MARC G APPLE MD
NPI 1164422697
Radiology - Radiation Oncology in Knoxville, TN

Active since July 27, 2005PECOS EnrolledAccepts Medicare Assignment
89.89/100
CMS Quality Rating
1451 OLD WEISGARBER RD., SUITE 250, KNOXVILLE, TN 37909(865) 862-1625(865) 321-4558 Get Directions Write a Review

NPPES record last updated: August 19, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 19, 2021, Aug 28, 2018 (2 updates tracked since 2018).

About Marc G Apple Md NPPES

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

MARC G APPLE MD (NPI 1164422697) is an individual radiation oncology provider in Knoxville, Tennessee, licensed in Tennessee (63572) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Cleveland Clinic Martin North Hospital, and maintains a secondary practice location in Delray Beach.

NPPES Registry Identity

NPI1164422697
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameMARC G APPLECredential: MD
Location Address1451 OLD WEISGARBER RD., SUITE 250Knoxville, TN 37909
Mailing Address1451 Old Weisgarber Rd., Suite 250Knoxville, TN 37909 · (865) 862-1625 · Fax (865) 321-4558
Fax(865) 321-4558
Sole ProprietorYes
Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 1990
Enumeration DateJuly 27, 2005
Last NPPES UpdateAugust 19, 20212 updates tracked since enumeration
NPPES CertifiedAugust 19, 2021
NPI 1164422697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses Licensed in TN · 63572 Licensed in FL · ME63028 Licensed in GA · 072738 Licensed in IN · 01048136A
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.
1451 OLD WEISGARBER RD., SUITE 250, Knoxville, TN 37909

Secondary Practice Location 1

Location 16274 Linton Blvd Ste 100Delray Beach, FL 33484-6508 · Phone (561) 323-6500 · Fax (561) 584-7775

Other Identifiers 6

Medicaid103434926MI
Medicaid2055681OH
Other000000614686IN · Anthem Pin
Medicaid104239031MI
Medicaid200159030IN
Other920004267IN · Medicare Railroad

Accepted 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

Marc G Apple 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 ID1557367638
PECOS Enrollment IDI20130131000218
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 18

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.
943 services97 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.
260 services78 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.
211 services60 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.
106 services48 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.
83 services81 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.
67 services60 patients

Hospital Affiliations CMS Care Compare 3

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

Cleveland Clinic Martin North Hospital

Acute Care Hospitals · Stuart, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100044
Location200 SE Hospital AveStuart, FL 34994 · Martin County
Emergency services Birthing friendly

Cleveland Clinic Indian River Hospital

Acute Care Hospitals · Vero Beach, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100105
Location1000 36th StVero Beach, FL 32960 · Indian River County
Emergency services Birthing friendly

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

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
$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.

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.

89.89/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.75
Promoting Interoperability100
Improvement Activities40

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 Marc Apple's NPI number?

The NPI number for Marc Apple is 1164422697. It was assigned to this individual provider in the NPPES registry on July 27, 2005.

Where is Marc Apple located?

Marc Apple practices at 1451 Old Weisgarber Rd., Suite 250, Knoxville, TN 37909. The listed phone number is (865) 862-1625.

What is Marc Apple's specialty?

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

Is Marc Apple enrolled in Medicare?

Yes. Marc Apple 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 Marc Apple accept?

Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) and 2 other insurers list Marc Apple 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 Marc Apple affiliated with any hospitals?

According to CMS data, Marc Apple is affiliated with Cleveland Clinic Martin North Hospital, Cleveland Clinic Indian River Hospital and University Health System, Inc.

When was this NPI record last updated?

The NPPES record for Marc Apple was last updated on August 19, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.