Individual provider Active NPI

Karen R Garnaas, MD

  • Neurology Physician
  • Redding, CA
National Provider Identifier
1124046776
Registry record updated Mar 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
G156702 Issued in CA
Practice address
2420 Sonoma St
Redding, CA 96001-3033
Phone
(530) 999-2533
Fax
(530) 999-2532
NPI assigned
Jul 18, 2006
Last updated
Mar 31, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 31, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X 37357 MN
Neurology Physician 2084N0400X G156702 CA Primary

Addresses

Primary practice location

2420 Sonoma St
Redding, CA 96001-3033

Mailing address

2420 Sonoma St Ste B
Redding, CA 96001-3033
Phone (530) 999-2533

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SD, CA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20080811000257 SD Practitioner - Neurology 7012081946 Reassigns benefits to 1 organization
I20200116002453 CA Practitioner - Neurology 7012081946 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Other, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Redding RancheriaGroup PAC ID 7810969847, 32 clinicians
Catalyst Neuromedical Center PCGroup PAC ID 5193135432, 4 clinicians

Practice addresses (Care Compare)

1441 Liberty St
Redding, CA 96001-0811
Phone 53022427001740

2420 Sonoma St
Suite B
Redding, CA 96001-3033
Phone (530) 999-2407

3305 Placer St
Suite B
Redding, CA 96001-2378
Phone (530) 225-6805

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Skin biopsy14

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
7289SDMDPharmacist
G156702CAMDNeurology Physician
37357MNMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Avera McKennan CurrentSince Jun 13, 2016 Accepting new patients
Avera McKennan CurrentSince Jun 13, 2016 Accepting new patients
Shasta Regional Medical Group Inc CurrentSince Aug 23, 2022 Accepting new patients
Pacific Interventional Neurosciences CurrentSince Jul 1, 2023 Accepting new patients
Catalyst Neuromedical Center PC Neurology CurrentSince Jan 1, 2020 Accepting new patients
Shasta Regional Medical Group, Inc CurrentSince Aug 23, 2022 Accepting new patients
Orna Gil MD Inc Current Accepting new patients
Avera McKennan Current Accepting new patients
Frances Mahon Deaconess Hospital Past Accepting new patients

Locations

1801 W Olympic Blvd
#1640
Pasadena, CA 91199

1100 Butte St
Redding, CA 96001
Phone (530) 227-6361

1355 East St
Ste 200
Redding, CA 96001
Phone (530) 229-2940

2420 Sonoma St
Redding, CA 96001
Phone (530) 999-2533

2420 Sonoma St
Ste B
Redding, CA 96001
Phone (530) 246-4455

3305 Placer St
Ste B
Redding, CA 96001
Phone (530) 225-6805

1301 S Cliff Ave
Ste 506
Sioux Falls, SD 57105
Phone (605) 335-0844

1301 S Cliff Ave
Ste 610
Sioux Falls, SD 57105
Phone (605) 322-8860

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/22181/brand/1/csg/1/fhir/r4
  • FHIR API: https://fhir4.healow.com/fhir/r4/ABEFCA
  • FHIR API: https://fhir4.healow.com/fhir/r4/HJBFCD
  • Direct secure messaging: karen.garnaas@avera.sdhealthlink.net

Organizations & group practices 10

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 7

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": "1153180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743379200000",
    "number": "1124046776",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2420 SONOMA ST STE B",
            "city": "REDDING",
            "state": "CA",
            "postal_code": "960013033",
            "telephone_number": "530-999-2533",
            "fax_number": "530-999-2532"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2420 SONOMA ST",
            "city": "REDDING",
            "state": "CA",
            "postal_code": "960013033",
            "telephone_number": "530-999-2533",
            "fax_number": "530-999-2532"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GARNAAS",
        "first_name": "KAREN",
        "middle_name": "R",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-18",
        "last_updated": "2025-03-31",
        "certification_date": "2025-03-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MN",
            "license": "37357",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "CA",
            "license": "G156702",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Redding, CA

Sources for this page

Verify at the official NPI Registry.