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

John A Longeway, PMHNP

Psychiatric/Mental Health Nurse Practitioner in Klamath Falls, OR · enumerated 2007.

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

National Provider Identifier

1952592834

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Registry record

Entity type Individual (Type 1)

Name John A Longeway

Credential PMHNP

Sex Male

Practice address Klamath Falls, OR, 97601

Phone (541) 851-1757

Fax (541) 273-6357

Enumeration date Aug 6, 2007

Last updated in NPPES Dec 1, 2011

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 110536 (IA) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 201150088NP (OR) Primary

Other identifiers

Identifier	Type	State	Issuer
1952592834	Medicaid	IA	-

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 John Longeway?

The National Provider Identifier (NPI) for John Longeway is 1952592834, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Longeway practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-01.