STEVEN J. FELDHAUS M.D.
NPI 1649385451
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Sioux Falls, SD

Q: What is Steven Feldhaus's NPI number?

The NPI number for Steven Feldhaus is 1649385451. It was assigned to this individual provider in the NPPES registry on August 20, 2006.

Q: What is Steven Feldhaus'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 Steven Feldhaus was last updated on August 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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 August 20, 2006PECOS Enrolled

4520 W 69TH ST, SIOUX FALLS, SD 57108(605) 977-5000(605) 977-5377 Get Directions Write a Review

NPPES record last updated: August 16, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Steven J. Feldhaus M.d. NPPES

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

STEVEN J. FELDHAUS M.D. (NPI 1649385451) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Sioux Falls, South Dakota, licensed in South Dakota (8457) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649385451

Entity TypeIndividualMale

Primary Taxonomy208G00000X

Provider Legal NameSTEVEN J. FELDHAUSCredential: M.D.

Location Address4520 W 69TH STSioux Falls, SD 57108-8148

Mailing Address4520 W 69th StSioux Falls, SD 57108-8148 · (605) 977-5000 · Fax (605) 977-5377

Phone(605) 977-5000

Fax(605) 977-5377

Sole ProprietorNo

Enumeration DateAugust 20, 2006

Last NPPES UpdateAugust 16, 2012

✔ NPI 1649385451 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

License✔ Licensed in SD · 8457

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 ListedSurgery · Vascular SurgeryTaxonomy 2086S0129X · License 18180 (NE), 27908 (IA)

4520 W 69TH ST, Sioux Falls, SD 57108

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Other Identifiers 7

Medicare UPINE56841NE

Medicare PINI16657IA

Medicare PINS106200SD

Medicare PINP00309256NE

Medicare PINI5707IA

Medicare PINI17249IA

Medicare PIN098533NE

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Steven J. Feldhaus M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Heart Hospital Of South Dakota LLC

Same address

Cardiovascular Disease

4520 W 69TH ST
Sioux Falls, SD 57108

Reassigned Medicare billing, South Dakota enrollment
Also billed through NPI 1023003969 (South Dakota)
61 clinicians in this Medicare group

NPI 1407109705 (605) 977-5000

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 57108 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

$167.23 typical visit price

range $55.52 – $167.23

Typical copayment $41.80 (range $13.88 – $41.80)

Most-billed visit code 99205

Established Patient

$69.20 typical visit price

range $18.08 – $137.08

Typical copayment $17.30 (range $4.52 – $34.27)

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.

KELLY J STEFFEN DO

Internal Medicine (Cardiovascular Disease)