WILLIAM WALLEN MD
NPI 1164827945
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Indianapolis, IN

Q: What is William Wallen's NPI number?

The NPI number for William Wallen is 1164827945. It was assigned to this individual provider in the NPPES registry on October 23, 2014.

Q: What is William Wallen'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 William Wallen was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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 October 23, 2014PECOS EnrolledAccepts Medicare Assignment

8333 NAAB RD STE 320, INDIANAPOLIS, IN 46260(317) 338-3000(317) 583-3099 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 9, 2025, Jun 15, 2018 (2 updates tracked since 2018).

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About William Wallen Md NPPES

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

WILLIAM WALLEN MD (NPI 1164827945) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Indianapolis, Indiana, licensed in Kentucky (TP576) and active in the NPI registry since October 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in Lexington, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1164827945

Entity TypeIndividualMale

Primary Taxonomy208G00000X

Provider Legal NameWILLIAM WALLENCredential: MD

Location Address8333 NAAB RD STE 320Indianapolis, IN 46260-1983

Mailing Address100 Woodruff Circle, Emory School Of Medicine, Suite 327Atlanta, GA 30322 · (404) 727-5658

Phone(317) 338-3000

Fax(317) 583-3099

Sole ProprietorNo

Medical School CMSOtherGraduated 2007

Enumeration DateOctober 23, 2014

Last NPPES UpdateSeptember 9, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2025

✔ NPI 1164827945 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 · TP576✔ Licensed in IN · 01097512A

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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

8333 NAAB RD STE 320, Indianapolis, IN 46260

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Secondary Practice Location 1

Location 1800 Rose StLexington, KY 40536 · Phone (859) 323-1000

Other Identifiers 1

OtherTP576KY · Ky License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Home State Health, Ambetter Health and more.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

William Wallen 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 ID8921350943

PECOS Enrollment IDI20250916000197, I20251006001068

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46260 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

$161.76 typical visit price

range $53.07 – $161.76

Typical copayment $40.44 (range $13.26 – $40.44)

Most-billed visit code 99205

Established Patient

$66.48 typical visit price

range $16.93 – $132.22

Typical copayment $16.62 (range $4.23 – $33.05)

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 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LEONARD ALAN STEINBERG MD

Pediatrics (Pediatric Cardiology)