JOHN A LONGEWAY (PMHNP) – Psychiatric/Mental Health Nurse Practitioner, NPI 1952592834

Psychiatric/Mental Health Nurse Practitioner

JOHN A LONGEWAY (PMHNP) is a healthcare provider. based in Klamath falls, Oregon. specializing in Psychiatric/Mental Health Nurse Practitioner. They hold the professional credentials PMHNP. They hold a License No. 110536 (IA). The NPI Number for JOHN A LONGEWAY (PMHNP) is 1952592834

Main info

Male

Sole Proprietor

19 Years Of Experience

Accepts Medicare Assignment

Name

JOHN A LONGEWAY (PMHNP)

NPI

1952592834

Phone

(541) 851-1757

Address

905 MAIN ST

Enumeration Date

6 August 2007

Last Update Date

1 December 2011

Doctor Profile

Medical School Name

UNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE

Secondary Phone

5032317480

Graduation Year

2007 (19 years ago)

PAC ID

3870688534

Group Practice PAC ID

1254237522

Professional Enrollment ID

I20150211000429

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience59

Completeness75

Years active:18State licenses:2Digital endpointsOther names

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Provider Addresses for JOHN A LONGEWAY (PMHNP)

905, Main Street, Klamath Falls, Klamath County, Oregon, 97601, United States
SUITE 615
KLAMATH FALLS, OR 976015810
Phone: (541) 851-1757
Fax: (541) 273-6357
Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 97601)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 1254237522View full group profile

Name	Specialty	State
GARRICK D JACKSON (LCSW)	Clinical Social Worker	OR
BARBARA E GILBERTSON	-	CA
KRYSTA M ROBINSON (B.S, QMHP, CACD I,)	Clinical Social Worker	OR
SUSAN E. JAMIEL (PMHNP/ANP)	-	WA
REBECCA HAMPTON	Mental Health Counselor	OR
CARA CALDWELL (APRN)	Nurse Practitioner	NV
OLGA MARCHENKOVA (LPC)	Mental Health Counselor	OR
CAROLINE GENTRY TIEN (LCSW, MSW)	Clinical Social Worker	OR
NANCY LAMUSGA	Mental Health Counselor	WA
ERIC RENICKER (N.P.)	Nurse Practitioner	CO

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Frequently asked questions

Can I verify JOHN A LONGEWAY (PMHNP) with an NPI only?

You can start verification with NPI 1952592834 for JOHN A LONGEWAY (PMHNP), then check state licensing separately.

Can I rely on JOHN A LONGEWAY (PMHNP) being an active provider?

As of the registry snapshot, JOHN A LONGEWAY (PMHNP) is marked active.

What is JOHN A LONGEWAY (PMHNP)'s specialty?

The listing groups JOHN A LONGEWAY (PMHNP) with Psychiatric/Mental Health Nurse Practitioner. Clinical services aligned with this taxonomy classification.

Where should I expect JOHN A LONGEWAY (PMHNP) on a map?

Expect Klamath Falls, Oregon as a primary anchor for JOHN A LONGEWAY (PMHNP) unless the record lists multiple sites.

Why does JOHN A LONGEWAY (PMHNP) have multiple addresses?

2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.