WILLIAM FLOYD FLEET III M.D.
NPI 1952304990
Internal Medicine - Cardiovascular Disease in Franklin, TN

Q: What is William Fleet's NPI number?

The NPI number for William Fleet is 1952304990. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Q: What is William Fleet's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for William Fleet was last updated on May 28, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 May 23, 2005PECOS EnrolledAccepts Medicare Assignment

4323 CAROTHERS PKWY, SUITE 308, FRANKLIN, TN 37067(615) 565-6670(615) 565-6677 Get Directions Write a Review

NPPES record last updated: May 28, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 28, 2019, Jul 9, 2018 (2 updates tracked since 2018).

On this page

About William Floyd Fleet Iii M.d. NPPES

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

WILLIAM FLOYD FLEET III M.D. (NPI 1952304990) is an individual cardiovascular disease provider in Franklin, Tennessee, licensed in Tennessee (18559) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Williamson Medical Center, and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (1986).

NPPES Registry Identity

NPI1952304990

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameWILLIAM FLOYD FLEET IIICredential: M.D.

Location Address4323 CAROTHERS PKWY, SUITE 308Franklin, TN 37067

Mailing Address300 20th Ave N, Ste 403Nashville, TN 37203-5180 · (615) 284-7261 · Fax (615) 284-7501

Phone(615) 565-6670

Fax(615) 565-6677

Sole ProprietorNo

Medical School CMSUniversity Of North Carolina At Chapel Hill School Of MedicineGraduated 1986

Enumeration DateMay 23, 2005

Last NPPES UpdateMay 28, 20192 updates tracked since enumeration

✔ NPI 1952304990 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in TN · 18559

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedSpecialistTaxonomy 174400000X · License 18559 (TN)

Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X · License 18559 (TN)

4323 CAROTHERS PKWY, Franklin, TN 37067

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Other Identifiers 4

Medicaid3086033TN

Other6011958TN · Bcbs

OtherP01376489TN · Rr Medicare

Medicaid1510071TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Insurance Company.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

William Floyd Fleet Iii 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 ID1850204124

PECOS Enrollment IDI20031112000120

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 William Fleet reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Williamson Professional Practice

Same address

Cardiovascular Disease

4321 CAROTHERS PARKWAY
Franklin, TN 37067

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

NPI 1841428661 (615) 790-7992

Saint Thomas Medical Partners

0.3 mi

Gynecology

4601 CAROTHERS PARKWAY, STE. 350
Franklin, TN 37067

Reassigned Medicare billing, Tennessee enrollment
1,304 clinicians in this Medicare group

NPI 1164679411 (615) 284-4664

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 21

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.

813 services569 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.

468 services391 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.

328 services320 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

129 services129 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

117 services116 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

83 services11 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

80 services79 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

71 services71 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

53 services51 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

38 services38 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.

34 services34 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.

32 services32 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

30 services28 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.

30 services20 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

28 services28 patients

Heart rhythm recording of continous external ekg over 8-15 days 93246

A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.

25 services22 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

15 services14 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

15 services14 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

12 services12 patients

Ultrasound of heart during rest, exercise and/or drug-induced stress with report 93350

This procedure involves using ultrasound imaging to view your heart at rest, during exercise, and/or under drug-induced stress. It helps assess how well your heart responds to exertion. A report of the findings is provided after the test.

12 services12 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Williamson Medical Center

Acute Care Hospitals · Franklin, TN

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number440029

Location4321 Carothers ParkwayFranklin, TN 37067 · Williamson 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 37067 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

$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.

FRANCES B KOPECKY MD

Neurological Surgery

4323 CAROTHERS PKWY, SUITE 609
FRANKLIN, TN 37067

Williamson County (615) 550-1800

JOHN MARCEL BURNEY MD PLLC

Obstetrics & Gynecology

4323 CAROTHERS PKWY, SUITE 203
FRANKLIN, TN 37067

Williamson County (615) 599-4465

ASHLEY JEAN MOSS NP

Nurse Practitioner (Obstetrics & Gynecology)

4323 CAROTHERS PKWY, SUITE 208
FRANKLIN, TN 37067

Williamson County (615) 778-0010

PAUL CYRIL BUECHEL MD, PA

Psychiatry & Neurology (Neurology)

4323 CAROTHERS PKWY, SUITE 608
FRANKLIN, TN 37067

Williamson County (615) 423-2508

LAURA FORESTER HUNT MD

Internal Medicine (Pulmonary Disease)

4323 CAROTHERS PKWY, SUITE 605
FRANKLIN, TN 37067

Williamson County (615) 790-4159

TENNESSEE ONCOLOGY PHARMACY DISPENSING

Non-Pharmacy Dispensing Site

4323 CAROTHERS PKWY, STE 500
FRANKLIN, TN 37067

Williamson County (615) 591-4764

WILLIAMSON COUNTY HOSPITAL DISTRICT

Internal Medicine

4323 CAROTHERS PKWY, SUITE 409
FRANKLIN, TN 37067

Williamson County (615) 435-7780

JULIE A HENDRIX, LLC

Internal Medicine (Endocrinology, Diabetes & Metabolism)

4323 CAROTHERS PKWY, SUITE 403
FRANKLIN, TN 37067

Williamson County (615) 794-8224

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 William Fleet's NPI number?

The NPI number for William Fleet is 1952304990. It was assigned to this individual provider in the NPPES registry on May 23, 2005.

Where is William Fleet located?

William Fleet practices at 4323 Carothers Pkwy Suite 308, Franklin, TN 37067. The listed phone number is (615) 565-6670.

What is William Fleet's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is William Fleet enrolled in Medicare?

Yes. William Fleet 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 William Fleet's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Fleet reassigns Medicare benefits to 2 organizations: Williamson Professional Practice (Franklin, TN) and Saint Thomas Medical Partners (Franklin, 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 William Fleet's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Fleet accept?

Health plans from BlueCross BlueShield of Tennessee, Cigna Healthcare and Oscar Insurance Company list William Fleet 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 William Fleet affiliated with any hospitals?

According to CMS data, William Fleet is affiliated with Williamson Medical Center and Ascension Saint Thomas Hospital.

When was this NPI record last updated?

The NPPES record for William Fleet was last updated on May 28, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.