Alexandra Mackenzie, APRN, PMHNP-BC
NPI 1164256376 · Psychiatric/Mental Health Nurse Practitioner · Johnston, RI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Mackenzie, APRN, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Johnston, RI (NPI 1164256376).
Provider details
- NPI number
- 1164256376
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, PMHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- APRN04583 (RI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 1445 Wampanoag Trl Unit 202Riverside, RI 02915-1019Phone: (401) 437-4116
Registry dates
- Enumerated
- 2024-08-29
- Last updated
- 2025-12-09
- Certified
- 2025-12-09
Frequently asked questions
- What is Alexandra Mackenzie's NPI number?
- Alexandra Mackenzie's National Provider Identifier (NPI) is 1164256376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Mackenzie's specialty?
- Alexandra Mackenzie is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexandra Mackenzie located?
- Alexandra Mackenzie's practice location on file with NPPES is 1443 Hartford Ave, Johnston, RI 02919-3224.
- What is Alexandra Mackenzie's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Mackenzie is (401) 273-8100.
- Does Alexandra Mackenzie accept Medicare?
- Alexandra Mackenzie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Mackenzie's NPI active?
- Yes — Alexandra Mackenzie's NPI (1164256376) is active in the NPPES registry as of the last update on 2025-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.