THOMAS GARRETT FLYNN III
NPI 1720549785
Internal Medicine - Infectious Disease in Nashville, TN

Active since March 30, 2019PECOS EnrolledAccepts Medicare Assignment
3601 THE VANDERBILT CLINIC, NASHVILLE, TN 37232(615) 322-5000 Get Directions Write a Review

NPPES record last updated: April 29, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Apr 29, 2026, Apr 23, 2026 (2 updates tracked since 2026).

About Thomas Garrett Flynn Iii NPPES

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

THOMAS GARRETT FLYNN III (NPI 1720549785) is an individual infectious disease provider in Nashville, Tennessee, licensed in Tennessee (76936) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Williamson Medical Center, and maintains a secondary practice location in Cleveland.

NPPES Registry Identity

NPI1720549785
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameTHOMAS GARRETT FLYNN III
Location Address3601 THE VANDERBILT CLINICNashville, TN 37232
Mailing Address3841 Green Hills Village Dr Ste 200Nashville, TN 37215-2691 · (615) 322-6842
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 30, 2019
Last NPPES UpdateApril 29, 20262 updates tracked since enumeration
NPPES CertifiedApril 29, 2026
✔ NPI 1720549785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in TN · 76936
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
3601 THE VANDERBILT CLINIC, Nashville, TN 37232

Secondary Practice Location 1

Location 19500 Euclid Ave # Na-23Cleveland, OH 44195-0001 · Phone (216) 444-2200

Accepted 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

Thomas Garrett Flynn Iii 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 ID6901139088
PECOS Enrollment IDI20260427002722
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 Reassignment

Medicare enrollment records show Thomas Flynn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
1301 22ND AVE S
Nashville, TN 37232
  • Reassigned Medicare billing, Tennessee enrollment
  • 4,711 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37232 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.

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.

Pediatrics (Pediatric Cardiology)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Nurse Practitioner (Acute Care)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Nurse Practitioner (Pediatrics)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Internal Medicine (Pulmonary Disease)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Family Medicine
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Psychologist (Clinical Child & Adolescent)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Nurse Practitioner
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Surgery (Surgical Oncology)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232

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 Thomas Flynn's NPI number?

The NPI number for Thomas Flynn is 1720549785. It was assigned to this individual provider in the NPPES registry on March 30, 2019.

Where is Thomas Flynn located?

Thomas Flynn practices at 3601 The Vanderbilt Clinic, Nashville, TN 37232. The listed phone number is (615) 322-5000.

What is Thomas Flynn's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Thomas Flynn enrolled in Medicare?

Yes. Thomas Flynn 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 organization bills Medicare for Thomas Flynn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Flynn reassigns Medicare benefits to Vanderbilt University Medical Center (Nashville, TN). The 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 Thomas Flynn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Flynn accept?

Health plans from BlueCross BlueShield of Tennessee and Oscar Insurance Company list Thomas Flynn 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 Thomas Flynn affiliated with any hospitals?

According to CMS data, Thomas Flynn is affiliated with Williamson Medical Center and Vanderbilt University Medical Center.

When was this NPI record last updated?

The NPPES record for Thomas Flynn was last updated on April 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.