DR. FELIX WANG TSAI M.D.
NPI 1972703015
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Louisville, KY

Q: What is Felix Tsai's NPI number?

The NPI number for Felix Tsai is 1972703015. It was assigned to this individual provider in the NPPES registry on July 18, 2007.

Q: What is Felix Tsai's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Q: When was this NPI record last updated?

The NPPES record for Felix Tsai was last updated on March 26, 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.

Active since July 18, 2007PECOS EnrolledAccepts Medicare Assignment

411 E CHESTNUT ST, LOUISVILLE, KY 40202(502) 588-7641(502) 588-7700 Get Directions Write a Review

NPPES record last updated: March 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Felix Wang Tsai M.d. NPPES

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

DR. FELIX WANG TSAI M.D. (NPI 1972703015) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Louisville, Kentucky, licensed in Kentucky (61904) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1972703015

Entity TypeIndividualMale

Primary Taxonomy208G00000X

Provider Legal NameDR. FELIX WANG TSAICredential: M.D.

Location Address411 E CHESTNUT STLouisville, KY 40202-1713

Mailing AddressPo Box 776879Chicago, IL 60677-6879 · (502) 588-9490 · Fax (502) 272-5116

Phone(502) 588-7641

Fax(502) 588-7700

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateJuly 18, 2007

Last NPPES UpdateMarch 26, 2026

NPPES CertifiedMarch 26, 2026

✔ NPI 1972703015 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians

Taxonomy Code208G00000X

Licenses✔ Licensed in KY · 61904✔ Licensed in VA · 0101249419✔ Licensed in TX · N1191✔ Licensed in TX · FTL 41883✔ Licensed in SC · 27000

Definition

A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

Also ListedPediatrics · Pediatric CardiologyTaxonomy 2080P0202X · License N1191 (TX)

411 E CHESTNUT ST, Louisville, KY 40202

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Other Identifiers 7

Other189048504TX · Cshcn

Other8A4325TX · Bcbs

Medicaid5917693NC

Medicaid1972703015VA

Medicaid189048503TX

Medicaid189048501TX

Other189048502TX · Cshcn

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health 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. Felix Wang Tsai 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 ID9931292224

PECOS Enrollment IDI20260422002340

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 Felix Tsai reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Norton Children's Medical Group, LLC

10 mi

Clinical Genetics (M.D.)

4803 OLYMPIA PARK PLZ STE 1100
Louisville, KY 40241

Reassigned Medicare billing, Kentucky enrollment
Medicare enrollment name: Norton Childrens Medical Group LLC
1,008 clinicians in this Medicare group

NPI 1013559921 (502) 272-5336

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40202 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

$162.27 typical visit price

range $52.76 – $162.27

Typical copayment $40.56 (range $13.19 – $40.56)

Most-billed visit code 99205

Established Patient

$66.24 typical visit price

range $16.53 – $131.99

Typical copayment $16.56 (range $4.13 – $32.99)

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.

PATRICIA GAIL WILLIAMS MD

Pediatrics (Developmental - Behavioral Pediatrics)

411 E CHESTNUT ST
LOUISVILLE, KY 40202

Jefferson County (502) 588-0850

MS. KIMBERLY LYNNE HALL DNP FNP-BC

Nurse Practitioner (Family)

411 E CHESTNUT ST
LOUISVILLE, KY 40202

Jefferson County (502) 588-2201

MS. ANN ELIZABETH LORIMER PA-C

Physician Assistant

411 E CHESTNUT ST
LOUISVILLE, KY 40202

Jefferson County (502) 588-7600

AMANDA BRIAN ROGERS MD

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

411 E CHESTNUT ST
LOUISVILLE, KY 40202

Jefferson County (502) 588-3650

HALLEY STEWART GC

Genetic Counselor, MS

411 E CHESTNUT ST, LEVEL 2
LOUISVILLE, KY 40202

Jefferson County (502) 588-0850

DR. MARY E FALLAT M.D.

Surgery (Pediatric Surgery)

411 E CHESTNUT ST
LOUISVILLE, KY 40202

Jefferson County (502) 588-0390

JESSICA RAY COLEMAN APRN

Nurse Practitioner (Family)

411 E CHESTNUT ST
LOUISVILLE, KY 40202

Jefferson County (502) 588-3400

ALICE BOOS-EDWARDS APRN

Nurse Practitioner (Pediatrics)

411 E CHESTNUT ST
LOUISVILLE, KY 40202

Jefferson County (502) 588-2201

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 Felix Tsai's NPI number?

The NPI number for Felix Tsai is 1972703015. It was assigned to this individual provider in the NPPES registry on July 18, 2007.

Where is Felix Tsai located?

Felix Tsai practices at 411 E Chestnut St, Louisville, KY 40202. The listed phone number is (502) 588-7641.

What is Felix Tsai's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Felix Tsai enrolled in Medicare?

Yes. Felix Tsai 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 Felix Tsai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Felix Tsai reassigns Medicare benefits to Norton Children's Medical Group, LLC (Louisville, KY). 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 Felix Tsai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Felix Tsai accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Felix Tsai 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.

When was this NPI record last updated?

The NPPES record for Felix Tsai was last updated on March 26, 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.