THOMAS M CARR III MD
NPI 1518175660
Radiology - Diagnostic Radiology in Chattanooga, TN

Active since May 21, 2007PECOS EnrolledAccepts Medicare Assignment
84.38/100
CMS Quality Rating
1710 GUNBARREL RD, CHATTANOOGA, TN 37421(423) 309-9256 Get Directions Write a Review

NPPES record last updated: March 4, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 4, 2021, Nov 10, 2018 (2 updates tracked since 2018).

About Thomas M Carr Iii Md NPPES

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

THOMAS M CARR III MD (NPI 1518175660) is an individual diagnostic radiology provider in Chattanooga, Tennessee, licensed in Tennessee (47852) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Erlanger Murphy Medical Center, and maintains a secondary practice location in Nashville.

NPPES Registry Identity

NPI1518175660
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameTHOMAS M CARR IIICredential: MD
Location Address1710 GUNBARREL RDChattanooga, TN 37421-3127
Mailing Address210 25th Ave N Ste 1204Nashville, TN 37203-1620 · (615) 312-0600 · Fax (615) 320-3259
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2004
Enumeration DateMay 21, 2007
Last NPPES UpdateMarch 4, 20212 updates tracked since enumeration
NPPES CertifiedMarch 4, 2021
✔ NPI 1518175660 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in TN · 47852✔ Licensed in VA · 0101238928
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1710 GUNBARREL RD, Chattanooga, TN 37421

Secondary Practice Location 1

Location 1210 25th Ave N Ste 1204Nashville, TN 37203-1620 · Phone (615) 312-0600 · Fax (615) 320-3259

Other Identifiers 2

Medicaid1526510TN
Medicaid7100575690KY

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas M Carr Iii Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527192640
PECOS Enrollment IDI20111219000856, I20180907002616
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Thomas Carr reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
1710 GUNBARREL RD
Chattanooga, TN 37421
  • Reassigned Medicare billing, Georgia and Tennessee enrollments
  • 14 clinicians in this Medicare group
Diagnostic Radiology
2333 MCCALLIE AVE
Chattanooga, TN 37404
  • Reassigned Medicare billing, Tennessee enrollment
  • 13 clinicians in this Medicare group
Diagnostic Radiology
1700 MEDICAL CENTER PKWY
Murfreesboro, TN 37129
  • Reassigned Medicare billing, Tennessee enrollment
  • 136 clinicians in this Medicare group
Diagnostic Radiology
210 25TH AVE N STE 602
Nashville, TN 37203
  • Reassigned Medicare billing, Georgia and Tennessee enrollments
  • 27 clinicians in this Medicare group
Diagnostic Radiology
812 N CHARLOTTE ST
Dickson, TN 37055
  • Reassigned Medicare billing, Tennessee enrollment
  • 200 clinicians in this Medicare group

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 75

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.
2,013 services21 patients
Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml Q9966
Low osmolar contrast material with 200-299 mg/ml iodine concentration is a type of dye used in certain medical tests like CT scans or X-rays. It helps to highlight specific areas in your body, making them easier to see and examine. It's safe and commonly used.
1,634 services17 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
1,082 services872 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
292 services286 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.
184 services180 patients
Injection, gadobenate dimeglumine (multihance), per ml A9577
Gadobenate Dimeglumine (MultiHance) is a contrast agent used in MRI scans. Injected into your body, it helps to enhance the quality of the images captured during the scan. It aids in highlighting differences between normal and abnormal tissues, making diagnosis easier and more accurate.
182 services13 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Erlanger Murphy Medical Center

Critical Access Hospitals · Murphy, NC
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number341328
Location3990 East Us Highway 64 AltMurphy, NC 28906 · Cherokee County
Emergency services

Southern Tennessee Regional Hlth System Winchester

Acute Care Hospitals · Winchester, TN
2/5 CMS rating
OwnershipProprietary
CMS Certification Number440058
Location185 Hospital RoadWinchester, TN 37398 · Franklin County
Emergency services Birthing friendly

Memorial Healthcare System, Inc

Acute Care Hospitals · Chattanooga, TN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number440091
Location2525 Desales AveChattanooga, TN 37404 · Hamilton County

Parkridge Medical Center

Acute Care Hospitals · Chattanooga, TN
4/5 CMS rating
OwnershipProprietary
CMS Certification Number440156
Location2333 Mccallie AveChattanooga, TN 37404 · Hamilton County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37421 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$66.01 typical visit price
range $16.72 – $131.41
Typical copayment $16.50 (range $4.18 – $32.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80
Improvement Activities40

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
99%109 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 3

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

Radiology (Diagnostic Radiology)
1710 GUNBARREL RD
CHATTANOOGA, TN 37421
Radiology (Diagnostic Radiology)
1710 GUNBARREL RD
CHATTANOOGA, TN 37421
Radiology (Diagnostic Radiology)
1710 GUNBARREL RD
CHATTANOOGA, TN 37421

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 Thomas Carr's NPI number?

The NPI number for Thomas Carr is 1518175660. It was assigned to this individual provider in the NPPES registry on May 21, 2007.

Where is Thomas Carr located?

Thomas Carr practices at 1710 Gunbarrel Rd, Chattanooga, TN 37421. The listed phone number is (423) 309-9256.

What is Thomas Carr's specialty?

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

Is Thomas Carr enrolled in Medicare?

Yes. Thomas Carr is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Thomas Carr's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Carr reassigns Medicare benefits to 5 organizations: Plaza Radiology, PLLC (Chattanooga, TN), Associates In Diagnostic Radiology Inc (Chattanooga, TN), Murfreesboro Radiology & Nuclear Medicine Consultants PLLC (Murfreesboro, TN), Radiology Alliance PC (Nashville, TN) and Middle Tennessee Imaging LLC (Dickson, TN). Each 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 Thomas Carr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Carr accept?

Health plans from Alliant Health Plans, Inc., Oscar Health and Oscar Insurance Company list Thomas Carr 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.

Is Thomas Carr affiliated with any hospitals?

According to CMS data, Thomas Carr is affiliated with Erlanger Murphy Medical Center, Southern Tennessee Regional Hlth System Winchester, Memorial Healthcare System, Inc and Parkridge Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas Carr was last updated on March 4, 2021. 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.