DR. JOHN GARY PHILLIPS M.D. (MAY 2010)
NPI 1154648426
Radiology - Radiation Oncology in Nashville, TN

Q: What is John Phillips's NPI number?

The NPI number for John Phillips is 1154648426. It was assigned to this individual provider in the NPPES registry on April 27, 2010.

Q: What is John Phillips'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 Phillips was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since April 27, 2010PECOS EnrolledAccepts Medicare Assignment

4220 HARDING ROAD, NASHVILLE, TN 37205(615) 222-6755(615) 222-3567 Get Directions Write a Review

NPPES record last updated: February 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 10, 2021, Oct 10, 2016 (2 updates tracked since 2016).

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About Dr. John Gary Phillips M.d. (may 2010) NPPES

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

DR. JOHN GARY PHILLIPS M.D. (MAY 2010) (NPI 1154648426) is an individual radiation oncology provider in Nashville, Tennessee, licensed in Tennessee (62949) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Tristar Skyline Medical Center, and maintains a secondary practice location in Nashville.

NPPES Registry Identity

NPI1154648426

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameDR. JOHN GARY PHILLIPSCredential: M.D. (MAY 2010)

Location Address4220 HARDING ROADNashville, TN 37205

Mailing Address2004 Hayes St Ste 800Nashville, TN 37203-2659 · (615) 329-0570 · Fax (615) 329-0579

Phone(615) 222-6755

Fax(615) 222-3567

Sole ProprietorNo

Medical School CMSVanderbilt University School Of MedicineGraduated 2010

Enumeration DateApril 27, 2010

Last NPPES UpdateFebruary 24, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 24, 2026

✔ NPI 1154648426 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Licenses✔ Licensed in TN · 62949✔ Licensed in MA · 253537

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.

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

4220 HARDING ROAD, Nashville, TN 37205

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Secondary Practice Location 1

Location 12801 Charlotte AveNashville, TN 37209-4035 · Phone (615) 250-9200

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama and more.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. John Gary Phillips M.d. (may 2010) 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 ID4486899499

PECOS Enrollment IDI20210518000446

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 John Phillips reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Urology Associates PC

2.2 mi

Urology

2801 CHARLOTTE AVE
Nashville, TN 37209

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

NPI 1043297542 (615) 250-9200

Tennessee Oncology PLLC

2.9 mi

Hematology & Oncology

2004 HAYES ST STE 350
Nashville, TN 37203

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

NPI 1023066149 (615) 312-3333

Lebanon Radiation Oncology Center

29 mi

Radiology

101 PHYSICIANS WAY STE 111
Lebanon, TN 37090

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

NPI 1750080305 (615) 329-0570

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 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.

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.

847 services74 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.

217 services60 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.

215 services72 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.

123 services68 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

121 services24 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.

78 services57 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.

75 services70 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.

67 services50 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.

65 services65 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.

59 services41 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.

57 services49 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.

46 services41 patients

Obtaining respiratory data needed to develop the optimal radiation treatment 77293

Obtaining respiratory data is vital for optimal radiation treatment. This involves tracking your breathing patterns to ensure the precise delivery of radiation to the target area, minimizing damage to healthy tissue. It's a non-invasive process and contributes to effective treatment.

22 services20 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.

13 services12 patients

Management of cranial lesion surgery using radiation over multiple sessions 77435

This procedure involves using targeted radiation to treat a lesion in the brain over several sessions. The radiation destroys the abnormal cells, helping to control or eliminate the lesion. It's a non-invasive treatment, meaning no surgical cuts are made.

12 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Tristar Skyline Medical Center

Acute Care Hospitals · Nashville, TN

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440006

Location3441 Dickerson PikeNashville, TN 37207 · Davidson County

Emergency services

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440039

Location1211 Medical Center DriveNashville, TN 37232 · Davidson County

Emergency services Birthing friendly

Ascension Saint Thomas Hospital

Acute Care Hospitals · Nashville, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440082

Location4220 Harding Rd, PO Box 380Nashville, TN 37205 · Davidson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37205 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 4

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

DR. PAUL ALLEN ROSENBLATT M.D.

Radiology (Therapeutic Radiology)

4220 HARDING ROAD, RUDY CANCER CENTER
NASHVILLE, TN 37205

Davidson County (615) 222-6755

JOSHUA K MONDSCHEIN MD

Radiology (Radiation Oncology)

4220 HARDING ROAD
NASHVILLE, TN 37205

Davidson County (615) 222-6755

TENNESSEE ONCOLOGY PLLC

Internal Medicine (Hematology & Oncology)

4220 HARDING ROAD, S & E BUILDING SUITE 200
NASHVILLE, TN 37205

Davidson County (615) 385-3751

MARGARET B WRIGHT MD

Radiology (Diagnostic Radiology)

4220 HARDING ROAD, ST THOMAS HOSPITAL
NASHVILLE, TN 37205

Davidson County (615) 222-6095

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 Phillips's NPI number?

The NPI number for John Phillips is 1154648426. It was assigned to this individual provider in the NPPES registry on April 27, 2010.

Where is John Phillips located?

John Phillips practices at 4220 Harding Road, Nashville, TN 37205. The listed phone number is (615) 222-6755.

What is John Phillips's specialty?

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

Is John Phillips enrolled in Medicare?

Yes. John Phillips 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 John Phillips's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Phillips reassigns Medicare benefits to 3 organizations: Urology Associates PC (Nashville, TN), Tennessee Oncology PLLC (Nashville, TN) and Lebanon Radiation Oncology Center (Lebanon, 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 John Phillips's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Phillips accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 4 other insurers list John Phillips 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 Phillips affiliated with any hospitals?

According to CMS data, John Phillips is affiliated with Tristar Skyline Medical Center, Vanderbilt University Medical Center and Ascension Saint Thomas Hospital.

When was this NPI record last updated?

The NPPES record for John Phillips was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.