Active NPI
Pioneer Memorial Hospital & Health Services
Doing business as Viborg Medical Clinic
- Rural Health Clinic/Center
- Viborg, SD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Rural Health Clinic/Center
- Legal business name
- PIONEER MEMORIAL HOSPITAL & HEALTH SERVICES
- Doing business as
- Viborg Medical Clinic
- Practice address
- 103 W Pioneer
Viborg, SD 57070-0337 - Phone
- (605) 326-5201
- Fax
- (605) 326-5196
- NPI assigned
- May 8, 2006
- Last updated
- Feb 23, 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
- Isaac Gerdes
- Title
- Chief Executive Officer
- Phone
- (605) 326-5161
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Rural Health Clinic/Center | 261QR1300X | SD | Primary |
Addresses
Primary practice location
103 W Pioneer
Viborg, SD 57070-0337
Mailing address
PO Box 368
Viborg, SD 57070-0368
Phone (605) 326-5201
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 5345000 | Medicaid | SD |
Other names 1
- Viborg Medical Clinic
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in SD
Enrollment records 2
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20031111000252 | SD | Part B Supplier - Clinic/Group Practice | 9234042755 |
Receives reassigned benefits from 16 practitioners 2 other NPIs on this enrollment Practice locations: Viborg, SD |
| O20100724000319 | SD | Part A Provider - Rural Health Clinic | 9234042755 | Practice locations: Viborg, SD |
NPI to CCN mapping 1
The Medicare certification numbers (CCNs) connected to NPI 1619926706. Details of each certification follow.
Rural health clinic certification: CCN 433993
- Legal name
- PIONEER MEMORIAL HOSPITAL & HEALTH SERVICES
- Doing business as
- VIBORG MEDICAL CLINIC
- Certification status
- Active
- Provider type (POS)
- Rural health clinic
- Participating since
- Sep 28, 1995
- Last certification
- Jun 19, 2019
- Ownership / control type
- 1B
- Organization structure
- Corporation
- Incorporated
- Jan 1, 1996 in SD
- Enrollment address
- 103 W Pioneer
Viborg, SD 57070 - Related CCNs
- 431328
Related certifications (CCN) 1
Facilities connected through Provider of Services related, parent or unit certification numbers.
-
- Critical Access Hospital
- Viborg, SD
- NPI 1598713281
Parent provider
Other NPIs with the same Medicare PAC ID 5
NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).
-
- Medicare Defined Swing Bed Hospital Unit
- Viborg, SD
- NPI 1265467245
9234042755
-
dba Pioneer Memorial Nursing Home
- Skilled Nursing Facility
- Viborg, SD
- NPI 1417067059
9234042755
-
- Critical Access Hospital
- Viborg, SD
- NPI 1598713281
9234042755
-
dba Parker Medical Clinic
- Rural Health Clinic/Center
- Parker, SD
- NPI 1619925450
9234042755
-
dba Centerville Medical Clinic
- Rural Health Clinic/Center
- Centerville, SD
- NPI 1528017662
9234042755
Other NPIs on the same Medicare enrollment 2
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
-
- Critical Access Hospital
- Viborg, SD
- NPI 1598713281
O20031111000252
-
dba Bess surgery Clinic
- Clinic/Center
- Sioux Falls, SD
- NPI 1912057274
O20031111000252
National Provider Directory
National Provider DirectoryLocations
345 W Steamboat Dr
#2
Dakota Dunes, SD 57049
Phone (712) 233-2487
2701 S Spring Ave
Sioux Falls, SD 57105
Phone (605) 334-1944
Ownership & related parties
All disclosed owners & managing parties 8
As disclosed on the Medicare enrollment (CMS All Owners files). Individuals include officers, directors and managing employees, who may not hold ownership.
| Name | Role | Since | Share |
|---|---|---|---|
| Troy Lee | Corporate Director | Mar 1, 2016 | |
| Anne Marie Christiansen | Corporate Director | May 27, 2010 | |
| W-2 Managing Employee | May 27, 2010 | ||
| Paul D Christensen | Corporate Director | May 27, 2010 | |
| Kimberly Larsen | Corporate Director | Mar 1, 2018 | |
| Melanie L Parsons | Corporate Director | May 27, 2010 | |
| Tonya Rudd | Corporate Director | Jul 6, 2018 | |
| W-2 Managing Employee | Jul 6, 2018 | ||
| Pioneer Memorial Hospital & Health Services | 5% Or Greater Direct Ownership Interest | May 27, 2010 | |
| Lindsey Hauger | Corporate Director | May 1, 2020 | |
| W-2 Managing Employee | May 1, 2020 |
Owners & managing parties with NPI records 5
Owners and managing parties disclosed on this facility’s Medicare enrollment that are themselves Medicare-enrolled.
-
- Medicare Defined Swing Bed Hospital Unit
- Viborg, SD
- NPI 1265467245
5% Or Greater Direct Ownership Interest
-
dba Pioneer Memorial Nursing Home
- Skilled Nursing Facility
- Viborg, SD
- NPI 1417067059
5% Or Greater Direct Ownership Interest
-
- Critical Access Hospital
- Viborg, SD
- NPI 1598713281
5% Or Greater Direct Ownership Interest
-
dba Parker Medical Clinic
- Rural Health Clinic/Center
- Parker, SD
- NPI 1619925450
5% Or Greater Direct Ownership Interest
-
dba Centerville Medical Clinic
- Rural Health Clinic/Center
- Centerville, SD
- NPI 1528017662
5% Or Greater Direct Ownership Interest
All facility ownership & control disclosures 5
Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.
| Facility | Type | Role | Since |
|---|---|---|---|
| Pioneer Memorial Hospital | Hospital | 5% Or Greater Direct Ownership Interest (100%) | Jun 1, 1959 |
| Pioneer Memorial Hospital & Health Services | Hospital | 5% Or Greater Direct Ownership Interest (100%) | Jan 1, 1966 |
| Pioneer Memorial Nursing Home | Skilled nursing facility | 5% Or Greater Direct Ownership Interest (100%) Operational/Managerial Control Adp of the SNF |
Apr 1, 2004 Dec 10, 2024 Dec 17, 2024 |
| Parker Medical Clinic | Rural health clinic | 5% Or Greater Direct Ownership Interest | May 27, 2010 |
| Centerville Medical Clinic | Rural health clinic | 5% Or Greater Direct Ownership Interest | May 27, 2010 |
Owned or controlled facilities with NPI records 5
Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.
-
- Medicare Defined Swing Bed Hospital Unit
- Viborg, SD
- NPI 1265467245
5% Or Greater Direct Ownership Interest
-
dba Pioneer Memorial Nursing Home
- Skilled Nursing Facility
- Viborg, SD
- NPI 1417067059
5% Or Greater Direct Ownership Interest, Adp of the SNF, Operational/Managerial Control
-
- Critical Access Hospital
- Viborg, SD
- NPI 1598713281
5% Or Greater Direct Ownership Interest
-
dba Parker Medical Clinic
- Rural Health Clinic/Center
- Parker, SD
- NPI 1619925450
5% Or Greater Direct Ownership Interest
-
dba Centerville Medical Clinic
- Rural Health Clinic/Center
- Centerville, SD
- NPI 1528017662
5% Or Greater Direct Ownership Interest
Facilities with the same owner 5
Facilities that share an organizational owner with 5% or greater ownership or operational control.
-
- Medicare Defined Swing Bed Hospital Unit
- Viborg, SD
- NPI 1265467245
Pioneer Memorial Hospital & Health Services
-
dba Pioneer Memorial Nursing Home
- Skilled Nursing Facility
- Viborg, SD
- NPI 1417067059
Pioneer Memorial Hospital & Health Services
-
- Critical Access Hospital
- Viborg, SD
- NPI 1598713281
Pioneer Memorial Hospital & Health Services
-
dba Parker Medical Clinic
- Rural Health Clinic/Center
- Parker, SD
- NPI 1619925450
Pioneer Memorial Hospital & Health Services
-
dba Centerville Medical Clinic
- Rural Health Clinic/Center
- Centerville, SD
- NPI 1528017662
Pioneer Memorial Hospital & Health Services
Practitioners & affiliated clinicians
Practitioners 21
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.
-
- Physician Assistant
- Sioux Falls, SD
- NPI 1497368153
-
- Family Medicine Physician
- Sioux Falls, SD
- NPI 1306892633
-
- Family Nurse Practitioner
- Viborg, SD
- NPI 1144954835
-
- Family Nurse Practitioner
- Sioux Falls, SD
- NPI 1053969030
-
- Family Medicine Physician
- Viborg, SD
- NPI 1275938680
-
- Family Nurse Practitioner
- Viborg, SD
- NPI 1003451881
-
- Family Nurse Practitioner
- Sioux Falls, SD
- NPI 1013403583
-
- Nurse Practitioner
- Sioux Falls, SD
- NPI 1093221871
-
- Family Nurse Practitioner
- Viborg, SD
- NPI 1326918616
-
- Family Nurse Practitioner
- Parker, SD
- NPI 1093591315
-
- Family Nurse Practitioner
- Viborg, SD
- NPI 1154681880
-
- Family Medicine Physician
- Viborg, SD
- NPI 1306131602
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147046400000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1771804800000",
"number": "1619926706",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 368",
"city": "VIBORG",
"state": "SD",
"postal_code": "570700368",
"telephone_number": "605-326-5201",
"fax_number": "605-326-5196"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "103 W PIONEER",
"city": "VIBORG",
"state": "SD",
"postal_code": "570700337",
"telephone_number": "605-326-5201",
"fax_number": "605-326-5196"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "PIONEER MEMORIAL HOSPITAL & HEALTH SERVICES",
"organizational_subpart": "NO",
"enumeration_date": "2006-05-08",
"last_updated": "2026-02-23",
"certification_date": "2026-02-23",
"status": "A",
"authorized_official_last_name": "GERDES",
"authorized_official_first_name": "ISAAC",
"authorized_official_title_or_position": "CHIEF EXECUTIVE OFFICER",
"authorized_official_telephone_number": "605-326-5161"
},
"taxonomies": [
{
"code": "261QR1300X",
"taxonomy_group": "",
"desc": "Clinic/Center, Rural Health",
"state": "SD",
"license": null,
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "5345000",
"state": "SD"
}
],
"endpoints": [],
"other_names": [
{
"organization_name": "Viborg Medical Clinic",
"code": "3",
"type": "Doing Business As"
},
{
"organization_name": "Viborg Medical Clinic",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Viborg, SD
- Pioneer Memorial Hospital & Health Services (Pioneer Inn Assisted Living)
- Pioneer Memorial Hospital & Health Services
- Pioneer Memorial Hospital & Health Services (Viborg Medical Clinic)
- Pioneer Memorial Hospital & Health Services (Pioneer Memorial Nursing Home)
- Pioneer Memorial Hospital & Health Services
- Pioneer Memorial Hospital & Health Services (Viborg Medical Clinic)
- Randall K Hahn DDS (Viborg Dental Clinic)
- Linda L. Richardson, NCC, LPC, CCH, DCC
- Michele R Rohde
- Sanford Medical Center (Lewis Family Drug #58)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.