NORTHEASTERN HEALTH SYSTEM
NPI 1619031465
Psychiatric Unit in Tahlequah, OK

Active since December 19, 2006
1400 E DOWNING ST, TAHLEQUAH, OK 74464(918) 456-0641 Get Directions Write a Review

NPPES record last updated: April 6, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Northeastern Health System NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NORTHEASTERN HEALTH SYSTEM (NPI 1619031465), doing business as Tahlequah Hospital Authority, is a healthcare organization registered as a psychiatric unit in Tahlequah, Oklahoma and active in the NPI registry since December 2006. The organization lists Brian Woodliff, Ceo, as its authorized official.

NPPES Registry Identity

NPI1619031465
Entity TypeOrganization
Primary Taxonomy273R00000X
Legal Business NameNORTHEASTERN HEALTH SYSTEM
Location Address1400 E DOWNING STTahlequah, OK 74464-3324
Mailing Address1400 E Downing St, Po Box 1008Tahlequah, OK 74464-3324 · (918) 456-0641
Organization SubpartNo
Authorized OfficialBrian WoodliffCeo · (918) 456-0641
Enumeration DateDecember 19, 2006
Last NPPES UpdateApril 6, 2026
NPPES CertifiedApril 6, 2026
NPI 1619031465 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatric UnitHospital Units
Taxonomy Code273R00000X
License Licensed in OK · 2178
Definition
In general, a distinct unit of a hospital that provides acute or long-term care to emotionally disturbed patients, including patients admitted for diagnosis and those admitted for treatment of psychiatric problems on the basis of physicians' orders and approved nursing care plans. Long-term care may include intensive supervision to the chronically mentally ill, mentally disordered or other mentally incompetent persons; (2) For Medicare, a distinct part of a general acute care hospital admitting only patients whose admission to the unit is required for active treatment, whose treatment is of an intensity that can be provided only in an inpatient hospital setting, and whose condition is described by a psychiatric principal diagnosis contained in the Third Edition of the American Psychiatric Association Diagnostic and Statistical Manual or in Chapter 5 (Mental Disorders) of the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM). The unit must furnish, through the use of qualified personnel, psychological services, social work services, psychiatric nursing, occupational therapy, and recreational therapy. The unit must maintain medical records that permit determination of the degree and intensity of treatment provided to individuals who are furnished services in the unit; the unit must meet special staff requirements in that the unit must have adequate numbers of qualified professional and supportive staff to evaluate inpatients, formulate written, individualized, comprehensive treatment plans, provide active treatment measures and engage in discharge planning.
1400 E DOWNING ST, Tahlequah, OK 74464

Other Names 1

Former Legal Business NameTahlequah Hospital Authority

Other Identifiers 1

Medicaid100700680AOK

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

General Acute Care Hospital
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Hospitalist
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Student in an Organized Health Care Education/Training Program
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Student in an Organized Health Care Education/Training Program
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Physician Assistant (Medical)
1400 E DOWNING ST
TAHLEQUAH, OK 74464
General Practice
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Nurse Anesthetist, Certified Registered
1400 E DOWNING ST
TAHLEQUAH, OK 74464
Internal Medicine
1400 E DOWNING ST
TAHLEQUAH, OK 74464

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Northeastern Health System's NPI number?

The NPI number for Northeastern Health System is 1619031465. It was assigned to this organization in the NPPES registry on December 19, 2006. The provider was formerly known as Tahlequah Hospital Authority.

Where is Northeastern Health System located?

Northeastern Health System is located at 1400 E Downing St, Tahlequah, OK 74464. The listed phone number is (918) 456-0641.

What is Northeastern Health System's specialty?

The primary specialty registered for this NPI is Psychiatric Unit with taxonomy code 273R00000X.

When was this NPI record last updated?

The NPPES record for Northeastern Health System was last updated on April 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.