Active NPI
Sierra Bignell, PA-C
- Physician Assistant
- Great Falls, MT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 116223
- Practice address
- 609 10TH Ave S
Great Falls, MT 59405-4078 - Phone
- (406) 430-1040
- NPI assigned
- Sep 15, 2022
- Sex
- Female
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 116223 | MT | Primary |
Addresses
Primary practice location
609 10TH Ave S
Great Falls, MT 59405-4078
Mailing address
PO Box 222
Avon, MT 59713-0222
Phone (406) 980-0040
Other practice location 1
805 Sunset Blvd
Conrad, MT 59425-1717
Phone (406) 271-3211
Other practice location 2
809 Sunset Blvd
Conrad, MT 59425-1799
Phone (406) 271-3231
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | krmcmedicalrecords@krhdirect.org | Direct | Logan Health - Conrad |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MT
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3545 Harrison Ave
Butte, MT 59701-3547
Phone (406) 430-1034
403 W Main St
Belgrade, MT 59714-3847
Phone (406) 388-8708
609 10TH Ave S
Great Falls, MT 59405-4078
Phone (406) 430-1040
Hospital & facility affiliations
- Benefis Hospitals Inc
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Urgent Care Clinic/Center
- Belgrade, MT
- NPI 1073669461
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Great Falls, MT
- NPI 1881650737
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1663200000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789084800000",
"number": "1760104772",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 222",
"city": "AVON",
"state": "MT",
"postal_code": "597130222",
"telephone_number": "406-980-0040"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "609 10TH AVE S",
"city": "GREAT FALLS",
"state": "MT",
"postal_code": "594054078",
"telephone_number": "406-430-1040"
}
],
"practiceLocations": [
{
"address_1": "805 Sunset Blvd",
"address_purpose": "LOCATION",
"city": "Conrad",
"state": "MT",
"postal_code": "594251717",
"country_code": "US",
"telephone_number": "406-271-3211",
"fax_number": "406-271-3917",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "809 Sunset Blvd",
"address_purpose": "LOCATION",
"city": "Conrad",
"state": "MT",
"postal_code": "594251799",
"country_code": "US",
"telephone_number": "406-271-3231",
"fax_number": "406-271-3576",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BIGNELL",
"first_name": "SIERRA",
"credential": "PA-C",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2022-09-15",
"last_updated": "2026-09-11",
"certification_date": "2026-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "MT",
"license": "116223",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "krmcmedicalrecords@krhdirect.org",
"affiliation": "Y",
"affiliationName": "Logan Health - Conrad",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "805 Sunset Boulevard",
"city": "Conrad",
"state": "MT",
"country_code": "US",
"postal_code": "594250758",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Great Falls, MT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 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; 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.