Individual provider Active NPI

Zachary Ronald Grunig, PA-C

  • Physician Assistant
  • Boise, ID
National Provider Identifier
1649625963
Registry record updated Nov 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA-2164 Issued in ID
Practice address
287 W Jefferson St
Boise, ID 83702-6045
Phone
(208) 322-1680
Fax
(208) 385-7708
NPI assigned
Apr 25, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA-2164 ID Primary

Addresses

Primary practice location

287 W Jefferson St
Boise, ID 83702-6045

Mailing address

190 E Bannock St
Boise, ID 83712-6241

Other practice location 1

1825 S Kimball Ave
Caldwell, ID 83605-4828
Phone (208) 455-3535

Other practice location 2

633 N 4th St
Boise, ID 83702-4510
Phone (208) 342-9800

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260115000749 ID Practitioner - Physician Assistant 0446642599 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
St Lukes Clinic-Treasure Valley LLCGroup PAC ID 4981878402, 1,155 clinicians

Practice addresses (Care Compare)

100 E Bannock St
Boise, ID 83712-6241
Phone (208) 381-2983

190 E Bannock St
Boise, ID 83712-6241
Phone (208) 381-9384

300 E Jefferson St
Boise, ID 83712-6221
Phone (208) 322-1680

3525 E Louise Dr
Meridian, ID 83642-6303

608 W Hays St
Boise, ID 83702-5511
Phone (208) 381-5970

610 W Hays St
Boise, ID 83702-5511
Phone (208) 381-5970

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
PA-1264IDMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Pain Center Inc CurrentSince Apr 9, 2023 Accepting new patients
St Lukes Clinic-Treasure Valley LLC CurrentSince Nov 11, 2025 Accepting new patients
St Lukes Clinic-Treasure Valley LLC CurrentSince Nov 11, 2025 Accepting new patients
St Lukes Regional Medical Center Past Accepting new patients

Locations

287 W Jefferson St
Boise, ID 83702
Phone (208) 343-7940

610 W Hays St
Boise, ID 83702
Phone (208) 345-3530

633 N 4th St
Boise, ID 83702
Phone (208) 342-9800

1055 N Curtis Rd
Boise, ID 83706
Phone (208) 367-2152

190 E Bannock St
Boise, ID 83712
Phone (208) 381-2378

1825 S Kimball Ave
Caldwell, ID 83605
Phone (208) 454-0567

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/13461/brand/1/csg/1/fhir/r4
  • Direct secure messaging: zgrunig1737388@direct.trinity-health.org

Organizations & group practices 4

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.

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1461542400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762819200000",
    "number": "1649625963",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "190 E BANNOCK ST",
            "city": "BOISE",
            "state": "ID",
            "postal_code": "837126241"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "287 W JEFFERSON ST",
            "city": "BOISE",
            "state": "ID",
            "postal_code": "837026045",
            "telephone_number": "208-322-1680",
            "fax_number": "208-385-7708"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1825 S Kimball Ave",
            "address_purpose": "LOCATION",
            "city": "Caldwell",
            "state": "ID",
            "postal_code": "836054828",
            "country_code": "US",
            "telephone_number": "208-455-3535",
            "fax_number": "208-455-5190",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "633 N 4th St",
            "address_purpose": "LOCATION",
            "city": "Boise",
            "state": "ID",
            "postal_code": "837024510",
            "country_code": "US",
            "telephone_number": "208-342-9800",
            "fax_number": "208-342-4223",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRUNIG",
        "first_name": "ZACHARY",
        "middle_name": "RONALD",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-04-25",
        "last_updated": "2025-11-11",
        "certification_date": "2025-11-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "ID",
            "license": "PA-2164",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boise, ID

Sources for this page

Verify at the official NPI Registry.