YVES A DE CLERCK MD
NPI 1619077799
Pediatrics - Pediatric Hematology-Oncology in Los Angeles, CA
About Yves A De Clerck Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YVES A DE CLERCK MD (NPI 1619077799) is an individual pediatric hematology-oncology provider in Los Angeles, California, licensed in California (A32094) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Yves A De Clerck Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Yves De Clerck 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.
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 Yves De Clerck's NPI number?
The NPI number for Yves De Clerck is 1619077799. It was assigned to this individual provider in the NPPES registry on September 25, 2006.
Where is Yves De Clerck located?
Yves De Clerck practices at 4650 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (323) 669-2121.
What is Yves De Clerck's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Yves De Clerck enrolled in Medicare?
Yes. Yves De Clerck is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Yves De Clerck's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yves De Clerck 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 Yves De Clerck'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 Yves De Clerck was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Yves A De Clerck, MD · NPI 1619077799
Pediatric Hematology-Oncology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since September 25, 2006.
## Identity
- **NPI:** 1619077799 (Entity type: Individual)
- **Enumerated:** September 25, 2006
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** A32094 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4650 W SUNSET BLVD, Los Angeles, CA 90027-6062
- **Phone:** (323) 669-2121 · **Fax:** (323) 660-7128
## 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 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified WA32094A (CA); Medicaid 00A320940 (CA); Other 00A320940 G15 (CA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1619077799) · Data from the CMS NPPES public registry.