DR. JOSEPH KAMIL ANTONIOS M.D
NPI 1184007478
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Woodland Hills, CA
About Dr. Joseph Kamil Antonios M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH KAMIL ANTONIOS M.D (NPI 1184007478) is an individual adult reconstructive orthopaedic surgery provider in Woodland Hills, California, licensed in California (A145434) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Joseph Kamil Antonios M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Joseph Antonios reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Woodland Hills, CA 91367
- 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.
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.
WOODLAND HILLS, CA 91367
WOODLAND HILLS, CA 91367
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 Joseph Antonios's NPI number?
The NPI number for Joseph Antonios is 1184007478. It was assigned to this individual provider in the NPPES registry on July 4, 2015.
Where is Joseph Antonios located?
Joseph Antonios practices at 5601 De Soto Ave, Woodland Hills, CA 91367. The listed phone number is (833) 574-2273.
What is Joseph Antonios's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Adult Reconstructive Orthopaedic Surgery, with taxonomy code 207XS0114X.
Is Joseph Antonios enrolled in Medicare?
Yes. Joseph Antonios is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Joseph Antonios's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Antonios reassigns Medicare benefits to Southern California Permanente Medical Group (Woodland Hills, 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 Joseph Antonios'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 Joseph Antonios was last updated on November 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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. Joseph Kamil Antonios, M.D · NPI 1184007478
Adult Reconstructive Orthopaedic Surgery physician in Woodland Hills, California. Individual provider, active in the CMS NPPES registry since July 4, 2015.
## Identity
- **NPI:** 1184007478 (Entity type: Individual)
- **Enumerated:** July 4, 2015
- **Primary specialty:** Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery · taxonomy 207XS0114X
- **State license:** A145434 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5601 DE SOTO AVE, Woodland Hills, CA 91367-6701
- **Phone:** (833) 574-2273
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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 1952333478, Woodland Hills, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** November 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1184007478) · Data from the CMS NPPES public registry.