DR. GREGORY JAMES MINWELL M.D.
NPI 1528334281
Radiology - Diagnostic Radiology in Knoxville, TN

Q: What is Gregory Minwell's NPI number?

The NPI number for Gregory Minwell is 1528334281. It was assigned to this individual provider in the NPPES registry on March 27, 2012.

Q: What is Gregory Minwell's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gregory Minwell was last updated on March 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since March 27, 2012PECOS EnrolledAccepts Medicare Assignment

94.39/100

CMS Quality Rating

1924 ALCOA HWY, KNOXVILLE, TN 37920(865) 305-9000 Get Directions Write a Review

NPPES record last updated: March 6, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 6, 2019, May 16, 2018 (2 updates tracked since 2018).

On this page

About Dr. Gregory James Minwell M.d. NPPES

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

DR. GREGORY JAMES MINWELL M.D. (NPI 1528334281) is an individual diagnostic radiology provider in Knoxville, Tennessee, licensed in Tennessee (57393) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with University Health System, Inc, and maintains a secondary practice location in Akron.

NPPES Registry Identity

NPI1528334281

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. GREGORY JAMES MINWELLCredential: M.D.

Location Address1924 ALCOA HWYKnoxville, TN 37920-1511

Mailing AddressPo Box 11167Knoxville, TN 37939-1167 · (865) 584-7376 · Fax (865) 540-3856

Phone(865) 305-9000

Sole ProprietorNo

Medical School CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 2012

Enumeration DateMarch 27, 2012

Last NPPES UpdateMarch 6, 20192 updates tracked since enumeration

✔ NPI 1528334281 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in TN · 57393

Definition

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

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1924 ALCOA HWY, Knoxville, TN 37920

Open in Google Maps ↗

Secondary Practice Location 1

Location 1400 Wabash AveAkron, OH 44307-2433 · Phone (330) 344-6667

Accepted Insurance

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

Dr. Gregory James Minwell M.d. 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 ID8224268099

PECOS Enrollment IDI20180912000750

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

Medicare enrollment records show Gregory Minwell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Association Of University Radiologists, PC

Same address

Diagnostic Radiology

1924 ALCOA HWY
Knoxville, TN 37920

Reassigned Medicare billing, Tennessee enrollment
41 clinicians in this Medicare group

NPI 1619088697 (865) 584-7376

Leconte Radiology PC

13 mi

Diagnostic Radiology

907 E LAMAR ALEXANDER PKWY
Maryville, TN 37804

Reassigned Medicare billing, Tennessee enrollment
49 clinicians in this Medicare group

NPI 1447210109 (865) 548-4004

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 39

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.

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

209 services192 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.

204 services197 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.

87 services87 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.

84 services82 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.

69 services69 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

64 services64 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

45 services45 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

44 services41 patients

X-ray of chest, 2 views 71046

41 services41 patients

Review by radiologist of ct guidance for needle placement 77012

This process involves a radiologist examining CT scan images to accurately guide a needle's placement within the body. This technique is often used for biopsies or treatments, ensuring precision and safety.

36 services36 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

35 services33 patients

Aspiration of fluid from chest cavity using imaging guidance 32555

This procedure, known as a thoracentesis, involves removing fluid from the space between the lungs and chest wall, called the pleural space. It's performed under imaging guidance to ensure precision. It can help diagnose conditions or relieve symptoms like shortness of breath.

33 services29 patients

Ct scan of blood vessels of chest with contrast 71275

32 services32 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.

31 services31 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

31 services31 patients

Biopsy and aspiration of bone marrow sample for diagnosis 38222

A bone marrow biopsy and aspiration is a procedure where a small amount of bone marrow is removed for testing. It involves inserting a needle into a bone, typically the hip, to collect a sample. It can help diagnose various diseases and monitor treatment effectiveness.

28 services27 patients

Drainage of fluid from abdominal cavity using imaging guidance 49083

This procedure involves removing excess fluid from your abdominal cavity, which can relieve discomfort. A specialist uses imaging technology to guide a thin needle into the right spot. The fluid is then drained out safely.

27 services17 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.

27 services27 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

25 services25 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

23 services22 patients

Ct scan of chest without contrast 71250

22 services22 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

21 services16 patients

Insertion of central venous tube with port (5 years or older) 36561

A central venous tube with port is a small, flexible tube inserted into a large vein, usually in the chest. It allows for easy administration of medication, fluids, or blood products over a long period. A port is attached under the skin for easy access. It's safe for individuals aged 5 and above.

19 services19 patients

Needle biopsy of kidney 50200

A needle biopsy of the kidney is a medical procedure where a small sample of kidney tissue is removed using a special needle. This is done to examine the tissue under a microscope for any abnormalities. It helps in diagnosing potential kidney conditions.

19 services19 patients

Ct scan of chest with contrast 71260

19 services19 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

17 services17 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

15 services15 patients

Ct scan of abdomen and pelvis with contrast 74177

15 services15 patients

Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch 36247

This procedure involves placing a tube into an artery in the abdomen, pelvis, or leg. The tube is inserted into the initial third order branch of the artery. This can help doctors diagnose or treat certain conditions by allowing access to these blood vessels.

14 services11 patients

Ct scan of middle spine with contrast 72129

A CT scan of the middle spine with contrast is a detailed imaging test. A special dye is used to highlight areas in your spine, providing clearer pictures. It helps doctors diagnose issues such as injuries, infections, or diseases in that area.

14 services14 patients

Ct scan of lower spine with contrast 72132

A CT scan of the lower spine with contrast is a non-invasive imaging test that uses X-ray technology and a contrast dye to create detailed pictures of your lower spine. It helps in diagnosing conditions like herniated discs, fractures, or tumors.

14 services14 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

14 services14 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.

14 services14 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

13 services13 patients

Nuclear medicine studies of blood flow in heart muscle at rest and with stress 78492

Nuclear medicine studies help visualize blood flow in your heart at rest and during stress. A small amount of radioactive substance is injected, which your heart absorbs. Images are then taken to assess your heart's health and function.

13 services13 patients

Removal of central venous tube with port or pump 36590

The removal of a central venous tube with port or pump is a procedure that eliminates a device implanted under your skin. This device helped deliver medication or nutrients directly into a large vein near your heart. Its removal involves a minor surgical procedure performed under local anesthesia.

12 services11 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

12 services12 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

12 services12 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

University Health System, Inc

Acute Care Hospitals · Knoxville, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440015

Location1924 Alcoa HighwayKnoxville, TN 37920 · Knox County

Emergency services Birthing friendly

Physicians Regional Medical Center

Acute Care Hospitals · Powell, TN

2/5 CMS rating

OwnershipProprietary

CMS Certification Number440120

Location7565 Dannaher Way PowellPowell, TN 37849 · Knox County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37920 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.

94.39/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Improvement Activities

Cost

81.31

Other Providers at the Same Location NPPES 20

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

MRS. SUSANNE LORI MITCHELL RN

Registered Nurse (Obstetric, High-Risk)

1924 ALCOA HWY, 6S
KNOXVILLE, TN 37920

Knox County (865) 305-8888

DR. FELIX JOSEPH NEPVEUX V M.D.

Student in an Organized Health Care Education/Training Program

1924 ALCOA HWY, UNIV. OF TENNESSEE MEDICAL CENTER, DEPT. OF PATHOLOGY
KNOXVILLE, TN 37920

Knox County (864) 498-8960

DR. SPENCER PUGH M.D.

Internal Medicine (Pulmonary Disease)

1924 ALCOA HWY, DEPARTMENT OF MEDICINE U-114 GSM, UTMCK
KNOXVILLE, TN 37920

Knox County (865) 305-9340

CAITLIN TABLER LOWE

Nurse Practitioner (Gerontology)

1924 ALCOA HWY
KNOXVILLE, TN 37920

Knox County (865) 305-7255

CHRISTIAN BAYLESS CRNA

Nurse Anesthetist, Certified Registered

1924 ALCOA HWY
KNOXVILLE, TN 37920

Knox County (865) 305-9000

JOAN JAKAB

Pharmacist

1924 ALCOA HWY
KNOXVILLE, TN 37920

Knox County (865) 305-5337

UNIVERSITY PATHOLOGISTS, P.C.

Pathology (Anatomic Pathology & Clinical Pathology)

1924 ALCOA HWY
KNOXVILLE, TN 37920

Knox County (865) 305-9080

DAPHNE M. NORWOOD, MD

Internal Medicine

1924 ALCOA HWY, BOX U114
KNOXVILLE, TN 37920

Knox County (865) 305-9349

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 Gregory Minwell's NPI number?

The NPI number for Gregory Minwell is 1528334281. It was assigned to this individual provider in the NPPES registry on March 27, 2012.

Where is Gregory Minwell located?

Gregory Minwell practices at 1924 Alcoa Hwy, Knoxville, TN 37920. The listed phone number is (865) 305-9000.

What is Gregory Minwell's specialty?

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

Is Gregory Minwell enrolled in Medicare?

Yes. Gregory Minwell 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 Gregory Minwell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Minwell reassigns Medicare benefits to 2 organizations: Association Of University Radiologists, PC (Knoxville, TN) and Leconte Radiology PC (Maryville, 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 Gregory Minwell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Minwell accept?

Health plans from Cigna Healthcare and Oscar Insurance Company list Gregory Minwell 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 Gregory Minwell affiliated with any hospitals?

According to CMS data, Gregory Minwell is affiliated with University Health System, Inc and Physicians Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Minwell was last updated on March 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.