Quick answers
- Where does Donna D. D Alessio see patients?
- Medicare's clinician data lists 6 practice locations, including Uniondale, NY, New York, NY and Montvale, NJ. Call before your visit to confirm the address.
- What is Donna D. D Alessio's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Donna D. D Alessio accept Medicare assignment?
- Yes. Medicare's clinician data says Donna D. D Alessio 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.
- What is the phone number for Donna D. D Alessio?
- (516) 559-1000, as listed in official Medicare / NPI Registry data.
- What is Donna D. D Alessio's NPI number?
- 1790762839. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Donna D. D Alessio is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1101 Hempstead TpkeUniondale, NY 11553 (516) 559‑1000
- 1275 York AveNew York, NY 10065 (212) 639‑2000
- 160 E 53rd StNew York, NY 10022 (212) 610‑0496
- 225 Summit AveMontvale, NJ 07645 (908) 542‑3336
- 300 E 66th StNew York, NY 10065 (646) 888‑5300
Group practices
Medicare enrollment lists Donna D. D Alessio as a member of these groups (CMS data updated 2026-10-02).
- MSK Bergen255 clinicians in the group
- MSKCC Radiology Group193 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Uniondale
Clinicians with the same Medicare primary specialty in Uniondale, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1999 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790762839 |
| 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
- 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