DR. JOSEPHINE H HADUONG M.D.
NPI 1780857573
Hospitalist in Los Angeles, CA
About Dr. Josephine H Haduong M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPHINE H HADUONG M.D. (NPI 1780857573) is an individual hospitalist provider in Los Angeles, California, licensed in California (A99760) and active in the NPI registry since April 2008. 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)
Dr. Josephine H Haduong M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Josephine Haduong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Of Orange County
- 190 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 Josephine Haduong's NPI number?
The NPI number for Josephine Haduong is 1780857573. It was assigned to this individual provider in the NPPES registry on April 11, 2008.
Where is Josephine Haduong located?
Josephine Haduong practices at 4650 W Sunset Blvd Chiefs Resident Office, Los Angeles, CA 90027. The listed phone number is (323) 660-2450.
What is Josephine Haduong's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Josephine Haduong enrolled in Medicare?
Yes. Josephine Haduong is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Josephine Haduong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Josephine Haduong reassigns Medicare benefits to 2 organizations: Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, CA) and Children's Hospital Of Orange County (Orange, CA). Each 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 Josephine Haduong'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 Josephine Haduong was last updated on April 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Josephine H Haduong, M.D. · NPI 1780857573
Hospitalist physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 11, 2008.
## Identity
- **NPI:** 1780857573 (Entity type: Individual)
- **Enumerated:** April 11, 2008
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A99760 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4650 W SUNSET BLVD, CHIEFS RESIDENT OFFICE, Los Angeles, CA 90027-6062
- **Phone:** (323) 660-2450
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA); Children's Hospital Of Orange County (NPI 1275975104, Orange, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 11, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1780857573) · Data from the CMS NPPES public registry.