Quick answers
- Which hospitals does Dionne Davis-Collins work at?
- Medicare's official clinician data lists Dionne Davis-Collins at 2 hospitals: Mercy Medical Center and Nassau University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dionne Davis-Collins see patients?
- Medicare's clinician data lists 2 practice locations, including Rockville Center, NY and East Meadow, NY. Call before your visit to confirm the address.
- What is Dionne Davis-Collins's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Dionne Davis-Collins accept Medicare assignment?
- Yes. Medicare's clinician data says Dionne Davis-Collins 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 Dionne Davis-Collins?
- (516) 627-6624, as listed in official Medicare / NPI Registry data.
- What is Dionne Davis-Collins's NPI number?
- 1427377985. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dionne Davis-Collins works
Medicare's Facility Affiliation Data lists Dionne Davis-Collins at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Medical CenterRockville Centre, NY · Acute Care Hospital · CCN 330259
- Nassau University Medical CenterEast Meadow, NY · Acute Care Hospital · CCN 330027
Practice locations
Addresses where Dionne Davis-Collins is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 N Village AveRockville Center, NY 11570 (516) 627‑6624
- 2201 Hempstead TpkeEast Meadow, NY 11554 (516) 572‑6131
Group practices
Medicare enrollment lists Dionne Davis-Collins as a member of these groups (CMS data updated 2026-10-02).
- New York Cardiovascular Anesthesiologists, P.C.134 clinicians in the group
- Upstate Anesthesia Services, P.C.44 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), New York →
Other nurse anesthetists in Rockville Center
Clinicians with the same Medicare primary specialty in Rockville Center, NY — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427377985 |
| 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