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OHS WEST
NPI 1104971936
Clinic/Center in Knoxville, TN

Active since January 24, 2007CLIA 44D0950560 · Waiver
9135 MIDDLEBROOK PIKE, KNOXVILLE, TN 37923(865) 558-3038(865) 558-3515 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ohs West NPPES

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

OHS WEST (NPI 1104971936) is a healthcare organization registered as a clinic/center in Knoxville, Tennessee and active in the NPI registry since January 2007. The organization holds a CLIA Waiver certificate valid through September 3, 2026 and lists John Mcelligott, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1104971936
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameOCCUPATIONAL HEALTH SYSTEMS, INC
Location Address9135 MIDDLEBROOK PIKEKnoxville, TN 37923-1425
Mailing AddressPo Box 51525Knoxville, TN 37950-1525 · (865) 558-3038 · Fax (865) 558-3515
Phone(865) 558-3038
Fax(865) 558-3515
Organization SubpartNo
Authorized OfficialJohn McelligottMedical Director · (865) 558-3038
Enumeration DateJanuary 24, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1104971936 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
9135 MIDDLEBROOK PIKE, Knoxville, TN 37923
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Other Names 1

Other NameOhs West

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 44D0950560

Occupational Health Systems · Knoxville, TN
Active · expires Sep 3, 2026
CLIA Number44D0950560
Laboratory TypeOccupational
Certificate Effective DateSeptember 4, 2024
Certificate Expiration DateSeptember 3, 2026
Laboratory DirectorDr. Roy P. Johnson
Laboratory Phone(865) 558-3038
Laboratory LocationOccupational Health Systems9135 Middlebrook Pk, Knoxville, TN 37923
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 4

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

MRS. TERESA ANN KISER FNP
Nurse Practitioner (Family)
9135 MIDDLEBROOK PIKE
KNOXVILLE, TN 37923
Knox County (865) 558-3038
WORKFORCE RECOVERY INC
Clinic/Center (Rehabilitation, Substance Use Disorder)
9135 MIDDLEBROOK PIKE
KNOXVILLE, TN 37923
Knox County (865) 558-3038
MR. WALTER DAVID BLANKENSHIP P.A.
Physician Assistant
9135 MIDDLEBROOK PIKE
KNOXVILLE, TN 37923
Knox County (865) 558-3038
MR. RONALD LLEWELLYN FLOWERS
Physician Assistant (Medical)
9135 MIDDLEBROOK PIKE
KNOXVILLE, TN 37923
Knox County (865) 558-3038

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 Occupational Health Systems, Inc's NPI number?

The NPI number for Occupational Health Systems, Inc is 1104971936. It was assigned to this organization in the NPPES registry on January 24, 2007. The provider is also known as Ohs West.

Where is Occupational Health Systems, Inc located?

Occupational Health Systems, Inc is located at 9135 Middlebrook Pike, Knoxville, TN 37923. The listed phone number is (865) 558-3038.

What is Occupational Health Systems, Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Does Occupational Health Systems, Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 44D0950560) is associated with this NPI, valid through September 3, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Occupational Health Systems, Inc was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.