EAST TENNESSEE DIAGNOSTIC CENTER, LLC
NPI 1710932553
Clinic/Center - Radiology in Knoxville, TN

Q: What is East Tennessee Diagnostic Center, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Radiology, with taxonomy code 261QR0200X.

Active since May 23, 2006

1415 OLD WEISGARBER RD STE 120, KNOXVILLE, TN 37909(865) 584-7376(865) 684-2619 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 16, 2025, Sep 19, 2024, Nov 21, 2019 (3 updates tracked since 2019).

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About East Tennessee Diagnostic Center, Llc NPPES

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

EAST TENNESSEE DIAGNOSTIC CENTER, LLC (NPI 1710932553) is a healthcare organization registered as a radiology in Knoxville, Tennessee and active in the NPI registry since May 2006. The organization lists Michael W Langenberg, Executive Director, as its authorized official.

NPPES Registry Identity

NPI1710932553

Entity TypeOrganization

Primary Taxonomy261QR0200X

Legal Business NameEAST TENNESSEE DIAGNOSTIC CENTER, LLC

Location Address1415 OLD WEISGARBER RD STE 120Knoxville, TN 37909-1327

Mailing AddressPo Box 11664Knoxville, TN 37939-1664 · (865) 584-7376 · Fax (865) 540-3856

Phone(865) 584-7376

Fax(865) 684-2619

Organization SubpartNo

Authorized OfficialMichael W LangenbergExecutive Director · (865) 584-7376

Enumeration DateMay 23, 2006

Last NPPES UpdateJune 16, 20253 updates tracked since enumeration

NPPES CertifiedJune 16, 2025

✔ NPI 1710932553 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · RadiologyAmbulatory Health Care Facilities

Taxonomy Code261QR0200X

1415 OLD WEISGARBER RD STE 120, Knoxville, TN 37909

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Other Identifiers 2

Other3791655Railroad Medicare

Other613127900Dol

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Oscar Insurance Company, UnitedHealthcare.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)

East Tennessee Diagnostic Center, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 6 clinicians reassign Medicare billing to East Tennessee Diagnostic Center, LLC, which bills Medicare for the services they deliver. Of these, 6 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Garnetta Morin-Ducote, MD

Diagnostic Radiology

NPI 1225031412

1924 ALCOA HWY
Knoxville, TN 37920

(865) 544-9060

✔ PECOS✔ Accepts Medicare4.3 mi

Judson Gash, MD

Diagnostic Radiology

NPI 1669475877

1924 ALCOA HWY
Knoxville, TN 37920

(865) 305-9661

✔ PECOS✔ Accepts Medicare4.4 mi

Steven Knight, MD

Diagnostic Radiology

NPI 1467455394

1924 ALCOA HWY
Knoxville, TN 37920

(865) 544-9060

✔ PECOS✔ Accepts Medicare4.4 mi

Kenneth Rule, MD

Diagnostic Radiology

NPI 1891798088

1924 ALCOA HWY
Knoxville, TN 37920

(865) 584-7376

✔ PECOS✔ Accepts Medicare4.4 mi

Malcolm Foster, M.D.

Cardiovascular Disease (Cardiology)

NPI 1861482556

10800 PARKSIDE DR STE 331
Knoxville, TN 37934

(865) 392-3400

✔ PECOS✔ Accepts Medicare7.7 mi

William Lindsay, M.D.

Cardiovascular Disease (Cardiology)

NPI 1083604623

10800 PARKSIDE DR SUITE 331
Knoxville, TN 37934

(865) 392-3400

✔ PECOS8.5 mi

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

Areas of Expertise CMS Part B claims 19

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

24,100 services195 patients

Piflufolastat f-18, diagnostic, 1 millicurie A9595

Piflufolastat F-18 is a radioactive diagnostic agent used in PET scans. It helps visualize certain cells in your body, aiding doctors in diagnosing specific conditions. This service involves injecting 1 millicurie of the agent into your body.

1,973 services201 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

665 services574 patients

Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries A9552

Fluorodeoxyglucose F-18 FDG is a radioactive drug used in PET scans. It helps doctors see how your tissues and organs are functioning. The drug is given in a specific dose, up to 45 millicuries, depending on your body size and the type of scan.

469 services412 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

170 services113 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

161 services110 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

142 services113 patients

Nuclear medicine study of brain with metabolic evaluation 78608

A nuclear medicine study of the brain with metabolic evaluation involves using a safe radioactive substance and special imaging to assess brain function. It helps identify changes in brain metabolism that can indicate certain disorders.

53 services53 patients

Nuclear medicine study limited area with ct scan 78814

A nuclear medicine study with a limited area CT scan is a diagnostic procedure. A small amount of radioactive substance is injected into your body, which helps create detailed images of a specific area. The CT scan further enhances these images, providing clearer, more precise results.

50 services50 patients

Florbetapir f18, diagnostic, per study dose, up to 10 millicuries A9586

Florbetapir F18 is a radioactive diagnostic agent used in PET scans to detect beta-amyloid plaques in the brain, which are associated with Alzheimer's disease. This specific service refers to a single study dose of up to 10 millicuries.

48 services48 patients

Ct scan of arm without contrast 73200

A CT scan of the arm without contrast is a non-invasive imaging test. It uses X-ray technology to capture detailed images of your arm's structures. It doesn't involve any contrasting dye, hence, minimal preparation is required. It helps in diagnosing injuries or conditions affecting the arm.

47 services47 patients

Nuclear medicine study whole body with ct scan 78816

A Nuclear Medicine Study with a CT Scan is a diagnostic procedure. It uses a small amount of radioactive substance and a CT scan to create detailed images of your body. These images help doctors diagnose, monitor, and treat various conditions.

40 services37 patients

Ct scan of soft tissue of neck with contrast 70491

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

26 services24 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

22 services22 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

20 services18 patients

Ct scan of abdomen before and after contrast 74170

A CT scan of the abdomen before and after contrast is a diagnostic procedure. It involves taking detailed images of your abdomen area. Initially, images are taken without a contrast agent. Then, a contrast dye is given to highlight specific areas inside your body, helping to provide clearer images for better diagnosis.

15 services14 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

13 services13 patients

Ct scan of chest before and after contrast 71270

A CT scan of the chest before and after contrast is a non-invasive imaging procedure. Initially, images of the chest are taken without contrast to get a baseline. Then, a contrast dye is administered, usually through a vein, to highlight specific areas, making them easier to see. The procedure helps in diagnosing various chest conditions.

12 services11 patients

Low dose ct scan of chest for lung cancer screening 71271

A low-dose CT scan of the chest is a quick, painless procedure that uses a small amount of radiation to create detailed images of your lungs. It's a key tool for early detection of lung cancer, especially for those at high risk.

11 services11 patients

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 East Tennessee Diagnostic Center, LLC's NPI number?

The NPI number for East Tennessee Diagnostic Center, LLC is 1710932553. It was assigned to this organization in the NPPES registry on May 23, 2006.

Where is East Tennessee Diagnostic Center, LLC located?

East Tennessee Diagnostic Center, LLC is located at 1415 Old Weisgarber Rd Ste 120, Knoxville, TN 37909. The listed phone number is (865) 584-7376.

What is East Tennessee Diagnostic Center, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Radiology, with taxonomy code 261QR0200X.

Is East Tennessee Diagnostic Center, LLC enrolled in Medicare?

Yes. East Tennessee Diagnostic Center, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through East Tennessee Diagnostic Center, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to East Tennessee Diagnostic Center, LLC. 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 Diagnostic Radiology (4) and Cardiovascular Disease (Cardiology) (2). Of these, 6 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does East Tennessee Diagnostic Center, LLC accept?

Health plans from Cigna Healthcare, Oscar Insurance Company and UnitedHealthcare list East Tennessee Diagnostic Center, LLC 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 East Tennessee Diagnostic Center, LLC was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.