Physician Profile
Unclaimed ProfileAbout LEDERER
John L. Lederer, M.D. is a healthcare provider in Honolulu, HI specializing in radiation oncology. John trained at Baylor College of Medicine, graduating in 1980. Medicare claims data shows John provided 3,199 services to 1,185 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Lederer specialize in?
Dr. Lederer is a radiation oncology in Honolulu, HI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RADIATION ONCOLOGY”.
NPI registry
Where is Dr. Lederer located?
Dr. Lederer is listed at 2226 LILIHA ST STE B2, Honolulu, HI 96817. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Lederer's phone number?
The number on file is (808) 547-6881. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Lederer?
Dr. Lederer's National Provider Identifier is 1740253327. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Lederer go to medical school?
Dr. Lederer attended Baylor College of Medicine, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lederer have?
Dr. Lederer has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Lederer do most often?
According to Medicare billing data, Dr. Lederer performs procedures including placement of device in prostate for radiation therapy; reads or performs imaging such as ct guidance for insertion of radiation therapy fields and calculation of radiation therapy dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Lederer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lederer. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (808) 547-6881
- Email not available
Practice Locations
2226 LILIHA ST STE B2
Honolulu, HI 96817
Procedures Most Often Billed to Medicare
3,199 services · 1,185 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Placement of device in prostate for radiation therapy | Procedure | 55876 |
33 |
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
489 |
| Calculation of radiation therapy dose | Imaging | 77300 |
454 |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
328 |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
209 |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
155 |
| High precision radiation therapy planning | Imaging | 77301 |
104 |
| Complex radiation therapy planning | Imaging | 77263 |
84 |
| 3d radiation therapy planning | Imaging | 77295 |
82 |
| Continuing radiation therapy consultation per week | Imaging | 77336 |
77 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other radiation oncology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other radiation oncology specialists in Honolulu 8
Same specialty, same city.
More connections — 17 related providers in 3 groups
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1980 at Baylor College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Placement of device in prostate for radiation therapy 1
Providers in HI who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.