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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

TENNESSEE ONCOLOGY
NPI 1740015189
Internal Medicine in Johnson City, TN

Active since September 05, 2024CLIA 44D2313210 · Certificate of Compliance
378 MARKETPLACE BLVD STE 6, JOHNSON CITY, TN 37604(423) 656-0716 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 10, 2024, Sep 5, 2024 (2 updates tracked since 2024).

About Tennessee Oncology NPPES

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

TENNESSEE ONCOLOGY (NPI 1740015189) is a healthcare organization registered as an internal medicine in Johnson City, Tennessee and active in the NPI registry since September 2024. The organization holds a CLIA Certificate of Compliance certificate valid through February 3, 2027 and lists Pattie Y Douglas, Payer Relations Manager, as its authorized official.

NPPES Registry Identity

NPI1740015189
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameTENNESSEE ONCOLOGY
Location Address378 MARKETPLACE BLVD STE 6Johnson City, TN 37604-2361
Mailing Address2004 Hayes St Ste 800Nashville, TN 37203-2659 · (615) 514-3023
Phone(423) 656-0716
Organization SubpartNo
Authorized OfficialPattie Y DouglasPayer Relations Manager · (615) 514-6876
Enumeration DateSeptember 5, 2024
Last NPPES UpdateJune 30, 20262 updates tracked since enumeration
NPPES CertifiedJune 30, 2026
✔ NPI 1740015189 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
378 MARKETPLACE BLVD STE 6, Johnson City, TN 37604
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Other Identifiers 1

Medicaid3709319TN

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 Compliance 44D2313210

Tennessee Oncology, PLLC · Johnson City, TN
Active · expires Feb 3, 2027
CLIA Number44D2313210
Laboratory TypePhysician Office
Certificate Effective DateFebruary 4, 2025
Certificate Expiration DateFebruary 3, 2027
Laboratory DirectorDr. Jamal G. Maatouk
Laboratory Phone(423) 656-0716
Laboratory LocationTennessee Oncology, PLLC378 Marketplace Blvd Suite 6, Johnson City, TN 37604
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES 2

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

LESLIE SULLINS FNP-C
Nurse Practitioner (Family)
378 MARKETPLACE BLVD STE 6
JOHNSON CITY, TN 37604
Washington County (423) 656-0716
TENNESSEE ONCOLOGY, PLLC
Pharmacy (Community/Retail Pharmacy)
378 MARKETPLACE BLVD STE 6
JOHNSON CITY, TN 37604
Washington County (423) 568-8320

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 Tennessee Oncology's NPI number?

The NPI number for Tennessee Oncology is 1740015189. It was assigned to this organization in the NPPES registry on September 5, 2024.

Where is Tennessee Oncology located?

Tennessee Oncology is located at 378 Marketplace Blvd Ste 6, Johnson City, TN 37604. The listed phone number is (423) 656-0716.

What is Tennessee Oncology's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Tennessee Oncology hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 44D2313210) is associated with this NPI, valid through February 3, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Tennessee Oncology was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days 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.