LIANE SAMIRA SADDER MD
NPI 1023505948
Pediatrics - Pediatric Gastroenterology in Los Angeles, CA
About Liane Samira Sadder Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LIANE SAMIRA SADDER MD (NPI 1023505948) is an individual pediatric gastroenterology provider in Los Angeles, California, licensed in California (A194192) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Liane Samira Sadder Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Liane Sadder 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
- 13,921 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
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 Liane Sadder's NPI number?
The NPI number for Liane Sadder is 1023505948. It was assigned to this individual provider in the NPPES registry on April 16, 2018.
Where is Liane Sadder located?
Liane Sadder practices at 4700 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (323) 493-7377.
What is Liane Sadder's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Liane Sadder enrolled in Medicare?
Yes. Liane Sadder is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Liane Sadder's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Liane Sadder reassigns Medicare benefits to Southern California Permanente Medical Group (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 Liane Sadder'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 Liane Sadder was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.
# Liane Samira Sadder, MD · NPI 1023505948
Pediatric Gastroenterology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 16, 2018.
## Identity
- **NPI:** 1023505948 (Entity type: Individual)
- **Enumerated:** April 16, 2018
- **Primary specialty:** Pediatrics - Pediatric Gastroenterology · taxonomy 2080P0206X
- **State license:** A194192 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4700 W SUNSET BLVD, Los Angeles, CA 90027-6070
- **Phone:** (323) 493-7377
## 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:** Southern California Permanente Medical Group (NPI 1134151657, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1023505948) · Data from the CMS NPPES public registry.