MARK FREEMAN AARON M.D.
NPI 1306891262
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Nashville, TN

Active since May 22, 2006PECOS EnrolledAccepts Medicare Assignment
4230 HARDING RD, SUITE 330, NASHVILLE, TN 37205(615) 269-4545(615) 565-6789 Get Directions Write a Review

NPPES record last updated: February 25, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 25, 2020, Dec 1, 2017 (2 updates tracked since 2017).

About Mark Freeman Aaron M.d. NPPES

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

MARK FREEMAN AARON M.D. (NPI 1306891262) is an individual advanced heart failure and transplant cardiology provider in Nashville, Tennessee, licensed in Tennessee (34472) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Ascension Saint Thomas Hospital, and is a graduate of Duke University School Of Medicine (1992).

NPPES Registry Identity

NPI1306891262
Entity TypeIndividualMale
Primary Taxonomy207RA0001X
Provider Legal NameMARK FREEMAN AARONCredential: M.D.
Location Address4230 HARDING RD, SUITE 330Nashville, TN 37205-2013
Mailing Address4230 Harding Pike, Ste 330Nashville, TN 37205-2018 · (615) 269-4545 · Fax (615) 565-6789
Fax(615) 565-6789
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 1992
Enumeration DateMay 22, 2006
Last NPPES UpdateFebruary 25, 20202 updates tracked since enumeration
NPI 1306891262 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Advanced Heart Failure and Transplant CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0001X
License Licensed in TN · 34472
Definition
Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 34472 (TN)
4230 HARDING RD, Nashville, TN 37205

Other Identifiers 3

Other6011524TN · Bcbs
Medicaid3332534TN
OtherP00449685TN · Rr Medicare

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

Mark Freeman Aaron 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 ID3577542273
PECOS Enrollment IDI20040716000107
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.

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.
388 services218 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.
223 services157 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
189 services78 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
175 services170 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
89 services85 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
51 services48 patients

Hospital Affiliations CMS Care Compare 3

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

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

Henry County Medical Center

Acute Care Hospitals · Paris, TN
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number440132
Location301 Tyson AvParis, TN 38242 · Henry County
Emergency services

Saint Thomas River Park Hospital

Acute Care Hospitals · Mcminnville, TN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440151
Location1559 Sparta StreetMcminnville, TN 37110 · Warren 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
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier11 claims12 services$17.64 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers31 claims32 services$83.31 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Anesthesiology
4230 HARDING RD, SUITE 435
NASHVILLE, TN 37205
Internal Medicine
4230 HARDING RD, SUITE 400
NASHVILLE, TN 37205
Anesthesiology (Critical Care Medicine)
4230 HARDING RD, SUITE 435
NASHVILLE, TN 37205
Internal Medicine
4230 HARDING RD, SUITE 400
NASHVILLE, TN 37205
Internal Medicine
4230 HARDING RD, STE. 530 HEART INSTITUTE
NASHVILLE, TN 37205
Internal Medicine (Pulmonary Disease)
4230 HARDING RD, SUITE 400
NASHVILLE, TN 37205
Nurse Anesthetist, Certified Registered
4230 HARDING RD, SUITE 435
NASHVILLE, TN 37205
Internal Medicine
4230 HARDING RD, SUITE 400
NASHVILLE, TN 37205

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 Mark Aaron's NPI number?

The NPI number for Mark Aaron is 1306891262. It was assigned to this individual provider in the NPPES registry on May 22, 2006.

Where is Mark Aaron located?

Mark Aaron practices at 4230 Harding Rd Suite 330, Nashville, TN 37205. The listed phone number is (615) 269-4545.

What is Mark Aaron's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Is Mark Aaron enrolled in Medicare?

Yes. Mark Aaron 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 Mark Aaron 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 Mark Aaron 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 Mark Aaron affiliated with any hospitals?

According to CMS data, Mark Aaron is affiliated with Ascension Saint Thomas Hospital, Henry County Medical Center and Saint Thomas River Park Hospital.

When was this NPI record last updated?

The NPPES record for Mark Aaron was last updated on February 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.