NADER JAVADI MD A PROFESSIONAL CORPORATION
NPI 1871867135
Internal Medicine - Hematology & Oncology in Calabasas, CA
About Nader Javadi Md A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NADER JAVADI MD A PROFESSIONAL CORPORATION (NPI 1871867135), doing business as Hope Health Center, is a healthcare organization registered as a hematology & oncology in Calabasas, California and active in the NPI registry since March 2012. The organization lists Nader Javadi, Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Nader Javadi Md A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by February 28, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Nader Javadi MD A Professional Corporation, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Nader Javadi MD A Professional Corporation's NPI number?
The NPI number for Nader Javadi MD A Professional Corporation is 1871867135. It was assigned to this organization in the NPPES registry on March 5, 2012. The provider is doing business as Hope Health Center.
Where is Nader Javadi MD A Professional Corporation located?
Nader Javadi MD A Professional Corporation is located at 24100 Calabasas Rd Ste 100, Calabasas, CA 91302. The listed phone number is (818) 578-6454.
What is Nader Javadi MD A Professional Corporation's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Nader Javadi MD A Professional Corporation enrolled in Medicare?
Yes. Nader Javadi MD A Professional Corporation is registered in the Medicare PECOS enrollment system.
When is Nader Javadi MD A Professional Corporation's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Nader Javadi MD A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Hematology/Oncology) reassigns their Medicare billing to Nader Javadi MD A Professional Corporation. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Nader Javadi MD A Professional Corporation was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Nader Javadi Md A Professional Corporation · NPI 1871867135
Hematology & Oncology organization in Calabasas, California. Organization record, active in the CMS NPPES registry since March 5, 2012.
## Identity
- **NPI:** 1871867135 (Entity type: Organization)
- **Enumerated:** March 5, 2012
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Also known as:** Hope Health Center (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Nader Javadi, DIRECTOR
## Practice location
- **Address:** 24100 CALABASAS RD STE 100, Calabasas, CA 91302-1636
- **Phone:** (818) 578-6454 · **Fax:** (818) 578-6571
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Hematology/Oncology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1871867135) · Data from the CMS NPPES public registry.