Active NPI
Silas Wiefelspuett, MD
- Emergency Medicine Physician
- Republic, WA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- MD61182905
- Practice address
- 36 Klondike Rd
Republic, WA 99166-9701 - Phone
- (509) 775-3333
- NPI assigned
- Jul 3, 2019
- Last updated
- Sep 25, 2025
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | MD61182905 | WA | Primary |
| Family Medicine Physician | 207Q00000X | 1908-R77732 | AZ |
Addresses
Primary practice location
36 Klondike Rd
Republic, WA 99166-9701
Mailing address
2400 S Avenue a
Yuma, AZ 85364-7170
Phone (928) 336-1290
Other practice location 1
2400 S Avenue A
Yuma, AZ 85364-7170
Phone (928) 336-1290
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- Other, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
10 Ros Cir
Republic, WA 99166-5002
Phone (509) 775-3245
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 29.6 of 100
- Quality
- 32.46
- Improvement activities
- 0
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD61182905 | WA | MD | Emergency Medicine Physician |
| 1908-R77732 | AZ | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ferry County Public Hospital District No 1 | Current | Accepting new patients | |
| Ferry County Public Hospital District No 1 | Current | Accepting new patients | |
| Ferry County Public Hospital District No 1 | Current | Accepting new patients |
Locations
10 Ros Cir
Republic, WA 99166
Phone (509) 775-3153
36 Klondike Rd
Republic, WA 99166
Phone (509) 775-3153
Interoperability endpoints
- silas.wiefelspuett@ferrycohealth.com
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Ferry County Health
- Critical Access Hospital
- Republic, WA
- NPI 1508899816
-
dba Republic Medical Clinic
- Rural Health Clinic/Center
- Republic, WA
- NPI 1184776916
-
dba Curlew Medical Clinic
- Rural Health Clinic/Center
- Curlew, WA
- NPI 1205988219
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Ferry County Memorial Hospital
- Skilled Nursing Facility
- Republic, WA
- NPI 1508086141
Nursing home
-
dba Ferry County Health
- Critical Access Hospital
- Republic, WA
- NPI 1508899816
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1562112000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758758400000",
"number": "1821650391",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2400 S AVENUE A",
"city": "YUMA",
"state": "AZ",
"postal_code": "853647170",
"telephone_number": "928-336-1290"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "36 KLONDIKE RD",
"city": "REPUBLIC",
"state": "WA",
"postal_code": "991669701",
"telephone_number": "509-775-3333"
}
],
"practiceLocations": [
{
"address_1": "2400 S Avenue A",
"address_purpose": "LOCATION",
"city": "Yuma",
"state": "AZ",
"postal_code": "853647170",
"country_code": "US",
"telephone_number": "928-336-1290",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WIEFELSPUETT",
"first_name": "SILAS",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2019-07-03",
"last_updated": "2025-09-25",
"certification_date": "2025-09-25",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "WA",
"license": "MD61182905",
"primary": true
},
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "AZ",
"license": "1908-R77732",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Republic, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.