Quick answers
- Which hospitals does John L. Lederer work at?
- Medicare's official clinician data lists John L. Lederer at 1 hospital: Pali Momi Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John L. Lederer see patients?
- Medicare's clinician data lists 2 practice locations, including Honolulu, HI and Aiea, HI. Call before your visit to confirm the address.
- What is John L. Lederer's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does John L. Lederer accept Medicare assignment?
- Yes. Medicare's clinician data says John L. Lederer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does John L. Lederer offer telehealth?
- Medicare's clinician data says John L. Lederer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John L. Lederer?
- (808) 547-6881, as listed in official Medicare / NPI Registry data.
- What is John L. Lederer's NPI number?
- 1740253327. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John L. Lederer works
Medicare's Facility Affiliation Data lists John L. Lederer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Pali Momi Medical CenterAiea, HI · Acute Care Hospital · CCN 120026
Practice locations
Addresses where John L. Lederer is enrolled with Medicare (CMS data updated 2026-10-02).
- 2226 Liliha St, Suite B2Honolulu, HI 96817 (808) 547‑6881
- 98 -1005 Moanalua Rd, Spc 4010Aiea, HI 96701 (808) 628‑5684
Group practices
Medicare enrollment lists John L. Lederer as a member of these groups (CMS data updated 2026-10-02).
- Cancer Center of Hawaii LLC6 clinicians in the group
- Pacific Radiation Oncology LLC6 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Honolulu
Clinicians with the same Medicare primary specialty in Honolulu, HI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Baylor College Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1740253327 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians