OPHTHALMOLOGY LTD
NPI 1871589531
Ophthalmology in Sioux Falls, SD

Active since September 27, 2005
6601 S MINNESOTA AVE, SUITE 200, SIOUX FALLS, SD 57108(605) 336-6294(605) 336-0266 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 17, 2021, Jan 18, 2018 (2 updates tracked since 2018).

About Ophthalmology Ltd NPPES

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

OPHTHALMOLOGY LTD (NPI 1871589531) is a healthcare organization registered as an ophthalmology in Sioux Falls, South Dakota and active in the NPI registry since September 2005. The organization lists Bryan J Hammer, President, as its authorized official.

NPPES Registry Identity

NPI1871589531
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameOPHTHALMOLOGY LTD
Location Address6601 S MINNESOTA AVE, SUITE 200Sioux Falls, SD 57108-2564
Mailing Address6601 S Minnesota Ave Ste 200Sioux Falls, SD 57108-2564 · (605) 336-6294 · Fax (605) 336-0266
Fax(605) 336-0266
Organization SubpartNo
Authorized OfficialBryan J HammerPresident · (605) 336-6294
Enumeration DateSeptember 27, 2005
Last NPPES UpdateJune 11, 20262 updates tracked since enumeration
NPPES CertifiedJune 11, 2026
✔ NPI 1871589531 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
6601 S MINNESOTA AVE, Sioux Falls, SD 57108

Other Identifiers 10

Other25529IA · Welmark Of Ia
Other0000131SD · Blue Shield Sd
Medicaid0741660IA
Other121854D375MN · Ucare Mn
Other91128OPMN · Blue Shield Mn
Other68A69OPMN · Blue Shield Mn
Other802S0OPMN · Blue Shield Mn
Medicaid318430000MN
Other52223IA · Wellmark Of Ia
Other19431Healthpartners

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)

Ophthalmology Ltd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 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
StateSouth DakotaEnrollment IDO20100930037880DME · Physician - OphthalmologyDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

14

Medicare enrollment records show 14 clinicians reassign Medicare billing to Ophthalmology Ltd, which bills Medicare for the services they deliver. Of these, 13 practice at this address. They are listed nearest first.

Clinicians by Medicare Specialty 2

Ophthalmology11
Optometry3

Clinicians, nearest first (14)

Ophthalmology
NPI 1669738183
6601 S MINNESOTA AVE
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1508446964
6601 S MINNESOTA AVE
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1255829776
6601 S MINNESOTA AVE STE 200
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1629057666
6601 S MINNESOTA AVE SUITE 200
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1710152061
6601 S MINNESOTA AVE 200
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1154441608
6601 S MINNESOTA AVE STE 200
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1992766026
6601 S MINNESOTA AVE SUITE 200
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1215279856
6601 S MINNESOTA AVE STE 200
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Optometry
NPI 1083607493
6601 S MINNESOTA AVE. SUITE 200
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1255391801
6601 S MINNESOTA AVE SUITE 200
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Optometry
NPI 1801323118
6601 S MINNESOTA AVE STE 200
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Optometry
NPI 1609154608
6601 S MINNESOTA AVE STE 200
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1336464882
6601 S MINNESOTA AVE STE 200
Sioux Falls, SD 57108
(605) 336-6294
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1487851754
415 W 3RD ST
Yankton, SD 57078
(605) 665-9638
✔ PECOS✔ Accepts Medicare54 mi

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 Ophthalmology Ltd's NPI number?

The NPI number for Ophthalmology Ltd is 1871589531. It was assigned to this organization in the NPPES registry on September 27, 2005.

Where is Ophthalmology Ltd located?

Ophthalmology Ltd is located at 6601 S Minnesota Ave Suite 200, Sioux Falls, SD 57108. The listed phone number is (605) 336-6294.

What is Ophthalmology Ltd's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Ophthalmology Ltd enrolled in Medicare?

Yes. Ophthalmology Ltd is registered in the Medicare PECOS enrollment system.

When is Ophthalmology Ltd's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare DME enrollment for this organization (South Dakota, Physician - Ophthalmology) is due for revalidation by March 31, 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 Ophthalmology Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 14 clinicians in 2 Medicare specialties reassign their Medicare billing to Ophthalmology Ltd. 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 Ophthalmology (11) and Optometry (3). Of these, 13 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Ophthalmology Ltd accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Avera Health Plans and 1 other insurer list Ophthalmology Ltd 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 Ophthalmology Ltd was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.