Michelle Onacki, PSY-MH N.P.
NPI 1558459651 · Psychiatric/Mental Health Nurse Practitioner · Tempe, AZ
Michelle Onacki, PSY-MH N.P. is a Psychiatric/Mental Health Nurse Practitioner provider in Tempe, AZ (NPI 1558459651).
Provider details
- NPI number
- 1558459651
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PSY-MH N.P.
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP2408 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2006-10-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Michelle Onacki's NPI number?
- Michelle Onacki's National Provider Identifier (NPI) is 1558459651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Onacki's specialty?
- Michelle Onacki is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michelle Onacki located?
- Michelle Onacki's practice location on file with NPPES is 4015 S Mcclintock Dr, Tempe, AZ 85282-5877.
- What is Michelle Onacki's phone number?
- The practice phone number listed in the NPPES registry for Michelle Onacki is (480) 775-8811.
- Is Michelle Onacki's NPI active?
- Yes — Michelle Onacki's NPI (1558459651) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.