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RYAN ELLWEIN OD PC
NPI 1912229683
Clinic/Center - Ophthalmologic Surgery in Sioux Falls, SD

Active since February 23, 2010
3501 W 41ST ST, STE 110 B, SIOUX FALLS, SD 57106(605) 271-9060(605) 271-9062 Get Directions Write a Review

NPPES record last updated: February 23, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ryan Ellwein Od Pc NPPES

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

RYAN ELLWEIN OD PC (NPI 1912229683) is a healthcare organization registered as an ophthalmologic surgery in Sioux Falls, South Dakota and active in the NPI registry since February 2010. The organization lists Ryan Ellwein, Owner, as its authorized official.

NPPES Registry Identity

NPI1912229683
Entity TypeOrganization
Primary Taxonomy261QS0132X
Legal Business NameRYAN ELLWEIN OD PC
Location Address3501 W 41ST ST, STE 110 BSioux Falls, SD 57106-0709
Mailing Address3501 W 41st St, Ste 110 BSioux Falls, SD 57106-0709 · (605) 271-9060 · Fax (605) 271-9062
Phone(605) 271-9060
Fax(605) 271-9062
Organization SubpartNo
Authorized OfficialRyan EllweinOwner · (605) 271-9060
Enumeration DateFebruary 23, 2010
✔ NPI 1912229683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ophthalmologic SurgeryAmbulatory Health Care Facilities
Taxonomy Code261QS0132X
License✔ Licensed in SD · 595
3501 W 41ST ST, Sioux Falls, SD 57106
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Other Identifiers 2

Medicaid9203364SD
Medicare UPINU98623SD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ryan Ellwein Od Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Ryan Ellwein Od PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ryan Ellwein, OD
Optometry
NPI 1801981030
3501 W 41ST ST SUITE 110B
Sioux Falls, SD 57106
(605) 271-9060
✔ PECOSSame address

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 Ryan Ellwein Od PC's NPI number?

The NPI number for Ryan Ellwein Od PC is 1912229683. It was assigned to this organization in the NPPES registry on February 23, 2010.

Where is Ryan Ellwein Od PC located?

Ryan Ellwein Od PC is located at 3501 W 41st St Ste 110 B, Sioux Falls, SD 57106. The listed phone number is (605) 271-9060.

What is Ryan Ellwein Od PC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ophthalmologic Surgery, with taxonomy code 261QS0132X.

Is Ryan Ellwein Od PC enrolled in Medicare?

Yes. Ryan Ellwein Od PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ryan Ellwein Od PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Ryan Ellwein Od PC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ryan Ellwein Od PC was last updated on February 23, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.