TENNESSEE ONCOLOGY
NPI 1912623364
Radiology - Diagnostic Radiology in Chattanooga, TN

Q: What is Tennessee Oncology's NPI number?

The NPI number for Tennessee Oncology is 1912623364. It was assigned to this organization in the NPPES registry on October 18, 2022. The provider is doing business as Chattanooga PET and Imaging Center.

Q: What is Tennessee Oncology's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Active since October 18, 2022

1032 MCCALLIE AVE STE 200, CHATTANOOGA, TN 37403(423) 708-6495(423) 749-0130 Get Directions Write a Review

NPPES record last updated: September 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 5, 2025, Oct 18, 2022 (2 updates tracked since 2022).

On this page

About Tennessee Oncology NPPES

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

TENNESSEE ONCOLOGY (NPI 1912623364), doing business as Chattanooga Pet And Imaging Center, is a healthcare organization registered as a diagnostic radiology in Chattanooga, Tennessee and active in the NPI registry since October 2022. The organization lists Pattie Y Douglas, Payer Relations Manager, as its authorized official.

NPPES Registry Identity

NPI1912623364

Entity TypeOrganization

Primary Taxonomy2085R0202X

Legal Business NameTENNESSEE ONCOLOGY

Location Address1032 MCCALLIE AVE STE 200Chattanooga, TN 37403-2836

Mailing Address2004 Hayes St Ste 800Nashville, TN 37203-2659 · (615) 329-0570 · Fax (615) 329-0579

Phone(423) 708-6495

Fax(423) 749-0130

Organization SubpartYesParent: Tennessee Oncology, Pllc.

Authorized OfficialPattie Y DouglasPayer Relations Manager · (615) 514-6876

Enumeration DateOctober 18, 2022

Last NPPES UpdateSeptember 5, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 5, 2025

✔ NPI 1912623364 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

1032 MCCALLIE AVE STE 200, Chattanooga, TN 37403

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Other Names 1

Doing Business AsChattanooga Pet And Imaging Center

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama and more.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)

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

Clinicians Billing Medicare Through This Organization

462

Medicare enrollment records show 462 clinicians reassign Medicare billing to Tennessee Oncology, which bills Medicare for the services they deliver. Of these, 8 practice at this address and 65 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 24

Nurse Practitioner170

Hematology/Oncology73

Diagnostic Radiology47

Radiation Oncology42

Medical Oncology33

General Surgery29

Vascular Surgery13

Clinical Social Worker10

16 other specialties45

Nearest to this location (20)

See all 462

Amy Boren, NP-C

Nurse Practitioner

NPI 1568814713

1032 MCCALLIE AVE STE 200
Chattanooga, TN 37403

(423) 752-5004

✔ PECOS✔ Accepts MedicareSame address

Robert Graham, MD

Hematology/Oncology

NPI 1306068135

1032 MCCALLIE AVE STE 200
Chattanooga, TN 37403

(423) 752-5004

✔ PECOS✔ Accepts MedicareSame address

Emily Mcduffee, DO, PHD

Hematology/Oncology

NPI 1669793261

1032 MCCALLIE AVE STE 200
Chattanooga, TN 37403

(423) 752-5004

✔ PECOS✔ Accepts MedicareSame address

Sumana Nagireddy, MBBS

Hematology/Oncology

NPI 1619107414

1032 MCCALLIE AVE STE 200
Chattanooga, TN 37403

(423) 752-5004

✔ PECOS✔ Accepts MedicareSame address

Walter Porter, FNP-C

Nurse Practitioner

NPI 1083191191

1032 MCCALLIE AVE
Chattanooga, TN 37403

(423) 752-5004

✔ PECOSSame address

Larry Schlabach, MD

Hematology/Oncology

NPI 1386609394

1032 MCCALLIE AVE STE 200
Chattanooga, TN 37403

(423) 752-5004

✔ PECOS✔ Accepts MedicareSame address

Harsha Vardhana, M.D.

Hematology/Oncology

NPI 1285823658

1032 MCCALLIE AVE STE 200
Chattanooga, TN 37403

(423) 752-5004

✔ PECOS✔ Accepts MedicareSame address

Sean Bliven, MD

Medical Oncology

NPI 1477182749

1032 MCCALLIE AVE STE 200
Chattanooga, TN 37403

(423) 752-5004

✔ PECOS✔ Accepts MedicareSame address

Kyle Casey, AGNP-C

Nurse Practitioner

NPI 1356844518

979 E 3RD ST STE A0550
Chattanooga, TN 37403

(423) 778-9250

✔ PECOS0.5 mi

Austin Dove, MD

Radiation Oncology

NPI 1144883927

979 E 3RD ST STE G15
Chattanooga, TN 37403

(423) 778-9506

✔ PECOS✔ Accepts Medicare0.5 mi

Lori Hill, MSN, AGNP-C

Nurse Practitioner

NPI 1477938934

979 E 3RD ST SUITE A0540
Chattanooga, TN 37403

(423) 778-9250

✔ PECOS✔ Accepts Medicare0.5 mi

Frank Kimsey, MD

Radiation Oncology

NPI 1619062924

979 E 3RD ST STE G15
Chattanooga, TN 37403

(423) 490-9080

✔ PECOS✔ Accepts Medicare0.5 mi

Jeffrey Gefter, M.D.

Radiation Oncology

NPI 1023093168

979 E 3RD ST SUITE G-20
Chattanooga, TN 37403

(423) 756-0018

✔ PECOS✔ Accepts Medicare0.5 mi

Gregory Sutton, M.D.

Hematology/Oncology

NPI 1255575270

2200 E 3RD ST SUITE 100
Chattanooga, TN 37404

(423) 698-1844

✔ PECOS✔ Accepts Medicare1.2 mi

Tina Carden, NP

Nurse Practitioner

NPI 1215490230

2200 E 3RD ST STE 100
Chattanooga, TN 37404

(423) 648-2388

✔ PECOS✔ Accepts Medicare1.2 mi

Bradley Harrison

Hematology/Oncology

NPI 1821520453

2200 E 3RD ST STE 100
Chattanooga, TN 37404

(423) 698-1844

✔ PECOS✔ Accepts Medicare1.2 mi

Gregory Evans, APN

Nurse Practitioner

NPI 1962980169

2501 CITICO AVE
Chattanooga, TN 37404

(423) 697-2000

✔ PECOS✔ Accepts Medicare1.6 mi

Ronald Roberts, MD

Medical Oncology

NPI 1477180230

605 GLENWOOD DR STE 200
Chattanooga, TN 37404

(423) 698-1844

✔ PECOS✔ Accepts Medicare1.6 mi

Jonathan Whaley, MD

Radiation Oncology

NPI 1669616132

605 GLENWOOD DR SUITE 200
Chattanooga, TN 37404

(423) 698-1844

✔ PECOS✔ Accepts Medicare1.6 mi

Maribeth Bosshardt, M.D.

Hospice/Palliative Care

NPI 1063738219

605 GLENWOOD DR STE 200
Chattanooga, TN 37404

(423) 698-1844

✔ PECOS✔ Accepts Medicare1.6 mi

See all 462 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 Tennessee Oncology's NPI number?

The NPI number for Tennessee Oncology is 1912623364. It was assigned to this organization in the NPPES registry on October 18, 2022. The provider is doing business as Chattanooga PET and Imaging Center.

Where is Tennessee Oncology located?

Tennessee Oncology is located at 1032 Mccallie Ave Ste 200, Chattanooga, TN 37403. The listed phone number is (423) 708-6495.

What is Tennessee Oncology's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Tennessee Oncology enrolled in Medicare?

Yes. Tennessee Oncology is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Tennessee Oncology?

According to the CMS Revalidation Reassignment List (October 2026 release), 462 clinicians in 24 Medicare specialties reassign their Medicare billing to Tennessee Oncology. 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 Nurse Practitioner (170), Hematology/Oncology (73) and Diagnostic Radiology (47). Of these, 8 practice at this address and 65 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Tennessee Oncology accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 1 other insurer list Tennessee Oncology 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 Tennessee Oncology was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.