NORTHEASTERN HEALTH SYSTEM
NPI 1528122371
Rehabilitation 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: November 08, 2026.

About Northeastern Health System NPPES

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

NORTHEASTERN HEALTH SYSTEM (NPI 1528122371), doing business as Tahlequah Hospital Authority, is a healthcare organization registered as a rehabilitation 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

NPI1528122371
Entity TypeOrganization
Primary Taxonomy273Y00000X
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 1528122371 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRehabilitation UnitHospital Units
Taxonomy Code273Y00000X
License✔ Licensed in OK · 2178
Definition
In general, a distinct unit of a general acute care hospital that provides care encompassing a comprehensive array of restoration services for the disabled and all support services necessary to help patients attain their maximum functional capacity. Source: AHA Annual Survey p. A10 1996 AHA Guide. For Medicare, a distinct part of a general acute care hospital providing inpatient rehabilitation services that meets the following requirements. Rehabilitation Units have in effect a preadmission screening procedure under which each prospective patient's condition and medical history are reviewed to determine whether the patient is likely to benefit significantly from an intensive inpatient program or assessment; ensure that the patients receive close medical supervision and furnish, through the use of qualified personnel, rehabilitation nursing, physical therapy and occupational therapy, plus, as needed, speech therapy, social services or psychological services and orthotic and prosthetic services; have a plan of treatment for each inpatient that is established, reviewed, and revised as needed by a physician in consultation with other professional personnel who provide services to the patient; use a coordinated multidisciplinary team approach in the rehabilitation of each inpatient, as documented by periodic clinical entries made in the patient's medical record to note the patient's status in relationship to goal attainment, and that team conferences are held at least every two weeks to determine the appropriateness of treatment; have a director of rehabilitation who provides services to the unit and its inpatients for at least 20 hours a week, is a doctor of medicine or osteopathy, is licensed under State law to practice medicine or surgery, and has had, after completing a one-year hospital internship at least two years of training or experience in the medical management of inpatients requiring rehabilitation services.
1400 E DOWNING ST, Tahlequah, OK 74464

Other Names 1

Former Legal Business NameTahlequah Hospital Authority

Other Identifiers 1

Medicaid100700680AOK

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Northeastern Health System is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

157

Medicare enrollment records show 157 clinicians reassign Medicare billing to Northeastern Health System, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 46 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 27

Certified Registered Nurse Anesthetist (CRNA)32
Nurse Practitioner27
Internal Medicine19
Emergency Medicine17
Neurology10
General Surgery8
Hospitalist8
Anesthesiology5
19 other specialties31

Nearest to this location (20)

See all 157
Emergency Medicine
NPI 1235146036
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 456-0641
✔ PECOSSame address
Neurology
NPI 1902168438
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 456-0641
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1134350069
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 456-0641
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1548304892
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 456-0641
✔ PECOSSame address
General Surgery
NPI 1134204852
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 456-0641
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1831139682
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 456-0641
✔ PECOS✔ Accepts MedicareSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1093504763
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 456-0641
✔ Accepts MedicareSame address
Thoracic Surgery
NPI 1023239720
205 HARRIS CIR STE 202
Tahlequah, OK 74464
(918) 485-0068
✔ PECOS✔ Accepts Medicare0.3 mi
General Surgery
NPI 1548218803
205 HARRIS CIR
Tahlequah, OK 74464
(918) 207-1140
✔ PECOS✔ Accepts Medicare0.3 mi
Nephrology
NPI 1063725901
1373 E BOONE ST SUITE 1201
Tahlequah, OK 74464
(918) 207-1189
✔ PECOS✔ Accepts Medicare0.4 mi
Rheumatology
NPI 1073615324
1373 E BOONE ST STE 2300
Tahlequah, OK 74464
(918) 207-0025
✔ PECOS✔ Accepts Medicare0.4 mi
Nurse Practitioner
NPI 1184394751
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 456-0641
✔ PECOS✔ Accepts Medicare0.4 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1215776414
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 456-0641
✔ Accepts Medicare0.4 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1871332585
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 456-0641
✔ Accepts Medicare0.4 mi
Internal Medicine
NPI 1427625714
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 456-0641
✔ PECOS✔ Accepts Medicare0.4 mi
Hospitalist
NPI 1316174675
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 456-0641
✔ PECOS✔ Accepts Medicare0.4 mi
Neurology
NPI 1508093675
1400 E DOWNING ST
Tahlequah, OK 74464
(918) 453-2111
✔ PECOS✔ Accepts Medicare0.4 mi
Cardiovascular Disease (Cardiology)
NPI 1073525515
1500 E. DOWNING #
Tahlequah, OK 74464
(918) 207-0882
✔ PECOS✔ Accepts Medicare0.5 mi
Emergency Medicine
NPI 1902837776
100 S BLISS AVE
Tahlequah, OK 74464
(918) 458-3104
✔ PECOS✔ Accepts Medicare0.5 mi
Family Practice
NPI 1164403986
1201 EAST ROSS BYPASS
Tahlequah, OK 74464
(918) 207-0991
✔ PECOS✔ Accepts Medicare0.5 mi
See all 157 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 1528122371. 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 Rehabilitation Unit with taxonomy code 273Y00000X.

Is Northeastern Health System enrolled in Medicare?

Yes. Northeastern Health System is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Northeastern Health System?

According to the CMS Revalidation Reassignment List (October 2026 release), 157 clinicians in 27 Medicare specialties reassign their Medicare billing to Northeastern Health System. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Certified Registered Nurse Anesthetist (CRNA) (32), Nurse Practitioner (27) and Internal Medicine (19). Of these, 7 practice at this address and 46 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Northeastern Health System accept?

Health plans from Blue Cross and Blue Shield of Oklahoma list Northeastern Health System as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

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 7 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.