DR. JOHN CARLTON BOYS M.D.
NPI 1386645240
Radiology - Radiation Oncology in Greeneville, TN

Q: What is John Boys's NPI number?

The NPI number for John Boys is 1386645240. It was assigned to this individual provider in the NPPES registry on August 2, 2005. The provider is also known as Mrs. Paula Diane Fielder.

Q: What is John Boys's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for John Boys was last updated on August 26, 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.

Active since August 02, 2005PECOS EnrolledAccepts Medicare Assignment

1420 TUSCULUM BLVD, GREENEVILLE, TN 37745(423) 787-5041(423) 787-5046 Get Directions Write a Review

NPPES record last updated: August 26, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Dr. John Carlton Boys M.d. NPPES

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

DR. JOHN CARLTON BOYS M.D. (NPI 1386645240) is an individual radiation oncology provider in Greeneville, Tennessee, licensed in Tennessee (MD0000024406) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Wellmont Holston Valley Medical Center, and is a graduate of University Of South Carolina School Of Medicine (1982).

NPPES Registry Identity

NPI1386645240

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. JOHN CARLTON BOYSCredential: M.D.

Location Address1420 TUSCULUM BLVDGreeneville, TN 37745-4279

Mailing AddressDept 888066Knoxville, TN 37995-0001 · (770) 693-2622 · Fax (770) 693-5821

Phone(423) 787-5041

Fax(423) 787-5046

Sole ProprietorYes

Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 1982

Enumeration DateAugust 2, 2005

Last NPPES UpdateAugust 26, 2021

NPPES CertifiedAugust 26, 2021

✔ NPI 1386645240 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in TN · MD0000024406

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

1420 TUSCULUM BLVD, Greeneville, TN 37745

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Other Names 1

Other Name (5)Mrs. Paula Diane Fielder

Other Identifiers 1

Medicaid3076431TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health and more.Insurance ›

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 Carlton Boys 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 ID8729188123

PECOS Enrollment IDI20100722000736

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 15

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.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

418 services18 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

211 services52 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

153 services53 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

146 services46 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

88 services59 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

55 services53 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

50 services50 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

36 services34 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

35 services27 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

28 services27 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

24 services19 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

20 services19 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

16 services16 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

15 services11 patients

Special radiation therapy planning 77331

Special radiation therapy planning is a process to determine the most effective way to deliver radiation treatment. It involves imaging studies to map your body's internal structure, which helps in targeting the exact area needing treatment while sparing healthy tissues.

14 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Wellmont Holston Valley Medical Center

Acute Care Hospitals · Kingsport, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440017

Location130 West Ravine RoadKingsport, TN 37662 · Sullivan County

Emergency services

Greeneville Community Hospital

Acute Care Hospitals · Greeneville, TN

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440050

Location1420 Tusculum BoulevardGreeneville, TN 37745 · Greene County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37745 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

$160.89 typical visit price

range $52.64 – $160.89

Typical copayment $40.22 (range $13.16 – $40.22)

Most-billed visit code 99205

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.

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.

KATIE LYNNE STYKE BOSLOOPER PA

Physician Assistant

1420 TUSCULUM BLVD
GREENEVILLE, TN 37745

Greene County (423) 787-5000

TUSCULUM PHYSICIAN SERVICES PC

Hospitalist

1420 TUSCULUM BLVD
GREENEVILLE, TN 37745

Greene County (423) 787-5000

MELANIE BEATRICE HONEYCUTT NP

Nurse Practitioner (Gerontology)

1420 TUSCULUM BLVD
GREENEVILLE, TN 37745

Greene County (423) 787-5000

ID CONSULTANT PLLC

Internal Medicine (Infectious Disease)

1420 TUSCULUM BLVD
GREENEVILLE, TN 37745

Greene County (423) 783-6400

LEWIS HENRY HOLMES III MD

Hospitalist

1420 TUSCULUM BLVD
GREENEVILLE, TN 37745

Greene County (423) 787-5000

TREK RADIOLOGY PLLC

Specialist

1420 TUSCULUM BLVD
GREENEVILLE, TN 37745

Greene County (423) 903-6796

TENNESSEE CANCER SPECIALISTS PLLC

Internal Medicine (Hematology & Oncology)

1420 TUSCULUM BLVD, LAUGHLIN MEMORIAL HOSPITAL
GREENEVILLE, TN 37745

Greene County (423) 639-0243

JEFFREY ALAN WILHITE PT, DPT, ATC

Physical Therapist

1420 TUSCULUM BLVD
GREENEVILLE, TN 37745

Greene County (423) 787-5000

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 John Boys's NPI number?

The NPI number for John Boys is 1386645240. It was assigned to this individual provider in the NPPES registry on August 2, 2005. The provider is also known as Mrs. Paula Diane Fielder.

Where is John Boys located?

John Boys practices at 1420 Tusculum Blvd, Greeneville, TN 37745. The listed phone number is (423) 787-5041.

What is John Boys's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is John Boys enrolled in Medicare?

Yes. John Boys 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.

What insurance does John Boys accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 3 other insurers list John Boys 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 John Boys affiliated with any hospitals?

According to CMS data, John Boys is affiliated with Wellmont Holston Valley Medical Center and Greeneville Community Hospital.

When was this NPI record last updated?

The NPPES record for John Boys was last updated on August 26, 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.