NPI Portal NPI Lookup & Verification

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

Dr. Robert Carl Westerman, DNP-PMHNP

Psychiatric/Mental Health Nurse Practitioner in Waddell, AZ · enumerated 2020 · practices at Creative Aesthetics LLC.

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

National Provider Identifier

1417569138

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Robert Carl Westerman
Credential DNP-PMHNP
Sex Male
Practice address Waddell, AZ, 85355
Phone (602) 781-4176
Fax (602) 532-7426
Enumeration date Aug 24, 2020
Last updated in NPPES Aug 26, 2026

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

Taxonomy & licenses

163WA0400X Addiction (Substance Use Disorder) Registered Nurse Nursing Service Providers · License RN217054 (AZ) Secondary
363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 268522 (AZ) 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 Robert Westerman?
The National Provider Identifier (NPI) for Robert Westerman is 1417569138, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Westerman practice?
The practice location on file with NPPES is in Waddell, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-26.