Bill Diplas, MD, PHD
Radiation Oncology Physician · New York, NY
Bill Diplas, MD, PHD is a radiation oncology physician with a practice address in New York, New York, and NPI 1801451182, issued on May 2, 2019. Check the license (New York 318657, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Bill Diplas
- Credential
- MD, PHD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 318657 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1275 York Ave, New York, NY 10065
- Phone
- (212) 639-2000
- Enumerated
- May 2, 2019
- Record last updated
- Jun 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20250730000716); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 449 in New York → Look up another NPI →
Also registered at 1275 York Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nivedita Aanur, M.D.Internal Medicine Physician1982833471
- Amy Aaronson, AC-PNP, RNCritical Care Pediatric Nurse Practitioner1407323504
- Michelle Abboud, N.P.Acute Care Nurse Practitioner1730596008
- Gina Abdulahad, PA-CPhysician Assistant1174027064
- Wassim Abida, MD, PHDHematology & Oncology Physician1518101096
- Lincy Abraham, NPPediatric Nurse Practitioner1295003739
Verify Bill Diplas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 318657Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average radiation oncology physician in 2024
33 Medicare Part D claims for 21 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bill Diplas among 449 radiation oncology physician records in New York
Bill Diplas, MD, PHD is one of 449 radiation oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 89% of them.
- NPI issued2019 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2019 · median 2005 among the 331 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in New York
There are 449 radiation oncology physician records in New York.
All 449 in New York → Every provider in New York → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Christopher Barker, M.D.New York, NY 100651598959058
- Oren Cahlon, M.D.New York, NY 100651811155633
- Timothy Chan, MD, PHDNew York, NY 100651538205620
- Silvia Formenti, M.D.New York, NY 100651568463339
- Daniel Higginson, M.D.New York, NY 100651043472152
- Jonathan Knisely, MDNew York, NY 100651245228246
- Marisa Kollmeier, MDNew York, NY 100651215917612
- Sean McBride, MDNew York, NY 100651265671879
Common questions
What is Bill Diplas, MD, PHD's NPI number?
Bill Diplas, MD, PHD's National Provider Identifier (NPI) is 1801451182, issued on May 2, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Bill Diplas, MD, PHD located?
The NPPES record lists a practice address at 1275 York Ave, New York, NY, 10065. Phone: (212) 639-2000. Providers update this record themselves, so call before visiting.
How can I verify Bill Diplas, MD, PHD's license?
NPPES lists New York license number 318657, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Bill Diplas, MD, PHD prescribe under Medicare Part D?
In 2024, Bill Diplas, MD, PHD had 33 Medicare Part D claims for 21 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.