CARDIOTHORACIC SURGEONS INC.
NPI 1770796096
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Indianapolis, IN

Active since May 07, 2007
1701 N SENATE BLVD, INDIANAPOLIS, IN 46202(888) 484-3258 Get Directions Write a Review

NPPES record last updated: May 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 29, 2025, Nov 29, 2018, Feb 27, 2018 (3 updates tracked since 2018).

About Cardiothoracic Surgeons Inc. NPPES

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

CARDIOTHORACIC SURGEONS INC. (NPI 1770796096) is a healthcare organization registered as a thoracic surgery (cardiothoracic vascular surgery) in Indianapolis, Indiana and active in the NPI registry since May 2007. The organization lists Todd A Williams, Cfo, as its authorized official.

NPPES Registry Identity

NPI1770796096
Entity TypeOrganization
Primary Taxonomy208G00000X
Legal Business NameCARDIOTHORACIC SURGEONS INC.
Location Address1701 N SENATE BLVDIndianapolis, IN 46202-1239
Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959 · (888) 484-3258
Organization SubpartNo
Authorized OfficialTodd A WilliamsCfo · (317) 948-3525
Enumeration DateMay 7, 2007
Last NPPES UpdateMay 29, 20253 updates tracked since enumeration
NPPES CertifiedMay 29, 2025
✔ NPI 1770796096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
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 ListedTransplant SurgeryTaxonomy 204F00000X
Also ListedSurgery · Pediatric SurgeryTaxonomy 2086S0120X
Also ListedSurgery · Plastic and Reconstructive SurgeryTaxonomy 2086S0122X
1701 N SENATE BLVD, Indianapolis, IN 46202

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cardiothoracic Surgeons Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateIndianaEnrollment IDO20050321000528Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

93

Medicare enrollment records show 93 clinicians reassign Medicare billing to Cardiothoracic Surgeons Inc., which bills Medicare for the services they deliver. Of these, 5 practice at this address and 56 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 5

Nurse Practitioner45
Thoracic Surgery23
Plastic and Reconstructive Surgery18
General Surgery5
Cardiac Surgery2

Nearest to this location (20)

See all 93
Cardiac Surgery
NPI 1780797589
1701 N SENATE BLVD
Indianapolis, IN 46202
(317) 962-3256
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1285529263
1701 N SENATE AVE
Indianapolis, IN 46202
(317) 962-2000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1326687229
1701 N SENATE BLVD
Indianapolis, IN 46202
(317) 962-5035
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1699552430
1801 N SENATE AVE
Indianapolis, IN 46202
(317) 962-5820
✔ PECOSSame address
General Surgery
NPI 1164603049
1801 N SENATE BLVD
Indianapolis, IN 46202
(317) 944-3636
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1518335124
1701 N SENATE BLVD
Indianapolis, IN 46202
(317) 944-5000
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1043993124
1701 N SENATE BLVD
Indianapolis, IN 46202
(812) 320-4321
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1518779487
1701 N SENATE BLVD
Indianapolis, IN 46202
(317) 962-3256
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1457112740
1701 N SENATE BLVD
Indianapolis, IN 46202
(317) 962-5065
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1184101792
1701 N SENATE BLVD
Indianapolis, IN 46202
(317) 962-0582
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1083167613
1801 N SENATE BLVD STE 230
Indianapolis, IN 46202
(317) 962-5820
✔ PECOS✔ Accepts Medicare0.1 mi
Thoracic Surgery
NPI 1568800548
1801 N SENATE BLVD
Indianapolis, IN 46202
(317) 923-1787
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1902420771
1801 N SENATE BLVD
Indianapolis, IN 46202
(317) 944-3636
✔ PECOS✔ Accepts Medicare0.1 mi
Plastic and Reconstructive Surgery
NPI 1578646584
1801 N SENATE BLVD MPC2 STE 3550
Indianapolis, IN 46202
(317) 944-3636
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1366044109
1801 N SENATE BLVD STE 3300
Indianapolis, IN 46202
(317) 923-1787
✔ PECOS✔ Accepts Medicare0.1 mi
Plastic and Reconstructive Surgery
NPI 1164654257
1801 N SENATE BLVD STE 525
Indianapolis, IN 46202
(323) 481-4199
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1639835077
1801 N SENATE BLVD STE AGO053
Indianapolis, IN 46202
(317) 944-3636
✔ PECOS✔ Accepts Medicare0.1 mi
Thoracic Surgery
NPI 1861677361
1701 N SENATE BLVD
Indianapolis, IN 46202
(317) 962-3256
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1710653662
1701 N SENATE BLVD
Indianapolis, IN 46202
(317) 652-0295
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1124748660
1701 N SENATE BLVD
Indianapolis, IN 46202
(317) 923-1787
✔ PECOS✔ Accepts Medicare0.1 mi
See all 93 clinicians

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

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 Cardiothoracic Surgeons Inc.'s NPI number?

The NPI number for Cardiothoracic Surgeons Inc. is 1770796096. It was assigned to this organization in the NPPES registry on May 7, 2007.

Where is Cardiothoracic Surgeons Inc. located?

Cardiothoracic Surgeons Inc. is located at 1701 N Senate Blvd, Indianapolis, IN 46202. The listed phone number is (888) 484-3258.

What is Cardiothoracic Surgeons Inc.'s specialty?

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

Is Cardiothoracic Surgeons Inc. enrolled in Medicare?

Yes. Cardiothoracic Surgeons Inc. is registered in the Medicare PECOS enrollment system.

When is Cardiothoracic Surgeons Inc.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Indiana, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Cardiothoracic Surgeons Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 93 clinicians in 5 Medicare specialties reassign their Medicare billing to Cardiothoracic Surgeons Inc.. A 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 the clinician's services. The largest specialties are Nurse Practitioner (45), Thoracic Surgery (23) and Plastic and Reconstructive Surgery (18). Of these, 5 practice at this address and 56 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Cardiothoracic Surgeons Inc. accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Cardiothoracic Surgeons Inc. 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 Cardiothoracic Surgeons Inc. was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.