Active NPI
Ophthalmology LTD
- Ophthalmology Physician
- Sioux Falls, SD
National Provider Identifier
1871589531
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- Legal business name
- OPHTHALMOLOGY LTD
- Practice address
- 6601 S Minnesota Ave
Suite 200
Sioux Falls, SD 57108-2564 - Phone
- (605) 336-6294
- Fax
- (605) 336-0266
- NPI assigned
- Sep 27, 2005
- Last updated
- Jun 11, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Bryan J Hammer, MD
- Title
- President
- Phone
- (605) 336-6294
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | Primary |
Addresses
Primary practice location
6601 S Minnesota Ave
Suite 200
Sioux Falls, SD 57108-2564
Mailing address
6601 S Minnesota Ave Ste 200
Sioux Falls, SD 57108-2564
Phone (605) 336-6294
Other identifiers 10
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 802S0OP | Other | MN | BLUE SHIELD MN |
| 91128OP | Other | MN | BLUE SHIELD MN |
| 25529 | Other | IA | WELMARK OF IA |
| 318430000 | Medicaid | MN | |
| 0000131 | Other | SD | BLUE SHIELD SD |
| 52223 | Other | IA | WELLMARK OF IA |
| 68A69OP | Other | MN | BLUE SHIELD MN |
| 0741660 | Medicaid | IA | |
| 121854D375 | Other | MN | UCARE MN |
| 19431 | Other | HEALTHPARTNERS |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in SD, IA, MN
Enrollment records 4
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 43D2033186 | Ophthalmology LTD | Certificate of waiver | Nov 27, 2027 |
National Provider Directory
National Provider DirectoryLocations
105 W Main St
Pipestone, MN 56164
Phone (507) 825-5401
722 10th St
Worthington, MN 56187
Phone (507) 376-6141
436 E 4th St
Dell Rapids, SD 57022
Phone (605) 428-5701
6601 S Minnesota Ave
Ste 200
Sioux Falls, SD 57108
Phone (605) 271-2687
Interoperability endpoints
- echiang@ophltd.intellechartdirect.net
- kdickes@ophltd.intellechartdirect.net
- tvermeer@ophltd.intellechartdirect.net
Ownership & related parties
Subparts reporting this organization as parent 1
Organizations that report themselves as subparts in NPPES and name this organization, in the same state, as their parent.
-
- Ophthalmology Physician
- Watertown, SD
- NPI 1124750294
Practitioners & affiliated clinicians
Practitioners 17
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Ophthalmology Physician
- Sioux Falls, SD
- NPI 1669738183
-
- Ophthalmology Physician
- Sioux Falls, SD
- NPI 1255829776
-
- Ophthalmology Physician
- Sioux Falls, SD
- NPI 1336464882
-
- Ophthalmology Physician
- Sioux Falls, SD
- NPI 1710152061
-
- Optometrist
- Sioux Falls, SD
- NPI 1801323118
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1127779200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1781136000000",
"number": "1871589531",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6601 S MINNESOTA AVE STE 200",
"city": "SIOUX FALLS",
"state": "SD",
"postal_code": "571082564",
"telephone_number": "605-336-6294",
"fax_number": "605-336-0266"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6601 S MINNESOTA AVE",
"address_2": "SUITE 200",
"city": "SIOUX FALLS",
"state": "SD",
"postal_code": "571082564",
"telephone_number": "605-336-6294",
"fax_number": "605-336-0266"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "OPHTHALMOLOGY LTD",
"organizational_subpart": "NO",
"enumeration_date": "2005-09-27",
"last_updated": "2026-06-11",
"certification_date": "2026-06-11",
"status": "A",
"authorized_official_last_name": "HAMMER",
"authorized_official_first_name": "BRYAN",
"authorized_official_middle_name": "J",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "605-336-6294",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE SHIELD MN",
"identifier": "802S0OP",
"state": "MN"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE SHIELD MN",
"identifier": "91128OP",
"state": "MN"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "WELMARK OF IA",
"identifier": "25529",
"state": "IA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "318430000",
"state": "MN"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE SHIELD SD",
"identifier": "0000131",
"state": "SD"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "WELLMARK OF IA",
"identifier": "52223",
"state": "IA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE SHIELD MN",
"identifier": "68A69OP",
"state": "MN"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0741660",
"state": "IA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "UCARE MN",
"identifier": "121854D375",
"state": "MN"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HEALTHPARTNERS",
"identifier": "19431",
"state": null
}
],
"endpoints": [],
"other_names": []
}Other providers in Sioux Falls, SD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.