DR. JOHN L. LEDERER M.D.
NPI 1740253327
Radiology - Radiation Oncology in Honolulu, HI
About Dr. John L. Lederer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN L. LEDERER M.D. (NPI 1740253327) is an individual radiation oncology provider in Honolulu, Hawaii, licensed in Hawaii (6681) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Pali Momi Medical Center, and is a graduate of Baylor College Of Medicine (1980).
NPPES Registry Identity
Specialties & Licenses
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
Dr. John L. Lederer 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 Reassignments
2Medicare enrollment records show John Lederer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Honolulu, HI 96817
- Reassigned Medicare billing, Hawaii enrollment
- 6 clinicians in this Medicare group
Honolulu, HI 96817
- Reassigned Medicare billing, Hawaii enrollment
- 6 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 30
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Pali Momi Medical Center
Acute Care Hospitals · Aiea, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 96817 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HONOLULU, HI 96817
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 John Lederer's NPI number?
The NPI number for John Lederer is 1740253327. It was assigned to this individual provider in the NPPES registry on February 13, 2006.
Where is John Lederer located?
John Lederer practices at 2226 Liliha St Ste B2, Honolulu, HI 96817. The listed phone number is (808) 547-6881.
What is John Lederer's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is John Lederer enrolled in Medicare?
Yes. John Lederer 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 John Lederer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Lederer reassigns Medicare benefits to 2 organizations: Cancer Center Of Hawaii, LLC (Honolulu, HI) and Pacific Radiation Oncology LLC (Honolulu, 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 John Lederer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Lederer accept?
Health plans from HMSA and Kaiser Permanente list John Lederer 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 John Lederer affiliated with any hospitals?
According to CMS data, John Lederer is affiliated with Pali Momi Medical Center.
When was this NPI record last updated?
The NPPES record for John Lederer was last updated on June 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.