Alexandra Haley Mackenzie, APRN, PMHNP-BC
Alexandra Haley Mackenzie, APRN, PMHNP-BC is a Nurse Practitioner in Johnston, Rhode Island. Qualified in 2024, 2 years ago. Practices with Gateway Healthcare Inc, a 64-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Rhode Island.
- Years since qualifying
- 2
- Licensed in
- RI
- In the registry since
- 2024
- Specialties on file
- 2
What do these letters mean?
Practice location Address checks out
1443 Hartford AveJohnston, RI 02919-3224
Phone: (401) 273-8100
Show map & directions
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (1)
- 1445 Wampanoag Trl Unit 202, Riverside, RI 02915-1019 — (401) 437-4116
Specialties & licences
| Psychiatric/Mental Health Nurse Practitioner (primary) | Taxonomy 363LP0808X · Licence APRN04583 (RI) |
|---|---|
| Registered Nurse | Taxonomy 163W00000X · Licence RN62588 (RI) |
Record details
| NPI number | 1164256376 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | APRN , PMHNP-BC |
| Sole proprietor | No |
| NPI enumerated | August 29, 2024 |
| Last updated in NPPES | December 9, 2025 |
| Certification date | December 9, 2025 |
Medicare enrollment
| Medicare specialty | NURSE PRACTITIONER |
|---|---|
| Medical school | OTHER |
| Graduated | 2024 (2 years in practice) |
| Group practice | Gateway Healthcare Inc — 64 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
Other providers in Johnston
-
Judith Adewuyi
1524 Atwood Ave, Johnston, RI 02919-3228 · (401) 259-0340
-
Alden Psychiatric Services, LLC
1395 Atwood Ave Ste 201, Johnston, RI 02919-4931 · (401) 415-8901
-
Patricia L Giarrusso, PMHNP
1126 Hartford Ave, Johnston, RI 02919-7109 · (401) 351-2750
-
Michael Gunson
11 Commerce Way Ste 5, Johnston, RI 02919-4613 · (401) 606-2610