Active NPI
Opal Michelle Shaffer, RN
- Nurse Practitioner
- Nampa, ID
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nurse Practitioner
- License
- 3071387
- Practice address
- 4424 E Flamingo Ave Ste 300
Nampa, ID 83687-9306 - Phone
- (208) 302-0200
- Fax
- (208) 302-0255
- NPI assigned
- May 13, 2025
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Registered Nurse | 163WE0003X | 67521 | ID | |
| Nurse Practitioner | 363L00000X | 3071387 | ID | Primary |
| Registered Nurse | 163W00000X | 201605546RN | OR |
Addresses
Primary practice location
4424 E Flamingo Ave Ste 300
Nampa, ID 83687-9306
Mailing address
PO Box 190930
Boise, ID 83719-0930
Phone (208) 367-5170
Other practice location 1
6051 W Emerald St
Boise, ID 83704-8969
Phone (208) 302-5150
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in ID
- 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
- Nurse Practitioner
- Education
- Other, 2025
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
PO Box
Suite 190930
Boise, ID 83719
PO Box
Suite 190930
Boise, ID 83719-0930
Hospital & facility affiliations
- Saint Alphonsus Medical Center - Nampa
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner, Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 201605546RN | OR | MD | Registered Nurse |
| 67521 | ID | MD | Emergency Registered Nurse |
| 3071387 | ID | MD | Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Saint Alphonsus Regional Medical Center Inc | Current | Accepting new patients | |
| Saint Alphonsus Regional Medical Center Inc | Current | Accepting new patients | |
| Saint Alphonsus Regional Medical Center Inc | Nurse Practitioner | Current | Accepting new patients |
Locations
6051 W Emerald St
Boise, ID 83704
Phone (208) 302-5100
3025 W Cherry Ln
Ste B
Meridian, ID 83642
Phone (208) 302-6400
4424 E Flamingo Ave
Ste 300
Nampa, ID 83687
Phone (208) 302-0200
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 and National Provider Directory roles.
-
- Psychologist
- Boise, ID
- NPI 1649357716
Nurse Practitioner
-
- Psychiatric Hospital Unit
- Boise, ID
- NPI 1770687857
-
- General Acute Care Hospital
- Boise, ID
- NPI 1992736649
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Nampa, ID
- NPI 1659371870
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1747094400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761091200000",
"number": "1497546303",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 190930",
"city": "BOISE",
"state": "ID",
"postal_code": "837190930",
"telephone_number": "208-367-5170",
"fax_number": "208-367-5180"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4424 E FLAMINGO AVE STE 300",
"city": "NAMPA",
"state": "ID",
"postal_code": "836879306",
"telephone_number": "208-302-0200",
"fax_number": "208-302-0255"
}
],
"practiceLocations": [
{
"address_1": "6051 W Emerald St",
"address_purpose": "LOCATION",
"city": "Boise",
"state": "ID",
"postal_code": "837048969",
"country_code": "US",
"telephone_number": "208-302-5150",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SHAFFER",
"first_name": "OPAL",
"middle_name": "MICHELLE",
"credential": "RN",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-05-13",
"last_updated": "2025-10-22",
"certification_date": "2025-10-22",
"status": "A"
},
"taxonomies": [
{
"code": "163WE0003X",
"taxonomy_group": "",
"desc": "Registered Nurse, Emergency",
"state": "ID",
"license": "67521",
"primary": false
},
{
"code": "363L00000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner",
"state": "ID",
"license": "3071387",
"primary": true
},
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "OR",
"license": "201605546RN",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Nampa, ID
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 22, 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.