WILLIAM WALLEN MD – NPI #1164827945
Thoracic Surgery (Cardiothoracic Vascular Surgery)

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.

WILLIAM WALLEN is a thoracic surgeon located in INDIANAPOLIS, IN. NPPES has assigned the NPI number 1164827945 to WILLIAM WALLEN on October 23, 2014. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 208G00000X from the Health Care Provider Taxonomy code set, which is classified as Thoracic Surgery (Cardiothoracic Vascular Surgery).

The NPI profile was last updated on Sep 09, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for WILLIAM WALLEN below.

NPI Profile for
WILLIAM WALLEN

NPI Number
1164827945
Enumeration Date

(more than 11 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
WILLIAM WALLEN
Credentials
MD
Primary location
8333 NAAB RD STE 320
INDIANAPOLIS, IN 46260-1983
Phone: (317) 338-3000 Fax: (317) 583-3099
1 Other location(s):
800 Rose St
Lexington, KY 40536
Phone: (859) 323-1000
Mailing address
100 WOODRUFF CIRCLE
EMORY SCHOOL OF MEDICINE, SUITE 327
ATLANTA, GA 30322
Phone: (404) 727-5658 Fax:
Sole Proprietor
No
Updated
Certification Date
Sep 09, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for WILLIAM WALLEN

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
otherKY LICENSEKYTP576
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices

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