90027
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 Ardath Yamaga's NPI number?
The NPI number for Ardath Yamaga is 1215024658. It was assigned to this individual provider in the NPPES registry on October 6, 2006.
Where is Ardath Yamaga located?
Ardath Yamaga practices at 4650 W Sunset Blvd Ms# 78, Los Angeles, CA 90027. The listed phone number is (323) 669-2181.
What is Ardath Yamaga's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Ardath Yamaga enrolled in Medicare?
Yes. Ardath Yamaga is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ardath Yamaga's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ardath Yamaga reassigns Medicare benefits to Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA). The 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 Ardath Yamaga's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ardath Yamaga was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Ardath Kai Yamaga, MD · NPI 1215024658
Pediatric Gastroenterology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since October 6, 2006.
## Identity
- **NPI:** 1215024658 (Entity type: Individual)
- **Enumerated:** October 6, 2006
- **Primary specialty:** Pediatrics - Pediatric Gastroenterology · taxonomy 2080P0206X
- **State license:** A54931 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4650 W SUNSET BLVD, MS# 78, Los Angeles, CA 90027-6062
- **Phone:** (323) 669-2181 · **Fax:** (323) 664-0718
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 21, 2022
- **Other identifiers:** Medicaid 00A549310 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1215024658) · Data from the CMS NPPES public registry.