NADER A. KASHANI MD
NPI 1285793893
Internal Medicine - Hematology & Oncology in Irvine, CA
About Nader A. Kashani Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NADER A. KASHANI MD (NPI 1285793893) is an individual hematology & oncology provider in Irvine, California, licensed in California (G66680) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Hilo Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
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
Nader A. Kashani Md 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 Reassignments
3Medicare enrollment records show Nader Kashani reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Anchorage, AK 99508
- Reassigned Medicare billing, Texas enrollment
- 1,373 clinicians in this Medicare group
Hilo, HI 96720
- Reassigned Medicare billing, Hawaii enrollment
- 263 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hilo Medical Center
Acute Care Hospitals · Hilo, HIKau Hospital
Critical Access Hospitals · Pahala, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92618 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IRVINE, CA 92618
IRVINE, CA 92618
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 Kashani's NPI number?
The NPI number for Nader Kashani is 1285793893. It was assigned to this individual provider in the NPPES registry on December 8, 2006.
Where is Nader Kashani located?
Nader Kashani practices at 113 Waterworks Way Ste 245, Irvine, CA 92618. The listed phone number is (949) 777-5970.
What is Nader Kashani's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Nader Kashani enrolled in Medicare?
Yes. Nader Kashani 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 organizations bill Medicare for Nader Kashani's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nader Kashani reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Anaheim, CA), Alaska Native Tribal Health Consortium (Anchorage, AK) and Hilo Benioff Medical Center (Hilo, HI). 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 Nader Kashani's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nader Kashani accept?
Health plans from HMSA list Nader Kashani as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Nader Kashani affiliated with any hospitals?
According to CMS data, Nader Kashani is affiliated with Hilo Medical Center and Kau Hospital.
When was this NPI record last updated?
The NPPES record for Nader Kashani 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 A. Kashani, MD · NPI 1285793893
Hematology & Oncology physician in Irvine, California. Individual provider, active in the CMS NPPES registry since December 8, 2006.
## Identity
- **NPI:** 1285793893 (Entity type: Individual)
- **Enumerated:** December 8, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** G66680 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 113 WATERWORKS WAY STE 245, Irvine, CA 92618-3175
- **Phone:** (949) 777-5970 · **Fax:** (949) 649-7447
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA); Alaska Native Tribal Health Consortium (NPI 1437189339, Anchorage, AK); Hilo Benioff Medical Center (NPI 1780757856, Hilo, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 1988
## Record status
- **NPPES last updated:** April 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1285793893) · Data from the CMS NPPES public registry.