Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Abby Doering, ARNP

Psychiatric/Mental Health Nurse Practitioner in Waterloo, IA · enumerated 2020.

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

National Provider Identifier

1962025767

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Registry record

Entity type Individual (Type 1)

Name Mrs. Abby Doering

Credential ARNP

Sex Female

Practice address 164 W Dale St, Waterloo, IA, 50703

Phone (319) 226-2170

Enumeration date May 27, 2020

Last updated in NPPES Nov 22, 2022

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License G158857 (IA) 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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Abby Doering?

Abby Doering is registered in NPPES with the primary taxonomy of Psychiatric/Mental Health Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-11-22.