Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Cate Elizabeth Oconnor, PMHNP-BC

Q: What is the NPI number for Cate Oconnor?

The National Provider Identifier (NPI) for Cate Oconnor is 1639015654, a Type 1 (individual) record in the CMS NPPES registry.

Psychiatric/Mental Health Nurse Practitioner in Middleville, MI · enumerated 2026.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1639015654

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Registry record

Entity type Individual (Type 1)

Name Cate Elizabeth Oconnor

Credential PMHNP-BC

Sex Female

Practice address Middleville, MI, 49333

Phone (517) 605-4545

Enumeration date Apr 24, 2026

Last updated in NPPES Apr 24, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704300990 (MI) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Cate Oconnor?

The National Provider Identifier (NPI) for Cate Oconnor is 1639015654, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cate Oconnor practice?

The practice location on file with NPPES is in Middleville, MI. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-24.