Dr. Ayal Aizer, MD
Radiation Oncology (Radiation Oncology Physician)
- Medicare participating
At a glance
- Medical school
- Yale University School of Medicine (2009)
- Years since graduation
- 17
- In the NPI registry since
- 2009
- Medicare patients seen, 2024
- 142
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2009Medical school: Yale University School of Medicine
- 2009Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Radiation Oncology Physician primary
MA license 250087 -
Student in an Organized Health Care Education/Training Program
MA license 240981
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Brigham and Women's Hospital Boston, MA
- Massachusetts General Hospital Boston, MA
- Cooley Dickinson Hospital Inc,the Northampton, MA
- Massachusetts Eye and Ear Infirmary - Boston, MA
Medical groups
- Brigham and Womens Physicians Organization Inc (2,994 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 142
- Services billed
- 680
- Patients’ average age
- 70
| Service | Times | Patients |
|---|---|---|
| Calculation of radiation therapy dose | 219 | 45 |
| Established patient office or other outpatient visit, 40-54 minutes | 96 | 57 |
| Established patient office or other outpatient visit, 30-39 minutes | 64 | 45 |
| High precision radiation therapy planning | 54 | 43 |
| Design and construction of radiation treatment device for high precision radiation therapy | 54 | 43 |
| Complex radiation therapy planning | 50 | 39 |
| Special radiation treatment | 49 | 39 |
| Established patient office or other outpatient visit, 20-29 minutes | 40 | 34 |
| Ct guidance for insertion of radiation therapy fields | 32 | 13 |
| Design and construction of complex radiation treatment device | 29 | 26 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Levetiracetam Other prescribers in Boston, MA | 16 |
| Dexamethasone Other prescribers in Boston, MA | 14 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Industry-funded research
Named as a principal investigator on 4 industry-funded studies in 2025, from 1 companies. The companies reported $102,419 in research payments for these studies, mostly to the institutions running them.
- Adaptivelydelivered LINAC radiosurgery for volatile brain metastases with same dayplanning and margin reduction?x9D
Siemens Medical Solutions USA, Inc. - Whole brain radiation versus stereotactic radiation using a one isocenter technique in patients with 5-20 brain metastases: A phase III, randomized cl
Siemens Medical Solutions USA, Inc. - Adaptivelydelivered LINAC radiosurgery for volatile brain metastases with same dayplanning and margin reduction
Siemens Medical Solutions USA, Inc. - Adaptively-delivered LINAC radiosurgery for volatile brainmetastases with same day planning and margin reduction
Siemens Medical Solutions USA, Inc.
From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.