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

DR. JOHN WINAFORD HALL IV M.D.
NPI 1477085645
Radiology - Diagnostic Radiology in Knoxville, TN

Q: What is John Hall's NPI number?

The NPI number for John Hall is 1477085645. It was assigned to this individual provider in the NPPES registry on March 28, 2017.

Q: What is John Hall'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 John Hall was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.

Active since March 28, 2017PECOS Enrolled

94.16/100

CMS Quality Rating

1400 DOWELL SPRINGS BLVD STE 200, KNOXVILLE, TN 37909(865) 584-0291(865) 584-4426 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 23, 2026, Jul 13, 2022, May 15, 2018 and 1 more (4 updates tracked since 2017).

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About Dr. John Winaford Hall Iv M.d. NPPES

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

DR. JOHN WINAFORD HALL IV M.D. (NPI 1477085645) is an individual diagnostic radiology provider in Knoxville, Tennessee, licensed in Tennessee (67265) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Upmc Hamot, and is a graduate of West Virginia University School Of Medicine (2017).

NPPES Registry Identity

NPI1477085645

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. JOHN WINAFORD HALL IVCredential: M.D.

Location Address1400 DOWELL SPRINGS BLVD STE 200Knoxville, TN 37909-2457

Mailing Address3600 Forbes Ave, Forbes Tower - Plaza Level Suite 140Pittsburgh, PA 15213-3410 · (412) 359-4971

Phone(865) 584-0291

Fax(865) 584-4426

Sole ProprietorNo

Medical School CMSWest Virginia University School Of MedicineGraduated 2017

Enumeration DateMarch 28, 2017

Last NPPES UpdateJuly 23, 20264 updates tracked since enumeration

NPPES CertifiedJuly 22, 2026

✔ NPI 1477085645 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 · 67265✔ Licensed in PA · MD476790

Definition

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

1400 DOWELL SPRINGS BLVD STE 200, Knoxville, TN 37909

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John Winaford Hall Iv 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 ID5597022855

PECOS Enrollment IDI20220705000214, I20230428000634

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.

Areas of Expertise CMS Part B claims 16

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.

Injection, gadobutrol, 0.1 ml A9585

Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.

8,800 services115 patients

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

780 services780 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

760 services760 patients

Complete ultrasound scan of 1 breast 76641

A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.

600 services592 patients

Diagnostic mammography of 1 breast 77065

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

133 services109 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

124 services124 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

124 services124 patients

Mri scan of both breasts 77049

An MRI scan of both breasts is a non-invasive procedure using magnetic fields and radio waves to create detailed images of your chest area. This aids in detecting any abnormalities, ensuring your health and well-being.

119 services119 patients

3d radiographic procedure with computerized image postprocessing 76377

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

114 services114 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

112 services101 patients

Limited ultrasound scan of 1 breast 76642

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

81 services78 patients

Ultrasound scan of growth for measuring elasticity, first growth 76982

An ultrasound scan of a growth measures its elasticity, which helps understand its nature. For the first growth, a probe glides on the skin over the area of interest, emitting sound waves that create images of the growth. This is non-invasive and painless.

50 services49 patients

Biopsy of breast and placement of locating device using x-ray with needle, first growth 19081

A biopsy of the breast involves extracting a small sample of tissue for examination. A locating device placement, guided by x-ray, aids in identifying the exact spot of the first growth. A needle is used in both processes to ensure precision and minimal discomfort.

37 services37 patients

Diagnostic mammography of both breasts 77066

Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.

33 services31 patients

Biopsy of breast and placement of locating device using ultrasound, first growth 19083

A breast biopsy with locating device placement involves taking a small sample from an unusual growth, using ultrasound for precise targeting. This sample is studied for any abnormal cells. A locating device is also placed to mark the area for future reference.

30 services27 patients

Ultrasound scan of chest 76604

An ultrasound scan of the chest is a non-invasive imaging procedure that uses sound waves to create pictures of the structures within your chest, such as your heart and lungs. It's a safe, painless method that helps doctors diagnose and monitor various conditions.

29 services28 patients

Hospital Affiliations CMS Care Compare 3

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

Upmc Hamot

Acute Care Hospitals · Erie, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390063

Location201 State StreetErie, PA 16550 · Erie County

Emergency services Birthing friendly

Upmc Northwest

Acute Care Hospitals · Seneca, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number390091

Location100 Fairfield DriveSeneca, PA 16346 · Venango County

Emergency services Birthing friendly

Meadville Medical Center

Acute Care Hospitals · Meadville, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390113

Location751 Liberty StreetMeadville, PA 16335 · Crawford County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37909 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.

94.16/100

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

Scored as part of a group practice

Quality

88.33

Improvement Activities

Other Providers at the Same Location NPPES 9

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

DR. DEBORAH ANN WINTERS MD

Radiology (Diagnostic Radiology)